If you are planning a home extension, loft conversion, garage conversion or internal alteration in the London Borough of Barnet, it can be useful to see examples of similar projects that have already received approval.
Below is a selection of Barnet approved projects completed by Detailed Planning. These include house extensions, loft conversions, garage conversions, lawful development certificates, planning applications and other home alteration projects across Barnet, Finchley, Whetstone, East Barnet, Edgware, Golders Green, Mill Hill and surrounding areas.
For wider advice, you may also find our pages on architects in Barnet, planning consultants in London, planning permission, permitted development and our architectural design services useful before starting your own project.
This Barnet project involved a loft conversion on Barfield Avenue, N20. The application was handled as a lawful development certificate, confirming that the proposed roof-space works complied with permitted development requirements. The scheme focused on creating additional habitable space within the roof while keeping the proposal within the relevant planning parameters.
This approved Barnet project involved a home extension on Norfolk Road, EN5. The application sought to increase usable living space and improve the relationship between the house and garden. The design was assessed through the planning application process, with consideration given to scale, massing, neighbouring amenity and the overall appearance of the property.
This Lyonsdown Road project involved a loft conversion with a rear dormer, alongside ground floor layout improvements. The design created a new bedroom within the roof space and improved the kitchen arrangement below. New rear doors helped improve the aspect towards the garden and brought more natural light into the home.
This approved project in Barnet involved an extension on Woodhouse Road. The application focused on improving the home through additional usable space and a better ground floor arrangement. As with many Barnet extension projects, the design needed to balance the client’s brief with planning considerations including scale, neighbour impact and external appearance.
This Barnet approval combined several improvements into one project: an extension, a loft conversion and a garage conversion. The scheme demonstrates how multiple parts of a home can be reviewed together to create a more coordinated proposal, improving usable space at ground floor level and within the existing roof structure.
This Wise Lane project in NW7 involved home alterations within the London Borough of Barnet. The approval shows how smaller or more targeted alterations can still benefit from a planning-led design approach. The project focused on practical improvements to the existing property while responding to the local planning context.
This Puller Road project secured a lawful development certificate for a loft conversion in Barnet. The approval confirmed that the proposed roof works fell within permitted development parameters. Projects like this are useful examples for homeowners considering how to convert unused roof space while reducing planning risk.
This approved Puller Road scheme combined an extension with a loft conversion. The project increased usable space at more than one level of the home, with the ground floor works improving day-to-day living space and the roof works creating additional accommodation above. The combined planning strategy helped present the changes coherently.
This Langford Crescent project in EN4 involved a loft conversion approved through the lawful development route. The focus was on creating new habitable roof space while demonstrating compliance with permitted development rules. Lawful development certificates can provide useful certainty before homeowners move forward to construction and building regulation drawings.
This separate Langford Crescent approval related to home alterations in Barnet. The scheme demonstrates how individual alterations can form part of a wider improvement strategy for an existing house. The project was assessed through planning, with the design needing to sit comfortably within the property and surrounding area.
This East Barnet approval related to alterations at the East Barnet Veterinary Surgery site in EN4. The project page records a planning approval for practical changes to the existing property. It is a useful example of Detailed Planning’s experience with non-standard residential or mixed-use property contexts within Barnet.
This Wentworth Road project secured a lawful development certificate for a loft conversion in Barnet. The application focused on roof-space conversion works designed to create additional habitable accommodation while remaining within permitted development limits. The approval gives the homeowner greater confidence before progressing to the technical and build stages.
This approved Salisbury Road project involved converting a garage into usable accommodation. Garage conversions can be a practical way to improve an existing home without a large rear extension. In this case, the Barnet planning approval confirmed the proposed changes were acceptable in planning terms.
This Myddelton Park project in N20 involved a home extension within Barnet. The approval shows how a well-considered extension can improve usable space while responding to planning issues such as scale, roof form, neighbour impact and appearance. The project forms part of Detailed Planning’s wider Barnet approval record.
This Laurel Way approval combined a home extension with a garage conversion. The project demonstrates how underused garage space can be integrated with new extension works to improve the overall layout of a property. The planning approval allowed the client to move forward with a more functional family home.
This Southway project in NW11 involved a loft conversion approved through the planning process. The proposal added usable roof accommodation within the Barnet area. It is a helpful example for homeowners where a loft conversion may require a planning application rather than relying purely on permitted development rights.
This North Close approval involved a home extension in EN5. The project added usable space to the existing house while going through the Barnet planning process. The application needed to present the extension clearly, showing how the design related to the existing property and neighbouring homes.
This Puller Road lawful development project involved roof-space conversion works in Barnet. The approval confirmed that the loft conversion could proceed under permitted development. It is another example of the type of evidence and coordinated drawings needed to give both the council and homeowner confidence before works begin.
This N2 approval involved internal alterations and changes to fenestration. While not every project is a large extension or loft conversion, alterations to windows, doors and internal layouts can still require careful consideration. This approval shows how more targeted design changes can be handled through the Barnet planning process.
This Barnet lawful development project involved a loft conversion with a rear dormer. The proposal focused on increasing usable roof space and creating additional accommodation while meeting permitted development requirements. Rear dormers are a common way to improve headroom and floor area in Barnet loft conversion projects.
This project secured a lawful development certificate for a dormer roof extension in Barnet. The proposal involved roof alterations designed to improve usable space within the property. The lawful development route confirmed that the works complied with the relevant permitted development parameters before the homeowner moved forward.
This Hadley Highstone project involved a home extension in EN5. The approval demonstrates the importance of preparing a clear planning package that explains the proposed scale, layout and relationship to neighbouring properties. The project adds to Detailed Planning’s experience with extension approvals across the Barnet borough.
This Woodville Road project combined an extension and a loft conversion under a lawful development approval. The proposal shows how homeowners can sometimes secure certainty for multiple improvements through the lawful development route, provided the works meet the relevant permitted development criteria and are supported by accurate drawings.
This Barnet planning approval involved a combined extension and garage conversion. The scheme improved the existing property by creating additional usable accommodation and making better use of underused garage space. Combining these elements can help create a more efficient layout and a stronger overall design proposal.
This approved Barnet project involved a home extension. Although the archive title is broad, the project page records a planning approval for extension works within the borough. It is included here as part of the complete Barnet approved-project record linked from the Barnet archive page.
This N3 project brought together several improvements: an extension, loft conversion, garage conversion and porch. The approval shows how a coordinated whole-house proposal can address multiple parts of a property at once, improving arrival, ground floor space, garage use and roof accommodation through a single planning-led design strategy.
This N3 lawful development project involved a loft conversion in Barnet. The approval confirmed that the proposed roof-space works met the relevant permitted development requirements. It is useful for homeowners considering whether a lawful development certificate may be a suitable route before carrying out a loft conversion.
This Bulwer Road project involved a home extension in EN5. The planning approval demonstrates how an extension can be designed and presented to improve the usability of a property while responding to Barnet’s planning considerations. The project contributes to a strong group of approved extension examples in the borough.
This Fursby Avenue approval involved a home extension in the N3 area of Barnet. The project page records a successful planning outcome for extension works, showing how a clear application package can help support proposals that increase usable living space while respecting the character and neighbouring context.
This approved project involved a kitchen extension in Hampstead Garden Suburb, within the Barnet area. Kitchen extensions are often used to improve everyday living space, natural light and the connection to the garden. In sensitive areas, the planning strategy must be especially careful about design quality and local character.
This Brookside project secured lawful development approval for an extension in EN4. The certificate confirmed that the proposal met the relevant permitted development criteria. For homeowners, this route can provide useful certainty that the works are lawful before moving into technical drawings and construction planning.
This Chandos Road project involved a loft conversion in N2, approved through the lawful development route. The proposal focused on converting the roof space into usable accommodation while demonstrating compliance with permitted development rules. The approval gives a clear example of Barnet loft conversion certification.
This separate Chandos Road project involved home alterations requiring planning approval. It shows that, alongside loft conversions and extensions, individual property alterations can also need a clear planning approach. The approval forms part of Detailed Planning’s wider record of Barnet projects across different types and scales of work.
This Barnet project involved a lawful development approval for de-conversion works. The archive does not present the project as a standard extension or loft conversion, but it is included as a Barnet approved project. It may be relevant to owners considering changes to how an existing property is arranged or occupied.
This Ashurst Road project involved an extension in N12 within Barnet. The planning approval reflects a proposal to improve the existing property through additional space. As with other Barnet extension projects, the application needed to demonstrate an acceptable relationship with the existing house, neighbouring properties and the wider streetscene.
This Barnet approval involved both home alteration and extension works. The project combined changes to the existing property with additional built form, creating a more comprehensive improvement. It is a useful example for homeowners whose brief involves both internal changes and external extension works.
This Lincoln Road approval involved a home extension in N2. The project added usable space to the existing property and was considered through the Barnet planning process. It demonstrates the importance of a proportionate design approach that supports the homeowner’s brief while responding to local planning requirements.
This Barnet project involved an L-shaped rear dormer loft conversion. L-shaped dormers can be useful on suitable properties where the rear roof and outrigger arrangement allow more efficient roof-space accommodation. The approval demonstrates a common loft conversion approach for creating additional bedrooms, bathrooms or flexible living space.
This Puller Road approval involved an extension in EN5. The project added to the existing house and was assessed through the Barnet planning process. It is one of several Puller Road examples, showing Detailed Planning’s repeated experience with extension and loft conversion projects on similar streets within the borough.
This linked Puller Road project relates to a loft conversion approved through lawful development. The certificate confirmed that the roof-space works could proceed within permitted development rules. It sits alongside other Puller Road projects, demonstrating different approval routes for improving homes in the same Barnet location.
This Sunbury Avenue approval involved both an extension and a loft conversion. The project sought to increase usable ground floor space and create habitable accommodation within the roof. The combined planning application allowed the council to consider the overall relationship between the extension, roof works and existing property.
This Crescent Road project secured lawful development approval for a loft conversion in EN4. The proposal focused on converting the roof space while complying with permitted development rules. It is a useful Barnet example for homeowners wanting additional accommodation without necessarily needing a full householder planning application.
This Manor View project involved a loft conversion approved by lawful development certificate. The scheme created a clear route for the homeowner to improve roof-space accommodation while demonstrating compliance with permitted development requirements. It is one of two linked Manor View approvals on the Barnet project archive.
This second Manor View project involved a home extension approved through planning. Together with the separate loft conversion approval, it shows how different parts of a property improvement can sometimes be handled through different consent routes, depending on the nature of the works and relevant planning requirements.
This Byng Road project secured lawful development approval for an extension in EN5. The certificate confirmed that the proposed works met the relevant permitted development criteria. This can be a valuable route for straightforward householder extensions where the design complies with dimensional and siting restrictions.
This Lucan Road project combined extension and loft conversion works within a lawful development approval. The proposal demonstrates how multiple domestic improvements can sometimes be confirmed as lawful where they meet permitted development rules. It provides another useful Barnet example for homeowners considering a combined improvement strategy.
This Lyonsdown Road project involved a garage conversion approved through the lawful development route. The project focused on turning existing garage space into more useful accommodation. For many homeowners, garage conversions can offer a practical way to improve floor area without the same scale of external works as a new extension.
This Crescent Road project involved a home extension approved through the Barnet planning process. The scheme forms part of the borough’s wider approved project record and demonstrates how extension proposals can be successfully progressed with coordinated drawings, a clear design approach and planning-aware presentation.
This Michleham Down approval involved an extension in N12. The project was designed to improve the existing home and increase usable space. It is a useful example of Detailed Planning’s work across North Finchley and surrounding Barnet neighbourhoods, where extension design must respond to both client needs and local planning context.
This Jackson Road project involved a home extension approved through planning. The approval shows how existing properties in Barnet can be improved through carefully prepared extension proposals. It also sits alongside a separate Jackson Road loft conversion approval, showing how the same street can include different project types.
This Jackson Road project secured lawful development approval for a loft conversion. The proposal focused on creating additional habitable space within the roof while meeting permitted development requirements. It is a helpful companion example to the separate Jackson Road extension approval also listed on the Barnet archive.
This Bedford Road project involved an extension approved through the planning process. The proposal increased usable space within an existing Barnet property and required a clear application package. Bedford Road also appears in the archive for separate alteration and loft conversion approvals, showing a variety of project types in the area.
This Bedford Road approval related to home alteration works confirmed through lawful development. The project shows that not every approval is a traditional extension or dormer; some involve targeted changes to the existing property. A lawful development certificate can help confirm whether these works are lawful before construction begins.
This Lullington Garth project involved a loft conversion in N12 approved through lawful development. The certificate confirmed that the roof-space works complied with permitted development requirements. It is another Barnet example of using the lawful development route to create additional accommodation within the existing roof.
This Barnet planning approval involved a garden outbuilding. Outbuildings can be useful for home offices, storage, gyms or ancillary garden uses, but they still need to be assessed carefully against planning rules. This approval adds variety to the Barnet project list beyond extensions and loft conversions.
This Bedford Road project secured lawful development approval for a loft conversion. The proposal created a route to improve accommodation within the roof space while demonstrating compliance with permitted development rules. It sits alongside other Bedford Road approvals, showing multiple ways homes in the area can be improved.
This Norfolk Road project involved home alterations approved through the lawful development route. It is separate from the Norfolk Road planning approval for an extension also listed above. Together, the two projects show how different elements of a property improvement may require different planning routes.
This Clifford Road project involved a loft conversion approved by lawful development certificate. The application confirmed that the proposed roof-space works were lawful under permitted development rules. It provides another example for Barnet homeowners considering a loft conversion as a way to create additional bedroom or living space.
This Brunswick Crescent project involved an extension in N11 within the Barnet area. The approval demonstrates how a planning-led extension proposal can unlock additional living space while addressing issues such as scale, relationship to adjoining properties and the appearance of the completed works.
This Colin Park Road project combined a loft conversion with a porch, approved through lawful development. The proposal improved both the roof accommodation and entrance arrangement. It shows how smaller front-of-house changes can be coordinated with roof conversion works when the scheme meets the relevant lawful development criteria.
This Jackson Road project secured a lawful development certificate for a hip-to-gable loft conversion with a rear dormer. The approved works replaced the hipped roof with a gable, added a rear dormer and created additional internal accommodation, including a bedroom and en-suite within the new loft level.
This Bedford Road project involved a side extension to a ground floor flat. Extensions to flats can be more complex than standard householder extensions because the application context, ownership arrangement and amenity considerations may differ. This approval is a useful example of Detailed Planning’s work on smaller residential units.
This Bedford Road loft conversion involved a dormer and hip-to-gable roof extension. The project shows how changing the roof form can help increase headroom and usable floor area. Hip-to-gable and dormer combinations are common on suitable properties where the existing roof shape restricts loft usability.
This Salisbury Road approval involved rear and side extension works. The proposal improved the ground floor arrangement and added usable space to the existing home. Rear and side extensions often need careful planning consideration, particularly where they affect boundaries, daylight, outlook and the relationship with adjoining properties.
This approved project records a home extension in Barnet under project reference 1535JK. Although the archive title gives limited location detail, it confirms a successful extension approval within the borough. It is included here to keep the Barnet approved project list complete and linked to the original project page.
This older Barnet approved-project page records a successful planning approval in the borough. The page title is general rather than street-specific, so the summary is kept broad. It remains useful as part of the complete archive of Barnet approvals and shows the depth of historic planning work in the borough.
This older project page records an approved extension in Barnet. While the archive title does not provide a street name, it confirms a successful home extension approval in the borough. It can be retained in the blog as a linked example, but the description should remain general to avoid adding unsupported detail.
This Barnet project involved a roof extension and loft conversion. The approval demonstrates the common relationship between roof alterations and new loft accommodation. For many homeowners, this type of project can create valuable additional bedroom or living space without extending the property footprint at ground floor level.
This approved project involved a loft conversion with a dormer extension in Barnet. Dormers are often used to improve headroom, floor area and natural light within the roof space. The project is a useful linked example for homeowners considering whether a dormer could make their loft conversion more practical.
This Barnet approval involved a loft conversion and dormer. The project adds to the archive of approved roof-space improvements in the borough. It is relevant for homeowners researching loft conversion precedents, especially where a dormer is needed to make the proposed accommodation more usable.
This project involved an approved loft conversion in Edgware, within the Barnet area. Edgware properties often offer opportunities for roof-space conversion, subject to the property type and planning constraints. The project is included as a useful local example for homeowners considering similar loft works.
This approved project records a loft conversion in Barnet. Although the archive title is broad, the project remains a useful example of Detailed Planning’s loft conversion work in the borough. It supports the wider message that roof-space conversions are a recurring project type across Barnet homes.
This Barnet approval involved a large dormer roof extension. Larger dormers can unlock a more practical loft layout, but they need careful design to manage scale, appearance and compliance with planning or permitted development rules. This project is a useful precedent for substantial roof-space improvement.
This project involved an L-shaped dormer roof extension in Barnet. L-shaped dormers can be particularly helpful on suitable period properties with rear outriggers, allowing a more efficient loft layout. The approval demonstrates another common Barnet loft conversion approach for maximising usable roof-space accommodation.
This Barnet approval involved a single storey rear extension. Rear extensions are one of the most common ways to improve kitchen, dining and family space, especially where the existing ground floor feels disconnected from the garden. The project provides a simple linked example of this project type.
This approved project involved a roof extension in Barnet. Roof extensions can be used to support loft conversions, improve headroom or alter the existing roof form. The project is included as part of the complete Barnet approved-project archive and links to a relevant older roof extension example.
These projects show that Barnet approvals are not limited to one type of home improvement. The linked examples include rear extensions, side extensions, wraparound-style improvements, loft conversions, rear dormers, hip-to-gable roof extensions, garage conversions, porches, internal alterations, fenestration changes and outbuildings.
They also show that the correct route is not always the same. Some projects were handled through a full planning application, while others were approved through a lawful development certificate. The right route depends on the property, the proposed works, the planning history, permitted development rights and any local constraints.
If you are unsure whether your project needs planning permission or could be handled through permitted development, it is usually worth reviewing this early before preparing drawings. Our Barnet architects can help you assess the likely route, develop the design and prepare a clear application package.
Detailed Planning provides architectural design services for homeowners and property owners across Barnet and North London. We can help with initial feasibility, measured surveys, existing and proposed drawings, planning applications, lawful development certificates and technical drawings for building regulations.
Whether you are considering a house extension, loft conversion, garage conversion or a more complex home alteration, our planning-led approach is designed to help you understand the risks before committing to the next stage.
Contact Detailed Planning to discuss your Barnet project or view more approved projects from across London.