Home Extensions

If you’re considering extending your home instead of moving you’ve probably made the right choice. Why go through the cost and upheaval of moving when you can extend and increase the value of your current home? We’re experienced in providing a complete architectural service for homeowners planning a house extension. Our team will work closely with you, delivering an expert and intuitive approach. Operating in London and the South East, we’ve helped hundreds of clients extend their home to its full potential.

Combining Experience and the Latest Software

  • Affordable Prices
  • Fixed Fees
  • Quick Turnaround
  • Honest Advice From Your Dedicated Designer
  • Identifying Constraints & Design Opportunities

Creative & Passionate About Our Work

  • Detailed Drawings
  • Free Revision With Each Project
  • Optional 3D Computer Drawings
  • Expert Planning Advice
  • Large Portfolio of Successful Projects
  • Hundreds of House Extensions Completed

We’ll meet face-to-face at your property and take time to understand your requirements and consider the problems to overcome. We’ll carry out a detailed and careful site measure to ensure accuracy and a smoother process throughout the design phase.

Good feasibly design is at the heart of our philosophy, we encourage quality house extensions while respecting the budget. Our architectural drawings will be easy to understand and give you the best chance of a successful planning application.

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Extension FAQ

Detailed Planning strive to provide the most cost-effective, efficient and high quality architectural planning services in London and throughout the surrounding areas.

We have years of experience in undertaking residential and commercial architectural design and planning projects. Get started today with a free consultation to figure out exactly how we can help.

Residential and commercial architectural design, residential planning, building regulations, planning permission, feasibility studies, party wall drawings, structural calculations and much more.

Our promise to each and every client is high quality. From the initial free consultation right the way through to project completion, we want you to be able to happily recommend us to friends and family.

Our fees are flexible and depend entirely on the project or requirements in hand. To get a better understanding of how much we charge please book in for a free consultation to work through your project.

House Extension Projects

Our team have helped hundreds of home owners with gaining planning permission, complying with building regulations and then assisting with the project every step of the way.

Residential Architectural Design

Have you got your plans drawn up yet? If you haven’t then call us today to talk to a dedicated designer about your requirements and specifications.

Residential Planning

We can provide in depth and detailed planning services for all residential planning requirements. Our team have helped hundreds of home owners get successful planning permission.

Why Choose Us?

  • Affordable Prices
  • Fixed Fees
  • Quick Turnaround
  • Honest Advice From Your Dedicated Designer
  • Identifying Constraints & Design Opportunities

What Our Clients Say?

“Over all my experience with Detailed planning was a pleasure, very professional and patient. Took the time to explain the steps needed to apply for planning and the correct way to do it, I would fully recommend their services.”

Lyle, Customer In London
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We provide free quotes and consultation for all projects

And feel free to pop into one of our offices closest to you. We are more than happy to help!
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