Garage Conversions.

Extension Plans are your local London Architects offering a fast, affordable, one-stop solution for all your planning permission and building regulation needs.

Garage Conversions

Make the most of your home by turning your garage into a practical, liveable space. Whether it’s a cosy retreat, a home office, or a handy guest room, a garage conversion gives you that extra space—without the construction requirements of a full extension.

One of the best parts? Garage conversions are often straightforward and don’t usually need planning permission, making the whole process quicker and easier. At Extension Plans, we’re experts in transforming overlooked spaces into rooms that actually work for your day-to-day life.

Your dream home journey begins here !

Why We're Your Ideal Partner

ARB Architects

Talented architects with proven track records drive our projects.

Cost-Effective

Save money with our Budget friendly services, delivering exceptional results

All Inclusive

Don't worry about outsourcing any aspect of your project with our comprehensive service

Quick Turnaround

Progress to the construction stage with minimum delay with our streamlined service.

Book A Free Consultation With One Of Our Experts

Here To Help With All Your Residential Improvement Requirements

Our Services

We pride ourselves on delivering an all-inclusive architectural service to our clients, with a vast amount of experience, with rear extensions, loft conversions, and outbuildings. By working with us, you eliminate the need to outsource various components of your project, streamlining the entire architectural process under one roof.

Site Survey

Our dedicated surveyor will visit your property to gather all of the necessary measurements and essential site information.

Architectural Drawings

Upon appointing our services, you'll be paired with the most suitable member of our design team, ensuring a tailored approach to your project.

Planning Submission

We take the hassle out of the approval process by handling the submission of all planning applications to the local council.

Building Regulation Drawings

Our designers create detailed building regulation drawings with precision, ensuring full compliance with standards and reducing potential construction issues

Building Control Submission

Our team is committed to providing a hassle-free experience, and that includes submitting the building control application on your behalf. Trust us to handle the paperwork and navigate through the process

Structural Engineering Service

We partner with expert engineers to provide precise structural calculations, ensuring the safety and stability of your construction.

Finding a Builder

Once the paperwork is complete, we arrange build quotes from vetted, quality-checked builders, ensuring your project is in skilled hands for a smooth construction process.

3D Visuals

Enhance your design experience with realistic 3D drawings from our dedicated team, offering a detailed preview of your finished space.

Party Wall Notices

We collaborate with a party wall surveyor who handles the serving of party wall notices on your behalf, ensuring the process is managed as efficiently as possible.

What Our Customers Say

We have over 600, five star reviews across our online platforms. Check out our Trustpilot reviews here

      EXCELLENT  
   Based on 40 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Ck Hui 
 11/07/2024
 
 
 Trustindex verifies that the original source of the review is Google. Competitive pricing. Swift response. My plans have just been approved. I am happy with this company.
  
 
      Posted on Google  
   
   Labina Rahman 
 30/05/2024
 
 
 Trustindex verifies that the original source of the review is Google. It has been a pleasure working with Mackenzie Petcher and Kamila (Architectual Designer) at Extension Plans UK.  They are a rear mix of professionalism, responsiveness, great value for money and skill.  We would not hesitate to recommend them.
  
 
      Posted on Google  
   
   Jas Melling 
 15/05/2024
 
 
 Trustindex verifies that the original source of the review is Google. Great service from Extension Plans UK. Plans were drawn up swiftly and the whole process was much quicker than we expected, and at a reasonable price. We dealt with Joshua, Mackenzie and Philip who were all great and very responsive.
  
 
      Posted on Google  
   
   nadia Hajian 
 02/05/2024
 
 
 Trustindex verifies that the original source of the review is Google. Thanks for your service. Very impressive service . Rebecca is very professional and consistently available to help. Joshua patiently change the drawings till we achieved what we liked. Phil the initial contact gave a clear quotations.
  
 
      Posted on Google  
   
   Dyll Davies 
 29/04/2024
 
 
 Trustindex verifies that the original source of the review is Google. Absolutely superb service from start to finish.  The service is end to end and you are dealing with people who 1.  know what they are talkin g about and 2. seem genuinely keen to make sure you get what you want.  I cannot recommend them enough to anyone planning a building project.  Top notch - and I am a fussy beggar!
  
 
      Posted on Google  
   
   Sunaina Singh 
 25/04/2024
 
 
 Trustindex verifies that the original source of the review is Google. Good experience. Value for money especially on simple projects.
  
 
      Posted on Google  
   
   Alex Lambe 
 15/04/2024
 
 
 Trustindex verifies that the original source of the review is Google. Extension Plans Uk were great from start to finish, quick to respond and quick to produce drawings. Mackenzie, Kamila and Natalia were all brilliant. Alex, Kempston.
  
 
      Posted on Google  
   
   Francis Walker 
 11/04/2024
 
 
 Trustindex verifies that the original source of the review is Google. I highly recommend Extension Plans UK, amazing value for money! We have been delighted with the service and professionalism from Philip and his team, who listened to our ideas and helped us see them through to completion.
  
 
      Posted on Google  
   
   RajOsteo 
 25/01/2024
 
 
 Trustindex verifies that the original source of the review is Google. Really helpful when I had issues with my original architect. Rebecca was friendly and thorough, and also chased up loose ends to make the process as smooth as possible. Would happily recommend!
  
 
      Posted on Google  
   
   Richard Newlove 
 09/05/2023
 
 
 Trustindex verifies that the original source of the review is Google. A* - Excellent.

Unlock the potential of your property

Schedule a free consultation! We would love to offer free advice, discuss your design ideas or get things moving with your project

FAQs

How does the design process work?

Our design process begins with an initial consultation with your dedicated designer. We will discuss your vision, requirements and we will provide ideas for your design based on previously completed projects. From there, we move through conceptual design providing a first draft plan for your consideration. Following this we can revise the plans in any way you like to ensure you a completely happy with the design.