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Planning Permission

We’re with you all the way

We act as your agent through the entire process !

Extension Plans is your expert planning permission partner.

Our team excels in navigating planning guidelines, ensuring your dream home becomes a reality. We handle all applications for you, free of charge, managing the entire process until completion.

Our dedicated professionals align your vision with regulatory requirements, leaving you free to focus on the excitement of your upcoming project. Trust us to transform your aspirations into reality while expertly navigating the intricacies of planning permission.

Our Planning Preparation Process


Our in-depth knowledge of planning guidelines is honed through the completion of dozens applications each week.

Your dedicated designer will meticulously asses the local council guidelines and create your proposal in line with planning regulations to ensure approval is received as quickly as possible.

Design Consultation

Drawing from our vast experience of thousands of completed projects, we bring a wealth of design ideas to your project.

Our diverse portfolio ensures creative collaboration with each proposal. Your vision guides the creation of your proposal, tailored to comply with local council planning guidelines.

Application Submission

Understanding the complexities involved, we take care to thoroughly prepare and submit your application. Our dedicated team, ensures an efficient and stress-free process.

You can trust us to handle the details, making your experience smooth and hassle-free.


Our administration team initiates communication with the planning officer, facilitating discussions on your application and design.

Negotiating on your behalf, we strive to ensure a prompt and favourable planning approval with all of our applications !

95 % of our plans receive planning approval !

Your project timeline!

  • Appliation Submitted

    Our planning application is submitted via the planning portal to the local council.

  • Council Receives Application

    The council receives the application and assesses the documentation provided. The council will either request additional documentation to support our planning application or validate the application with the documents received to date.

  • Council Validates The Application Week 0 – 3

    Once the council has received the necessary drawings and supporting documentation, the application is registered as valid on their website. The council will send an acknowledgement letter or email to confirm.

    This acknowledgement is available to view on their website The council will also inform the neighbouring properties of the application in the form of a letter or a site notice that is posted in the area.

  • The Consultation Period Week 3 – 6

    Your application and all its supporting documents will appear on the planning register section of the council’s website.

    The neighbouring properties and affected parties have 21 days to log any comments they may have on the about the application.

  • Site Visit Week 5 – 6

    Depending on how large and complex your proposal is, the LPA might send an officer to have a look at your site. Alternately, they will ask for photos.

  • Application Assessed Week 6 -8

    The planning officer assigned to your application will now assess the proposal.
    At this stage we will reach out to the planning officer to ask if any revisions are required for the design to give the application a better chance to receiving approval.

    The planning officer is often willing to discuss small revisions that might be required however they are not under any obligation to discuss the application.

  • Planning Approval !

    The planning officer makes a recommendation to either approve of refuse the application. The recommendation is then passed to the manager of the planning department to either agree or overrule the recommendation and the decision is issued.

Let’s get started!

We offer a free 30 minute consultation call with one of our design consultants. We’d love to discuss your project and unlock the potential of your home !

Our clients say it best

Here’s what some of our customers say:

Highly recommend! Great service from start to finish. Had Extension Plans UK interior design department draw up some plans for my dated living room and bedroom and made a massive difference!
Ella was polite and professional throughout, quick with replying to emails and very helpful. Can’t recommend them enough!

Interior design service

I can’t rate Extension Plans highly enough. They definitely exceeded my expectations. Initially I was unsure to use their service as their approach is so different to a traditional architect. But Philip explained EPs approach so easily and provided me with the comfort I needed to select them for my extension project. I was also amazed how quickly the team responded to emails. And even when things are unclear it’s simple to call them and they take the time to explain. Even when the Council asked for iterations to the drawings the turnaround was so quick by the team. Can’t thank Philip, Rebecca, Francesca, Joshua, Cameron and the rest of the EP team enough for all their support over the recent weeks and allowing us to build our dream extension.

Double storey side extension

I am delighted and pleased with the service provided by Extension Plans UK Limited. I contacted the company because I needed to relocate my Kitchen. I also wanted to build an outbuilding garden family shed. The Architectural team kept me informed throughout the whole process. The company’s Architectural team were always available to answer any question, reply to emails, and assisted me with Architectural drawings, drawings Alterations, and Council Application drawings, Party Wall Notices. Philip Jennings and Kate Haughton were very helpful and patient enough to guide me throughout the various processes. I would highly recommend Extension Plans UK Limited

Rear extension and Outbuilding

We used Extension Plans for the renovation of our three bed terraced house, which included a ground floor rear extension and loft. I had originally planned to go with a much more expensive architect but opted for Extension Plans to keep costs down. I’m glad I did because they did exactly what we needed them to. Created the plans, building regs drawings, structural calculations, party wall notices all on time, handled the relevant applications and calculatio I on time, ho dled the relevant answered all my questions. Also introduced us to a bunch of builders via a couple of tender platforms. No surprises and very straightforward. Thanks to Kamila, Mackenzie, and Cameron.

Renovation, rear extension and loft conversion

Extension Plans UK are competitively priced and their staff are really knowledgeable and helpful. Although they offer a fixed price service, Mackenzie, the administrator for our project, and the architects Kamila and Berkay, spent a lot of time with us. Kamila and Berkay listened to our ideas and talked through the details of the design and the construction. They took everything we had said into account and designed a scheme that gave us everything that we wanted. All the staff at Extension Plans UK were easy to contact and very helpful so we felt well supported through the whole process.

First floor addition

What a fantastic service I have just received from the whole team at Extension plans UK. I needed extension plans drawn up as my husband is disabled and we required a large downstairs bathroom and a re-jig to our kitchen. On first call to Phillip, he explained the best way forward and gave us the heads up on what’s next. Mackenzie then made regular contact keeping us updated with all the procedures needed. Even taking us though permitted development. Natalia drew up the plans, tweaking them to suit our personal needs. Extra wide doors ect, to a high standard. All the staff were very attentive, polite and delivered what we asked for and more. We could not have asked for a better service.

Loft conversion and side extension

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