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Free Advice Hotline: +44203 868 9453

(From 9am to 6pm)


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Do you need planning permission?

Planning permission is the process by which your local authority approves or refuses your building project. You provide drawings of your proposed plans and your council makes a decision based on your property’s history, area planning policy and any local restrictions.

If you’re only making minor alterations to your home, it’s possible that you will already be covered by a type of general planning permission called permitted development rights.


What Resi does...

Everything you need to build your happy space

Home design

Home design

Our skilled designers work with you to produce architectural drawings of your future home.
Planning applications

Planning applications

We’ll package up your designs and act as your planning agent to get approval from your local authority.
Building regulations

Building regulations

Before you get constructing, we’ll produce technical drawings so your home is safe and legal going forward.
Supplier connect

Supplier connect

We introduce you to the best professionals in your area, meaning you’re in safe hands for the rest of your project.

Can I use permitted development rights?

Permitted development rights mean you may be able to extend or renovate without the need for a full planning application.

Where in the UK do you live?

Tools & Calculators



Use our free valuation calculator to estimate the value an extension could add to your property.

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Simply enter your project details, tell us what you need and we offer a free consultation to help get you started

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Get a free construction cost estimate to get an idea of how much your project could cost to complete.

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Book a Free Architectural Advice Call

We offer free 30 minute consultations to help you with your project.

Select a date to view availability

Frequently Asked Questions

Why would I use Resi?

What does Resi offer?

Why don't I just use a local architect?

Can I trust you? Are you qualified?

What information do I need to provide for you to start work on my extension?

Can Resi produce a variety of options for my extension?

Phone: +44203 868 9453 | Email: advice@resi.co.uk

Resi Design Ltd. trading as 'Resi' | Company No: 10471125

We are proud to employ architects registered with the Architects Registration Board and were awarded the mark for The Mayor's Good Work Standard for fair pay & conditions, wellbeing, skills, progression, diversity and recruitment.

Resi Finance Ltd is an appointed representative of Mortgage Advice Bureau Limited and Mortgage Advice Bureau (Derby) Limited who are authorised and regulated by the Financial Conduct Authority. Resi Finance Ltd. Registered Office: Kemp House, 160 City Road, London, United Kingdom, EC1V 2NX. Registered in England Number: 12327535