Change of Use Planning Application



We provide a full range of services for Commercial Planning Applications and Developments



  • Commercial property planning permission
  • Commercial property change of use to residential
  • Change of use residential to commercial
  • Planning permission change of use residential to commercial
  • 3D Visualisations (Immersive Design)
  • Interior Design
  • Spatial Planning and Layout
  • Feasibility Consultancy

Whether you want to extend your current premises into a building next door in Lambeth, separate a single house into several offices in Newham or convert a disused space into a new business venture in Hammersmith and Fulham, our specialist Change of Use architects have extensive experience working with property owners throughout London; from Hillingdon to Bexley, Enfield to Croydon and everything in between. We will work with you to fulfil your requirements, within your budget, and ensure your business has the space it needs to grow. Our architects are experts in applying for Change of Use, getting planning permission in London and navigating through building regulations, so they will make the process smooth and efficient for you, so that you can get up and running or back to business as quickly as possible. By using the 3D graphic visualisations we generate, you can be confident the finished product will be exactly what you want, so why not take a look at our case studies below for more information of what we can do together, or get in touch with us for further information?




Apply for change of use commercial property

Change of use A1 to A3 Butcher and Restaurant in Kingston

Our client came for help with planning for their change of use application, which was to switch from a simple, un-designed butcher’s shop (retail class) to a mixed use of retail and restaurant units.

The Pheasantry Cafe in Richmond upon Thames

The Pheasantry cafe in Richmond Welcome Centre located in the heart of Bushy Park (one of the Royal Parks) as part of the 7.2 million pound project to restore the formal gardens and buildings of the park.

Change of Use from A1 to D2 & D1 in Sutton – Martial Arts Centre

The scheme included a change of a use of an existing building in Sutton. The project required a planning permission, as the existing and proposed uses fall within a different class, from A1 (a shop) to D2 (Martial Arts Studio) and D1 (Clinic).

Change of Use Case D1 to A3 – Jingogae Restaurant

The client requested for a change of use planning application to extend an existing restaurant to the next door shop which had previously been a clinic. We designed, submitted drawings and got permission from Kingston Council.

Soban Café : Planning application for Cafe

We are experienced in creatively collating ideas and translating your brief(s) into actualisations with our Architectural and Interior Design experience.

Fiorelli London – Hammersmith Interior

We were approached be global handbag manufacturer Fiorelli to design and build their Fiorelli London Handbag showroom in Hammersmith, London.


Change of Use Case Studies

Extension Architecture are experienced in creatively collating ideas and translating your brief(s) into actualisations with our Architectural and Interior Design experience. Through mood boards and 3D realistic renders we are able to provide the client with suggestions and visualisations of the potential space. This can help with planning projects, especially if a challenging proposal to help illustrate to the planners the proposed idea; or for large scale developments and refurbishments to show the client the new proposal and how it would look and fit in situ with surrounding properties and the existing building. We liaise with the client in order to be able to achieve an interior finish of high quality and befitting to the needs and budget. Take a look at our full list of case studies we have completed here.



Single Storey Extension

PricingCase Study

Double Storey Extension

PricingCase Study

Convert to Flat

PricingCase Study

Loft Conversion

PricingCase Study

Basement Extension

PricingCase Study

3D Visualisation

PricingCase Study


New Builds

PricingCase Study

Change of Use

PricingCase Study

Steph Fanizza, Architectural Design & Team Manager

Tell us about your plan and we'll send you a free quote! It takes less than 60 seconds!

Step 1 of 8

Book a free video meeting