Planning Applications and Permissions in Sutton

Architects’ Practice & Planning Application in Sutton

Extension Architecture is an experienced team of planning consultants and Architects. With a breadth of experience working in Sutton, architects in our office always keep up to date with changes in planning applications and building regulation within Sutton in particular. They are here to provide friendly and helpful services assisting you from initial design ideas through to planning, building control and into a reality. Our success rate is nearly 100% from house and basement extensions, loft and garage conversions, change of use applications, new builds and commercial planning.



We provide a full range of services in the Sutton area including:



  • Planning Application Drawings (including Plans, Sections, Elevations etc.)
  • Retrospective Planning
  • Building Regulation Drawings for Building Control in Sutton
  • Consultancy for Commercial Development
  • 3D Visualisations (Immersive Design)
  • Interior Design
  • Spatial Planning and Layout
  • Feasibility Consultancy
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Our Range of Service in Sutton & London Area

We provide a full range of services in the Sutton area


Our experienced IN HOUSE TEAM of experts are ready to help you and provide FREE planning advice. We are here to help so pick up the phone and call us at 0203 409 4215. Our experience is proven, see our CASE STUDIES to find out what we can do for you! We can help and give free advice in: Beddington, Belmont, Carshalton, Cheam, Hackbridge, Rosehill, Sutton, Wrythe, Wallington, Worcester Park and the following postcodes SM1, SM2, SM3, SM5, SM6 and SM7.

Residential Service: planning permissions and designs for single/double storey side/ rear extension, basement extension, loft conversion, dormer extension, rooftop terrace. House conversion into flats, window/door elevations. annex/maisonette/conservatory/garage conversion, interior/exterior design, garden design, new build development

Commercial Service: planning permissions and designs for restaurant, bar, cafe, retail shops, stores, hotel. change of use, Planning applications, building regulation drawings.




Single Storey Rear Extension in Sutton

The brief was to make a contemporary new space for this professional couple for entertaining their guests.

Side Extension & Loft Conversion

Property is a detached Victorian building located in an area with mixed residential and commercial developments.

Change of Use in Sutton

The scheme included a change of a use of an existing building in Sutton.

Loft Extension Sutton

Extension Architecture created a proposal for the client for a loft extension of the client’s property.

Rear Extension and Loft Conversion

The project included a double storey rear extension, loft conversion, internal re-figuration and a porch.

Roof Conversion

We were appointed to produced a number of visualisations for our client for a property which our Interior Designer re-designed and presented to the client for approval.

Planning Application for a Cafe

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

Restoration & Extension of a Mid-19th Century Terrace House

The project involved restoration and extension of a mid-19th century terrace house the property is a Grade II listed building.

Architects’ Services in Sutton – Process

Any work under Sutton Council, we would undertake a property site assessment by looking into its history and context of the site with its surroundings. In the process of design we aim to be up to date with all the regulations, taking into consideration the conservation and heritage sites and we approach it with a sympathetic proposal to consider the characteristic surroundings.

The rules and regulations for planning applications and building regulation vary from council to council and as stated above we always keep ourselves aware of the changes in the Sutton Borough. Additionally, we would take time to study the reasons as to why the other properties get approved and refused within the area helping us to better our understanding and maintain a good success rate. Therefore in Sutton, our architects’ practice is one of the most reliable to work with. Our in house experienced team are always there to help you. Call us to find out more on 0203 409 4215. We provide a full range of services with regards to all manner of planning permission and drawing types in the Sutton area.


Single Storey Extension

Double Storey Extension

Convert to Flat

Loft Conversion

Basement Extension

3D Visualisation


New Builds

Change of Use

Call Us On 203 409 4215