Areas / Sutton
Architects in Sutton
From Victorian and Edwardian houses in Sutton and Carshalton to the interwar semis of Cheam, Wallington and Worcester Park, Sutton homes are typically extended at the rear and side and in the loft.
RIBA Chartered Practice · ARB-registered architects · Extensions, lofts and planning drawings
- FreeInitial consultationA conversation about your project, and a first view of what's possible, before any fee is agreed.
- FixedFee for each stageEvery stage is priced in writing before it starts. No hourly billing.
- 3DSee the design firstYour design is shown in 3D before it's submitted, while changes are still easy.
- FreeResubmissionIf planning is refused, we revise and resubmit at no extra design fee. Conditions
Local planning points
Planning in Sutton
Checked October 2026. Planning policy changes, so we confirm the position for your address before you commit.
Single-storey rear extensions are normally limited to 2.7m deep on terraced houses and 3m on semi-detached houses, with up to 3.5m considered on well-separated detached houses (Design of Residential Extensions SPD 4, 2006). The guidance is old, so its weight should be checked case by case.
SourceAn Article 4 direction has removed permitted development rights for converting a house to a small HMO across the whole borough since 22 February 2025, so this change of use needs planning permission.
SourceOlder Article 4 directions remove permitted development rights for roof alterations, including dormers, on a number of properties across the borough (1984) and for certain alterations to houses in Sutton Garden Suburb (2007).
SourceAdditional HMO licensing covers the whole borough from 22 March 2026 to 22 March 2030, for HMOs with three or more people forming two or more households.
SourceA new Sutton Local Plan (2024 to 2041) reached the Regulation 19 stage, with consultation from 18 June to 31 July 2026 ahead of submission for examination.
Source
Postcodes
Sutton by postcode
3,851 postcodes in 12 postcode districts, 14 miles from our studio in Cricklewood.
- CR04% in Sutton
- CR45% in Sutton
- CR56% in Sutton
- CR84% in Sutton
- KT475% in Sutton
- SM1all in Sutton
- SM2all in Sutton
- SM3all in Sutton
- SM48% in Sutton
- SM5all in Sutton
- SM6all in Sutton
- SM7all in Sutton
Where a postcode district is shared, neighbouring streets can fall under a different council. The checker below gives the answer for an exact postcode.
Council-wide figures from public planning records, not our own results. Every application is judged on its own merits.
Postcode checker
Which council decides your application?
Type any postcode in the 33 London boroughs we cover. We'll tell you which council handles planning there and show you the local planning points.
Services
What we draw in Sutton
- House extensions
- Loft conversions
- Basement conversions
- Planning permission
- Building regulations drawings
- Structural calculations
- Flat conversions
- Change of use
- New builds
- Interior design
Neighbourhoods we cover include Sutton, Cheam, Carshalton, Wallington, Worcester Park and Belmont.
Neighbouring councils: Croydon, Merton, Kingston upon Thames, Lambeth.