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Garage conversion · Southwark

Garage conversion in Southwark

Specialist garage conversion drawings. MCIAT chartered. Southwark Council-experienced.

Quick facts

Service
Garage conversion
Parent service
House Extensions
Planning authority
Southwark Council
Article 4
Yes

Architectural design tools and technical drawings — garage conversions in Southwark
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An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — garage conversion in Southwark
Every set is checked line by line against the validation checklist before it leaves the office.

Where in Southwark does a garage conversion actually get determined?

Every Southwark postcode district we draw in, the stock that dominates it and the authority that validates a garage conversion there. Southwark fees below are the statutory England rates for 2026, not garage conversion estimates.

PostcodeAreaDominant stockWhat it means for a garage conversion
SE1Bermondsey / Borough / WaterlooGeorgian terraces, post-war flats, new-buildA garage conversion in Bermondsey / Borough / Waterloo may land with Southwark Council or Lambeth Council — SE1 crosses the boundary, and the SE1 policies map decides it street by street.
SE5CamberwellGeorgian villas, Victorian terracesSE5 straddles a boundary: Camberwell addresses fall to Southwark Council or Lambeth Council, so confirm which authority validates the garage conversion before submitting SE5 drawings.
SE15Peckham / NunheadVictorian terraces, post-war estatesSE15 covers Peckham / Nunhead only; Southwark Council handles the garage conversion.
SE16Bermondsey / RotherhitheWarehouse conversions, Georgian terraces, new-buildA garage conversion at an SE16 address in Bermondsey / Rotherhithe is determined by Southwark Council under its own Local Plan policies for Bermondsey / Rotherhithe.
SE17WalworthPost-war estates, new-build towersSE17 covers Walworth only; Southwark Council handles the garage conversion.
SE21Dulwich VillageGeorgian villas, Edwardian villas (Dulwich Estate)A garage conversion in Dulwich Village may land with Southwark Council or Lambeth Council — SE21 crosses the boundary, and the SE21 policies map decides it street by street.
SE22East DulwichVictorian and Edwardian terracesSE22 covers East Dulwich only; Southwark Council handles the garage conversion.
SE24Herne HillVictorian villas, Edwardian terracesHerne Hill is split at SE24. Either Lambeth Council or Southwark Council can determine a garage conversion here, so the SE24 address is checked against both policies maps first.

How does a garage conversion differ street by street across Southwark?

Roof pitch, wall build-up and plot depth change every few Southwark streets, and each one changes what a garage conversion can achieve at that address.

How do conservation areas and Article 4 affect a garage conversion in Southwark?

How designation changes a Southwark garage conversion: Southwark Council maintains 43 conservation areas, including Borough, Camberwell Grove, Bermondsey Street. Inside any of them a Southwark garage conversion cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Peckham Rye sets the tone for Southwark casework.

What Article 4 removes near Southwark: Article 4 for HMOs borough-wide; additional Article 4 for office-to-residential in Bermondsey and Elephant & Castle. Before pricing a garage conversion we check whether the SE1 address is inside the mapped area, because Southwark Council draws the Southwark boundary street by street rather than across the whole of Southwark.

The building fabric around Southwark: Georgian and Regency in Bermondsey and Borough; Victorian terraces in Camberwell and Peckham; Dulwich Estate controlled housing; riverside new-build. Dulwich Estate private planning scheme affects much of SE21 and SE22; Southwark planning for rest of borough; strong heritage context. A garage conversion in Southwark is scoped against that stock first.

Who decides a garage conversion on the edge of Southwark?

Sources for this Southwark garage conversion page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

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A printed planning application drawing set — proposed elevations, floor plans and the os location plan with the site outlined in red — garage conversion in Southwark
The planning set that goes to the council through the Planning Portal: proposed elevations, plans, and the OS location plan with your site outlined.

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