Which postcode districts around Kingston upon Thames do we cover for garage conversion work?
Below: every Kingston upon Thames postcode district we draw in, what its garages are typically attached to, and the authority that validates a conversion there. The money quoted is the statutory England application fee for 2026 — not a build cost, and not our fee.
| Postcode | Area | Dominant stock | What it means for a garage conversion |
|---|
| KT1 | Kingston upon Thames | Georgian fragments, Victorian terraces, 1930s semi-detached | Kingston town centre. Kingston Council validates every KT1 garage conversion, and the flatted and converted stock here is the commonest reason a garage turns out not to be permitted development after all. |
| KT2 | Kingston / Norbiton | Georgian fragments, Victorian terraces, 1930s semi-detached | Kingston and Norbiton. Kingston Council validates the submission. Where a KT2 property lies within a conservation area, permitted development rights over the front elevation may have been withdrawn. |
| KT3 | New Malden | Edwardian villas, 1930s semi-detached | New Malden. The submission goes to Kingston Council, and a KT3 garage is assessed by the same householder team that handles the rest of the borough. |
| KT5 | Surbiton / Tolworth | Edwardian villas, mansion blocks | Surbiton and Tolworth. Kingston Council handles it. The inter-war and early post-war semis across KT5 mostly have integral garages, which are the simplest type to convert. |
| KT6 | Surbiton | Edwardian villas, mansion blocks | Surbiton. Kingston Council takes the application. Where the address sits in a designated area, the front elevation is what the case officer looks at first, so check the borough's conservation map before ordering the window. |
| KT9 | Chessington | 1930s semi-detached | Chessington. Kingston Council decides it. Detached garages are more common at this end of the borough, and a detached garage is a different planning question from an integral one. |
Which Kingston upon Thames neighbourhoods suit a garage conversion best?
Two garages a street apart can take different answers. Pitch, wall build-up and plot depth shift by street in Kingston, and each of them moves what a garage can be turned into at that address. The design therefore starts from a survey, never from a standard detail.
- Kingston (KT1, KT2) — Georgian and Victorian centre, riverside defines Kingston, where georgian fragments, victorian terraces, 1930s semi-detached set what a garage conversion can do. Georgian houses here predate the garage across KT1. Any Kingston garage conversion is validated by Kingston Council, with Kingston Market the usual Kingston reference point on the site plan.
- Surbiton (KT5, KT6) — a garage conversion in Surbiton starts from edwardian villas, mansion blocks, and Surbiton reads as Edwardian villas, mansion blocks. Edwardian houses here sometimes carry a detached garage at the end of the plot in KT5. Kingston Council assesses Surbiton garage conversions against its own Surbiton character guidance, and the location plan we draw for Surbiton references Surbiton station.
- New Malden (KT3) — a garage conversion in New Malden starts from edwardian villas, 1930s semi-detached, and New Malden reads as Edwardian villas, 1930s semi-detached. Edwardian houses here sometimes carry a detached garage at the end of the plot in KT3. Kingston Council assesses New Malden garage conversions against its own New Malden character guidance, and the location plan we draw for New Malden references New Malden High Street.
- Chessington (KT9) — 1930s semi-detached, post-war estates defines Chessington, where 1930s semi-detached set what a garage conversion can do. The integral and attached garages on these 1930s semis are the classic conversion — usually internal work only across KT9. Any Chessington garage conversion is validated by Kingston Council, with Chessington World of Adventures the usual Chessington reference point on the site plan.
- Tolworth (KT5, KT6) — garage conversion work in Tolworth means 1930s semi-detached, post-war flats. Tolworth is 1930s semi-detached, post-war flats. The integral and attached garages on these 1930s semis are the classic conversion — usually internal work only throughout KT5. Kingston Council decides the Tolworth application, and Tolworth Tower anchors the Tolworth location plan.
- Norbiton (KT2) — a garage conversion in Norbiton starts from victorian terraces, edwardian villas, and Norbiton reads as Victorian terraces, Edwardian villas. Victorian terraces here rarely have an integral garage in KT2. Kingston Council assesses Norbiton garage conversions against its own Norbiton character guidance, and the location plan we draw for Norbiton references Norbiton station.
- Coombe (KT2, KT3) — a garage conversion in Coombe starts from 1930s detached, edwardian villas, and Coombe reads as 1930s detached and large semi-detached. Edwardian houses here sometimes carry a detached garage at the end of the plot in KT2. Kingston Council assesses Coombe garage conversions against its own Coombe character guidance, and the location plan we draw for Coombe references Coombe Hill.
How do conservation areas and Article 4 affect a garage conversion in Kingston upon Thames?
Conservation areas covering Kingston upon Thames: Kingston Council runs 22, and Kingston Old Town, Surbiton, Hampton Wick are the ones Kingston upon Thames owners meet most. A garage conversion inside a Kingston upon Thames conservation area loses permitted development, so the Kingston upon Thames submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Coombe Hill a garage conversion is judged on the street elevation first.
Article 4 and your Kingston upon Thames garage conversion: Kingston Council has made no borough-wide direction, so permitted development for a garage conversion in Kingston upon Thames generally survives outside Kingston upon Thames conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a KT1 owner records that a garage conversion was lawful.
Kingston upon Thames housing stock: Edwardian villas in Surbiton and New Malden; Victorian terraces in Kingston central; 1930s semi-detached in Chessington and Tolworth; post-war in New Malden. Outer south-west London suburban; generally permissive; riverside conservation areas add character in Kingston town. Read that before choosing a garage conversion route in Kingston upon Thames — construction, not postcode, sets what is achievable. Kingston Council charges £548 for a householder application and has 8 weeks to determine it.
Who decides a garage conversion on the edge of Kingston upon Thames?
- Richmond upon Thames — adjoining Kingston upon Thames, with 72 conservation areas centred on SW13. A garage conversion on the far side of the Kingston upon Thames line is determined by Richmond Council, so the Kingston upon Thames quote for garage conversions is checked against Richmond upon Thames guidance before it is issued.
- Merton — adjoining Kingston upon Thames, with 28 conservation areas centred on SW16. A garage conversion on the far side of the Kingston upon Thames line is determined by Merton Council, so the Kingston upon Thames quote for garage conversions is checked against Merton guidance before it is issued.
- Sutton — adjoining Kingston upon Thames, with 17 conservation areas centred on SM1. A garage conversion on the far side of the Kingston upon Thames line is determined by Sutton Council, so the Kingston upon Thames quote for garage conversions is checked against Sutton guidance before it is issued.
Sources for this Kingston upon Thames 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.
