Surbiton / Tolworth — covered by Kingston Council.
Planning permission drawings delivered by an MCIAT chartered team.
Building regulations drawings delivered by an MCIAT chartered team.
Loft conversion drawings delivered by an MCIAT chartered team.
House extension drawings delivered by an MCIAT chartered team.
Mansard roof extensions delivered by an MCIAT chartered team.
Garage conversion drawings delivered by an MCIAT chartered team.
Basement conversion drawings delivered by an MCIAT chartered team.
Structural calculations delivered by an MCIAT chartered team.
Measured building survey delivered by an MCIAT chartered team.
Party wall services delivered by an MCIAT chartered team.
Rear dormer drawings delivered by an MCIAT chartered team.


KT5 primarily covers Surbiton / Tolworth in Kingston upon Thames.
Decisions for KT5 are made by Kingston Council. Standard Permitted Development rules apply for most rear extensions and loft conversions on terraced and semi-detached houses, unless the property is in a conservation area, is listed, or sits under an Article 4 Direction. Article 4 in Kingston upon Thames: No.
Building regs from £950. We do not charge hourly. Free site survey across all KT5 addresses.
From first call to planning decision: typically 12–14 weeks. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination. Kingston Council timelines align with the national norm.
Surbiton / Tolworth in KT5 is characterised by the housing stock of Kingston upon Thames — broadly edwardian villas in surbiton and new malden.

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Every KT5 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. KT5 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| KT5 | Surbiton / Tolworth | Edwardian villas, mansion blocks | KT5 covers Surbiton / Tolworth only; Kingston Council handles the drawing package. |
| KT5 | Surbiton | Edwardian villas, mansion blocks | Surbiton sits inside KT5; drawing package proposals here are determined by Kingston Council. |
| KT5 | Tolworth | 1930s semi-detached, post-war flats | Tolworth sits inside KT5; drawing package proposals here are determined by Kingston Council. |
| KT1 | Kingston upon Thames | Georgian fragments, Victorian terraces, 1930s semi-detached | Adjoining district to KT5, also inside Kingston upon Thames for drawing package purposes. |
| KT2 | Kingston / Norbiton | Georgian fragments, Victorian terraces, 1930s semi-detached | Adjoining district to KT5, also inside Kingston upon Thames for drawing package purposes. |
| KT3 | New Malden | Edwardian villas, 1930s semi-detached | Adjoining district to KT5, also inside Kingston upon Thames for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few KT5 streets, and each one changes what a drawing package can achieve at that address.
How designation changes a KT5 (Surbiton / Tolworth) drawing package: Kingston Council maintains 22 conservation areas, including Coombe Hill, Kingston Old Town, Surbiton. Inside any of them a KT5 (Surbiton / Tolworth) drawing package 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. Surbiton sets the tone for KT5 (Surbiton / Tolworth) casework.
Article 4 and your KT5 (Surbiton / Tolworth) drawing package: Kingston Council has made no borough-wide direction, so permitted development for a drawing package in KT5 (Surbiton / Tolworth) generally survives outside KT5 (Surbiton / Tolworth) conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a KT5 owner records that a drawing package was lawful.
What KT5 (Surbiton / Tolworth) is built from: 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. That mix decides the drawing package route in KT5 (Surbiton / Tolworth) more than the postcode does, and it is what a Kingston Council case officer reads first. A householder application costs £548 paid to Kingston Council direct, with 8 weeks to a decision once validated.
Sources for this KT5 drawing package 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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