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Free 2026 London Planning Report — Worcester Park KT4

Paved rear garden with a lawn, a black pergola over wicker seating and a pale rendered house with sliding glass doors
KT4 · Worcester Park · Kingston

Planning and building regulation drawings in Worcester Park (KT4)

KT4 covers Worcester Park and Old Malden, suburbs that grew around an older village core. Most of the wider housing is Edwardian villas and bay-fronted semis from the interwar years, typical of the Worcester Park suburb, and Kingston Road, Manor Drive and Lawrence Avenue are among its roads. Old Malden is different. It keeps a medieval church, a village green with a pond and a small group of nineteenth-century cottages on Church Road, and the interwar avenues of its wider suburb include Raleigh Drive, Collingwood Avenue, Oakdene Drive and Southwood Drive.

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  • Royal Borough of Kingston upon Thames granted 82% of 766 householder applications
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The suburban houses are detached and semi-detached with mature gardens, and they suit rear extensions, two-storey side extensions and loft conversions, which must respect the established building lines. Mature gardens and street trees can carry tree preservation orders, which affects where foundations can go. Around the village core the approach is more careful, because materials, scale and elevations are expected to suit the setting.

The Old Malden Conservation Area, covering the St John's church setting and Plough Green, is the conservation area here. The church of St John the Baptist is Grade II listed, and that sets a high bar for anything built nearby. KT4 also straddles the Kingston and Sutton boundary, so the first step is to confirm which council actually handles your address.

Planning in Worcester Park: what to know before you apply

For homes in KT4 that Kingston handles, the council expects extensions to respect established building lines and the character of the street. Outside the Old Malden Conservation Area, houses (not flats) have householder permitted development rights, so a rear extension or loft within the limits may not need a planning application. Kingston publishes no Article 4 rows to the national register, so we confirm the position on its own map. Inside it, roof enlargements, side extensions and rear extensions of more than one storey are not permitted development and need a full application, and alterations, materials and demolition are all examined. Flats have no householder permitted development rights. Listed buildings need listed building consent. Because of the boundary with Sutton, we confirm the planning authority per address before choosing a route.

Applications are decided by Royal Borough of Kingston upon Thames — its planning pages.

Check your route

Does your Worcester Park project need planning permission?

Route check · Worcester Park (KT4)

Listed building?
Conservation area?
Likely permitted development — no planning applicationNeeds checking
  • A single-storey rear extension up to 4 m deep on a detached house, or 3 m on any other house, is Class A permitted development subject to the height and materials conditions.
  • An Article 4 direction applies here and may withdraw this freedom — the schedule must be checked before relying on it.
  • One or more constraints are unknown — we check the council's registers as part of the free appraisal.
  • Where permitted development applies, a lawful development certificate proves it for lenders and buyers.

Sources: GPDO 2015, Schedule 2, Part 1 · Planning Portal — common projects · Building Regulations 2010 — when approval is needed

This is a first-pass indication from the national rules, not planning advice for your property. Your council's registers, any Article 4 schedule and the exact dimensions decide it — the free appraisal checks all three before we recommend a route.

Confirm it with a free appraisal

Worcester Park (KT4) in numbers

What Royal Borough of Kingston upon Thames has decided, and what KT4 is built of — the two facts that shape every job here.

Householder planning decisions — Royal Borough of Kingston upon Thames

Worcester Park (KT4) applications are decided by Royal Borough of Kingston upon Thames; these are its published householder figures for the last four quarters.

Householder applications decided2025 Q2 to 2026 Q1766
Granted628
Refused138
Grantedof 766 decisions · England 90%82%
Decided within 8 weeksof 664, excluding prior approvals93%

Source: Ministry of Housing, Communities and Local Government (PS2 district planning application statistics). Open Government Licence v3.0 Extracted 2026-09-22.

Permitted development prior approvals — Royal Borough of Kingston upon Thames

How the larger-home-extension route has fared with Royal Borough of Kingston upon Thames, which decides KT4 notifications.

Larger home extension prior approvals — not required2024 Q2 to 2026 Q194
Prior approval granted9
Prior approval refused102
Grantedof 111 determined8%

Source: Ministry of Housing, Communities and Local Government (PS1 district planning application statistics). Open Government Licence v3.0 Extracted 2026-09-22.

Planning appeals — Royal Borough of Kingston upon Thames

Refusals in KT4 can be appealed to the Planning Inspectorate; this is Royal Borough of Kingston upon Thames's householder appeal record.

Householder appeals determined2021–2026171
Allowed75
Allowedof 171 · England 36%44%

Source: Planning Inspectorate appeals casework. Open Government Licence v3.0 Extracted 2026-09-22.

Conservation areas and Article 4 directions — Royal Borough of Kingston upon Thames

Register counts for Royal Borough of Kingston upon Thames. A count describes what the council has published, never a rank against another council.

Conservation areas in the register26 dated, 1971–200428
Article 4 directions in the register3
Areas covered by an Article 4 direction114

Source: MHCLG Planning Data Platform. Open Government Licence v3.0 Extracted 2026-09-22.

What KT4 is built of

Residential building form across Worcester Park (KT4), from 324 classified buildings — the fact that decides party walls, side returns and loft headroom before any policy does.

Attached on more than one side37%
Attached on one side52%
Detached11%
Median building footprint67 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate1.21
Buildings classified324

Source: Ordnance Survey National Geographic Database (derived statistics). Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Extracted 2026-09-22.

  1. Day 0Measured survey of your Worcester Park property — or your existing plans if you have them.
  2. About 7 daysDrawings issued for your approval. Free redraws until you are happy.
  3. SubmissionWe validate against Royal Borough of Kingston upon Thames’s checklist and submit on your behalf.
  4. Council: 8-week targetHouseholder applications carry an 8-week statutory target. Royal Borough of Kingston upon Thames decided 93% of 664 recent householder applications inside it.

Source: Ministry of Housing, Communities and Local Government (PS2 district planning application statistics). Open Government Licence v3.0 Extracted 2026-09-22.

Neighbourhoods

Streets and neighbourhoods in KT4

Worcester ParkMedieval church core and 19th-century cottages, ringed by Edwardian and interwar suburbOld Maldenhistoric village core within a predominantly interwar suburb
Nearby

Nearby postcode districts

New Malden KT3Surbiton KT6Coombe KT2Chessington KT9Kingston KT1
FAQ

Worcester Park (KT4) — FAQs

Does Old Malden's conservation area cover the whole of KT4?+
No. It protects the setting of St John's church and the Plough Green cottages, which is a small part of the postcode. The interwar avenues further out are not described as part of it, but each address still needs checking, because the boundary decides the planning route.
Is my KT4 house in Kingston or Sutton?+
It can be either, since the postcode straddles the boundary between the two boroughs. We confirm it at the start of every job. That matters because each council has its own validation list and design guidance, and an application sent to the wrong one wastes time.
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