21 Kilmorey Gardens and land to rear of 272-278 St Margarets Road, Kilmorey Gardens, Twickenham Data via plota.co.uk

Decided PA25/3438 - Full Application

Council

Richmond upon Thames 4.4/10

Date received

3 Nov 2025

Date validated

3 Nov 2025

Decision date

3 Aug 2026

Type

Full Application

Description

4 x terraced two-storey dwellings with rooms in the roof, following demolition Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked 8 Oct 2026, 15:13

Site constraints 8

St Margaret's Estate conservation area

Demolition needs planning permission and permitted development is restricted.

The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.

Council document ↗

Air quality management area: Richmond AQMA

The council has declared the area as failing an air quality objective.

Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.

Council record ↗

Habitat network: Network Enhancement Zone 2

Where habitat is joined up enough to work as a network. Context, not a constraint on its own.

Also on the record

2 listed buildings within 150 m of the postcode pin; Local nature reserve about 478 m away: Isleworth Ait; National infrastructure project about 271 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square.

Not affected

Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Richmond upon Thames

Planning Authority Score

4.4/10

Below average

#182 of 296 councils

Relevant to this application:

Householder decisions

Richmond upon Thames ranks #130 out of 296 councils for householder decision speed. Richmond upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils

only 82% approved vs 90% nationally

These figures are council-wide context, not a prediction for this application. View full council performance

Richmond upon Thames decision statistics

Based on MHCLG data, the year to March 2026

81%

Overall approval rate

Below avg (87%) #257 of 296

82%

Householder approved

Below avg (90%) #268 of 296

69%

Decided in 8 weeks

Above avg (63%) #130 of 296

35%

Extended time limit

Below avg (41%) #104 of 296

68%

Minor dwellings approved

181 decided (1-9 homes)

100%

Major dwellings approved

3 decided (10+ homes)

47%

Change of use approved

17 decided

1,888

Total decisions

358 refused in the year to March 2026