6, Morley Road, Twickenham, TW1 2HF Data via plota.co.uk

PA26/1496 - General Permitted Development Extension Approved

Proposal

Single storey rear infill extension (5.53m depth, 2.47m eaves height, 3.35m overall height) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
30 Apr 2026
✓
Approved
27 May 2026

Approved on 27 May 2026 · Delegated Decision · Last checked 12 Jul 2026

Site constraints 8

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
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.
Conservation area 13 m away: Richmond Road (East Twickenham)
The edge of the area; work outside it can still affect its setting.
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 ↗
Also on the record
1 listed building within 150 m; National infrastructure project 847 m away: Teddington Direct River Abstraction (TDRA), at pre-application; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Not green belt · No scheduled monument at the site

Checked on 6 October 2026. 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.

Sales history 1

Last sold for £1,530,000 in October 2024. Terraced house, freehold.

10 October 2024£1,530,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area144 m² (1,550 sq ft)
Energy ratingD (56 out of 100), could reach B
PropertyMid-terrace house, 6 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2023, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
General Permitted Development Extension
Postcode
TW1 2HF
Received
30 Apr 2026
Validated
30 Apr 2026
Ward
Twickenham Riverside Ward [TRW]
Case officer
Show
Target decision
11 Jun 2026
Decision
GPD Extension Approved
Decision date
27 May 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 27 days from validation, 21 days faster than Richmond upon Thames's median of 48 for extensions. Approved, as 86% of extensions here are.

78%decided within 8 weeks
86%approved
1,289decided in the last year

Plota live figures for extensions decided by Richmond upon Thames in the last twelve months, from validation. Richmond upon Thames decision record →

Consultation & key dates

Alt. reference
PP-14900092
Statutory expiry
22 May 2026
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.