9 Martineau Drive Twickenham TW1 1PZ Data via plota.co.uk

PA26/3092 - Works to Trees Under TPO Approved

Proposal

T1. Blue Atlas Cedar Rear Garden: The tree is significantly one-sided, largely Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
7 Sept 2026
✓
Validated
11 Sept 2026
✓
Approved
14 Oct 2026

Approved on 14 Oct 2026 · Delegated Decision · Last checked 10 Oct 2026

Site constraints 13

T0802 - T1 - Cedar
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 ↗
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.
T0802 - T1 - CedarCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Local nature reserve 333 m away: Isleworth Ait; Registered park or garden 206 m away: Royal Botanic Gardens, Kew; 1 listed building within 150 m; National infrastructure project 436 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Inside the Richmond upon Thames built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Designated open space 32 m away; Metropolitan Open Land 80 m away.
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 3

Last sold for £2,680,000 in November 2020. Semi-detached house, freehold.

25 November 2020£2,680,000
4 May 2010£2,250,000
11 January 2007£1,850,000

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

Building

Floor area356 m² (3,832 sq ft)
Energy ratingC (72 out of 100)
PropertySemi-detached house, 9 habitable rooms
Built2003 to 2006
HeatingBoiler and underfloor heating, mains gas
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in February 2020, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Richmond upon Thames - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Application type
Works to Trees Under TPO
Postcode
TW1 1PZ
Received
7 Sept 2026
Validated
11 Sept 2026
Ward
St. Margarets & North Twickenham Ward [SMN]
Case officer
Show
Target decision
2 Nov 2026
Decision date
14 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
The Tree Agency

How this decision compares

Decided in 33 days from validation, about the council's usual 31 days. Approved, as 96% of tree and landscaping works here are.

97%decided within 8 weeks
96%approved
1,050decided in the last year

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

Consultation & key dates

Alt. reference
PP-15207692
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.