9 Martingales Close Ham Richmond TW10 7JJ Data via plota.co.uk

PA26/2121 - Householder Application Approved
Extensions & alterations

Proposal

Single storey rear extension. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
2 Jul 2026
✓
Approved
20 Aug 2026

Approved on 20 Aug 2026 · Delegated Decision · Last checked 21 Aug 2026

Documents

View the documents on the council's website ↗

Site constraints 12

T0010 - T11 - Elm Tree
In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From rivers. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
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.
Local nature reserve 283 m away: Ham Common, Richmond, London
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
T0010 - T11 - Elm TreeCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Conservation area 51 m away: Ham Common; Registered park or garden 171 m away: Ham House; National infrastructure project 706 m away: Teddington Direct River Abstraction (TDRA), 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; Priority habitat 49 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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.

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Other new applications on this street

27 Oct 2026Pending

3 Martingales Close Ham Richmond TW10 7JJ

T1 Norway Maple, front lawn of 3 Martingales Close. A 4 metre crown reduction to...

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29 May 2026Approved

12 Martingales Close Ham Richmond TW10 7JJ

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Details pursuant to condition C2. Sample panel of brickwork, C3. Materials, C5. ...

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22 Oct 2026Pending

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14 Oct 2026Approved

The Little House 23 Ham Common Ham Richmond TW10 7JB

I am hereby applying to remove lower branches on a Leyland Cypress tree and red

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13 Oct 2026Pending

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Important details

Council
Richmond upon Thames
Application type
Householder Application
Postcode
TW10 7JJ
Received
2 Jul 2026
Validated
2 Jul 2026
Ward
Ham, Petersham & Richmond Riverside Ward [HMP]
Case officer
Show
Target decision
27 Aug 2026
Decision
Granted Permission
Decision date
20 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
tim richards architects

How this decision compares

Decided in 49 days from validation, about the council's usual 48 days. 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-15007455
Statutory expiry
23 Jul 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
341, Petersham Road, Ham, Richmond, TW10 7DB
T1 Silver Birch: Fell The silver birch has outgrown its planting location near the rear o…
PA25/4297
2025 Approved
341 Petersham Road Ham Richmond TW10 7DB
Canopy to front elevation, replacement front door, replacement windows to the front eleva…
PA25/3257
2025 Approved
333 Petersham Road Ham Richmond TW10 7DB
Lower Ground floor rear extension
PA25/3316
2025 Approved
Little Briars 289A Petersham Road Petersham Richmond TW10 7DA
Removal of conservatory and replaced by Flat roof ground floor extension. Removal of Chim…
PA25/2420
2025 Approved
333 Petersham Road Ham Richmond TW10 7DB
T1 Cherry Tree - removal due to ganoderma. See attached photos.
PA25/2332
2025 Approved
315, Petersham Road, Ham, Richmond, TW10 7DB
5 DAY DANGEROUS TREE NOTICE Tree removal
PA25/2616
2025 Approved
335 Petersham Road Ham Richmond TW10 7DB
Demolition of existing rear extension, Lower Ground and part Ground Floor rear extension…
PA25/1719
2025 Approved
Flat 1A South Lodge 61 Ham Common Ham Richmond TW10 7JL
T1 - Cercis canadensis - fell to ground level. T2 - Cercis canadensis - fell to ground le…
PA25/0325
2024 Approved
315 Petersham Road Ham Richmond TW10 7DB
Single-storey rear extension (lower ground floor).
24/2686/HOT
2024 Approved
Flat 6 South Lodge 61 Ham Common Ham Richmond TW10 7JL
Renewal of roof slates and flashings on existing pitched roof and flat roof finish, addit…
24/1907/LBC
2024 Withdrawn
335 Petersham Road Ham Richmond TW10 7DB
We have a Eucalyptus tree at the bottom our garden which has grown at a very fast rate an…
24/T0064/TCA
2022 Approved
315 Petersham Road Ham Richmond TW10 7DB
New lower ground floor extension and ground floor extension.
22/2731/HOT
2023 Approved
315 Petersham Road Ham Richmond TW10 7DB
Rear extension. New rear windows.
23/2186/HOT
2023 Approved
297 Petersham Road Ham Richmond TW10 7DB
Removal of existing brick flower beds and new hardstanding and drainage.
23/1826/HOT
2022 Refused
297 Petersham Road Ham Richmond TW10 7DB
Demolition of dwarf wall/flower beds and replacement hard surfacing. Creation of vehicle…
22/3362/HOT
2023 Approved
293 Petersham Road Ham Richmond TW10 7DB
Group of copiced ash trees - To remove smaller saplings and reduce more mature ones by 2m…
23/T0272/TCA
2023 Approved
335 Petersham Road Ham Richmond TW10 7DB
re-opening of a side return basement window below street level
23/0747/HOT
2023 Approved
313 Petersham Road Ham Richmond TW10 7DB
New side return extension and rear extension.
23/0648/HOT
2022 Approved
West Cottage South Lodge 60 Ham Common Ham Richmond TW10 7JL
Buckthorn, 5m tall 5m wide. Tree has grown on to properties roof causing damage and is no…
22/T0956/TCA
2021 Approved
295 - 297 Petersham Road Ham
Partial hip to gable extension and rear dormers on the detached cottages to include raisi…
21/2632/HOT
2016 Approved
21 Bishops Close Ham Richmond TW10 7DF
Extension and remodelling of existing ground floor flat.
16/2982/FUL
2016 Approved
24 Bishops Close Ham Richmond TW10 7DF
Roof extension incorporating a dormer window in side and rear roof slope and installation…
16/1605/FUL
2016 Approved
22 Bishops Close Ham Richmond TW10 7DF
Side and rear dormer roof extensions and associated works.
16/0787/FUL
2016 Approved
4 Bishops Close Ham Richmond TW10 7DF
Rear dormer and rooflights
16/0717/FUL
2016 Approved
21 Bishops Close Ham Richmond TW10 7DF
Rear extension and remodelling of existing ground floor flat.
16/0068/FUL
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
Source: MHCLG planning statistics · See full council rankings

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