71, Castelnau, London, SW13 9RT Data via plota.co.uk

PA25/4586 - Full Application Registered
DemolitionExtensions & alterationsNew homes

Proposal

Amalgamation of two dwellings into a single dwelling, comprising demolition and replacement of coach house and ancillary elements, construction of new rear and side extensions, alterations to roof including replacement dormer windows; internal reconfiguration, sustainability upgrades and other works incidental to the development. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 Jan 2026
✓
Consultation
16 Jan 2026
Decision
Expected by 3 Mar 2026

This application is under consideration - no decision has been issued yet. Plota predicted a decision around 12 Sept 2026; it is now day 249. The consultation period closed on 6 Feb 2026.

Documents

View the documents on the council's website ↗

Site constraints 6

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 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 ↗
Castelnau 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.
SSSI 110 m away: Barn Elms Wetland Centre SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Also on the record
Inside the Richmond upon Thames built-up area.
Not affected
Not green belt · No listed building at the site · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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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Important details

Council
Richmond upon Thames
Application type
Full Application
Postcode
SW13 9RT
Received
6 Jan 2026
Validated
6 Jan 2026
Ward
Barnes Ward [BRN]
Case officer
Show
Target decision
3 Mar 2026
Applicant
Show
Agent
Turley

Decision outlook

Day 249, past the statutory target. 87% of demolitions in Richmond upon Thames are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 11 Sept 2026.

Day 249193 days past the 56-day target
68%decided within 8 weeks
81%approved
98decided in the last year

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

Consultation & key dates

Alt. reference
PP-14580461
Comments by
6 Feb 2026
Site or press notice
16 Jan 2026
Statutory expiry
15 Sept 2026

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Erection of temporary hoardings measuring 20200mm x 2400mm for a period of 2 years and as…
PA25/4584
Within ~100m

Nearby activity

2024 Approved
78 Castelnau Barnes London SW13 9EX
Proposed rear ground floor extension. Alterations to rear fenestration and associated rea…
24/1915/HOT
2024 Approved
52 Castelnau Barnes London SW13 9EX
T1 Indian Bean tree, T2 Bay, T3 Bay. We are seeking to reduce T1 by up to 1m not exceedin…
24/T0683/TCA
2023 Approved
54 Castelnau Barnes London SW13 9EX
Proposed Garden Room in north west corner of site.
23/3082/HOT
2023 Approved
66 Castelnau Barnes London SW13 9EX
(T1) Lime(Tilia cordata) -reduce crown by 30%(.5m) to suitable growth points -remove all…
23/T0737/TCA
2023 Approved
48 Castelnau Barnes London SW13 9EX
Demolition of existing conservatory and part first floor. Proposed single storey extensio…
23/2329/HOT
2023 Refused
54 Castelnau Barnes London SW13 9EX
Proposed Garden Room in north west corner of site.
23/2053/HOT
2022 Refused
48 Castelnau Barnes London SW13 9EX
Demolition of existing conservatory and dormers. Proposed single storey / part two storey…
22/3268/HOT
2023 Withdrawn
54 Castelnau Barnes London SW13 9EX
Proposed Garden Room in north west corner of site.
23/0329/HOT
2022 Approved
70 Castelnau Barnes London SW13 9EX
T1 - Rear garden magnolia reduce and reshape crown back to previous (1 metre) thin by 20%…
22/T0860/TCA
2022 Approved
54 Castelnau Barnes London SW13 9EX
Birch Tree as identified on plan 5826-0002 to be felled as part of landscaping works to b…
22/T0640/TCA
2022 Withdrawn
54 Castelnau Barnes London SW13 9EX
Demolition of the existing rear dormers, single storey side extension, part two part sing…
22/1761/HOT
2022 Approved
52 Castelnau Barnes London SW13 9EX
: TG1 - Laurel - Fell and grind. T1 - Indian bean - Crown reduce by up to 1 metre in heig…
22/T0303/TCA
2021 Approved
54 Castelnau Barnes London SW13 9EX
Demolition of the existing rear dormers, single storey rear and side extension, construct…
21/3644/HOT
2021 Approved
72 Castelnau Barnes London SW13 9EX
Construction of a new swimming pool and a timber garden shed in the back garden of the pr…
21/1846/FUL
2021 Approved
50 Castelnau Barnes London SW13 9EX
5 DAY NOTICE Remove Tree
21/T0083/TPO
2021
50 Castelnau Barnes London SW13 9EX
5 DAY NOTICE Remove Tree
21/T0083/TCA
2020 Approved
62 Castelnau Barnes London SW13 9EX
T1 -Back garden, eucalyptus with small amount of decay at base, crown reduction by 30% (3…
20/T0904/TCA
2020 Approved
48 Castelnau Barnes London SW13 9EX
T1 Cherry (x1) - Fell to ground level. Reason: Tree is being dwarfed by adjacent Yew Tree…
20/T0602/TCA
2020 Approved
48 Castelnau Barnes London SW13 9EX
T1-3 Lime (x3) - Fell to ground level. Reason: Pushing over retaining wall on public foot…
20/T0209/TCA
2020 Approved
66 Castelnau Barnes London SW13 9EX
T1 - Lime - reduce crown by 30%(3.5m) to suitable growth points and remove all epicormic…
20/T0207/TCA
2016 Approved
62 Castelnau Barnes London SW13 9EX
T1 - Elder - Remove
16/T0832/TCA
2016 Approved
46 Castelnau Barnes London SW13 9EX
T1 - Magnolia - Reduce branches on canopy by approx.1.5m T2 - Robinia - Fell
16/T0700/TCA
2016 Approved
Annexe 58 Castelnau Barnes London SW13 9EX
Front and rear extensions.
16/1399/HOT
2016 Approved
56 Castelnau Barnes London SW13 9EX
Use of roof of side extension and pool building as an amenity area.
16/0448/PS192
2016 Withdrawn
Annexe 58 Castelnau Barnes London SW13 9EX
Partial demolition and reconstruction of existing Annex with extensions (including a new…
16/0142/HOT
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