First Floor A Flat 82 Valnay Street SW17 8PT Data via plota.co.uk

2026/2626 - Application for Full Permission REGISTERED

Proposal

Alterations including erection of hip to gable side roof extension and rear roof dormer extension (with French doors) and extension above part of two-storey back addition; formation of roof terrace above two-storey back addition with 1.7m high screen surround. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 Jul 2026
✓
Validated
23 Jul 2026
Decision
Expected by 17 Sept 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 9 Oct 2026; it is now day 78.

Site constraints 7

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:  &nbsp
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: Wandsworth 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 ↗
Also on the record
1 listed building within 150 m of the postcode pin; Inside the Wandsworth built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Town centre about 87 m away: Tooting.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 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, 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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Important details

Council
Wandsworth
Application type
Application for Full Permission
Postcode
SW17 8PT
Received
20 Jul 2026
Validated
23 Jul 2026
Case officer
Show
Applicant
Show
Agent
Ideaplan

Decision outlook

Day 78, past the statutory target. 93% of extensions in Wandsworth are decided within thirteen weeks, which runs to 22 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 31 Jul 2026.

Day 7822 days past the 56-day target
79%decided within 8 weeks
89%approved
1,166decided in the last year

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

Consultation & key dates

Statutory expiry
17 Sept 2026
Wandsworth
Planning Authority Score
4.8/10
Below average
#164 of 296 councils
Relevant to this application:
Householder decisions

Wandsworth ranks #172 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Wandsworth decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #120 of 296
92%
Householder approved
Above avg (90%) #168 of 296
62%
Decided in 8 weeks
Below avg (63%) #172 of 296
37%
Extended time limit
Below avg (41%) #124 of 296
89%
Minor dwellings approved
680 decided (1-9 homes)
81%
Major dwellings approved
16 decided (10+ homes)
72%
Change of use approved
36 decided
2,062
Total decisions
206 refused in the year to March 2026