76 Merton High Street, Colliers Wood, Merton Data via plota.co.uk

25/P2075 - Full Planning Permission Approved

Proposal

Retension of existing roof terrace above first floor outrigger, including 1.7 metre balustrade with 1.5 metre opaque glass and parapet footing to the perimeter Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
11 Jul 2025
✓
Validated
27 Oct 2025
✓
Approved
2 Jul 2026

Approved on 2 Jul 2026 · Last checked 18 Oct 2026

Documents 8

Plans & drawings 3

PDF Plans and Elevations Plans · 2 Jul 2026 View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗

Other documents 3

PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗
PDF Commenter’s name hidden Show Supporting Document Planning Public View ↗

All documents on the council site ↗

Site constraints 5

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: Merton 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 ↗
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
Also on the record
Inside the Merton built-up area; Public transport access: PTAL 5 (very good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. 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
Merton
Application type
Full Planning Permission
Received
11 Jul 2025
Validated
27 Oct 2025
Ward
Wandle
Parish
Historic
Case officer
Show
Target decision
22 Dec 2025
Decision
Grant Permission Subject To Conditions
Decision date
2 Jul 2026
Applicant
Show
Agent
Extension Architecture

How this decision compares

Decided in 248 days from validation, 192 days slower than Merton's median of 56 for extensions. Approved, as 91% of extensions here are.

50%decided within 8 weeks
91%approved
1,375decided in the last year

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

Consultation & key dates

Statutory expiry
22 Dec 2025
Merton
Planning Authority Score
4.5/10
Below average
#173 of 296 councils
Relevant to this application:
Householder decisions

Merton ranks #196 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
Merton decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #135 of 296
92%
Householder approved
Above avg (90%) #158 of 296
57%
Decided in 8 weeks
Below avg (63%) #196 of 296
39%
Extended time limit
Below avg (41%) #139 of 296
54%
Minor dwellings approved
82 decided (1-9 homes)
100%
Major dwellings approved
11 decided (10+ homes)
83%
Change of use approved
24 decided
1,079
Total decisions
115 refused in the year to March 2026