29 Grove Road, Colliers Wood, Merton, SW19 1BL Data via plota.co.uk

26/LDCP/1556 - Lawful Development Certificate - Proposed - Section 192 Approved

Proposal

Lawful development certificate for proposed rear dormer roof extension and rooflights on front roof slope Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
31 Jul 2026
✓
Approved
3 Aug 2026

Approved on 3 Aug 2026 · Delegated · Last checked 30 Sept 2026

Site constraints 6

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 ↗
Also on the record
Local nature reserve 483 m away: Wandle Meadow Nature Park; Inside the Merton built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Designated open space 36 m away.
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, 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 5

Last sold for £730,000 in August 2026. Terraced house, freehold.

21 August 2026£730,000
15 February 2008£390,000
20 February 2004£275,000
10 March 2000£200,000
5 January 1998£52,700

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

Building

Floor area76 m² (818 sq ft)
Energy ratingD (61 out of 100), could reach B
PropertyMid-terrace house, 4 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in August 2023, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Merton
Application type
Lawful Development Certificate - Proposed - Section 192
Postcode
SW19 1BL
Received
31 Jul 2026
Validated
31 Jul 2026
Ward
Colliers Wood
Case officer
Show
Target decision
25 Sept 2026
Decision
Issue Certificate of Lawfulness
Decision date
3 Aug 2026
Decision level
Delegated
Applicant
Show
Agent
dRAW Architecture

How this decision compares

Decided in 3 days from validation, 59 days faster than Merton's median of 62 for extensions. Approved, as 91% of extensions here are.

45%decided within 8 weeks
91%approved
1,170decided 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
25 Sept 2026
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

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.