28 Merlin Crescent, Edgware, Harrow, HA8 6JE Data via plota.co.uk

PL/2656/26 - Certificate of Lawful Development Proposed Pending Consideration

Proposal

Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony; Window in gable end and three roof lights in front roof slope; Single storey detached outbuilding for use as incidental to the main dwelling (Demolition of outbuilding to rear) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
7 Oct 2026
✓
Validated
9 Oct 2026
Decision
Expected by 4 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 4 Dec 2026, from Harrow's recent demolitions.

Site constraints 4

Air quality management area: Harrow 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
Inside the Harrow built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Designated open space about 23 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 9 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.

Sales history 2

Last sold for £446,500 in August 2014. Semi-detached house, freehold.

11 August 2014£446,500
6 August 2001£160,500

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

Building

Floor area104 m² (1,119 sq ft)
Energy ratingD (64 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2014, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Harrow
Application type
Certificate of Lawful Development Proposed
Postcode
HA8 6JE
Received
7 Oct 2026
Validated
9 Oct 2026
Ward
Edgware
Case officer
Show
Target decision
4 Dec 2026
Decision level
Delegated decision
Applicant
Show
Agent
Construct 360 T/AS DontMoveExtend.com

Decision outlook

Day 19 of the 56-day target. Harrow usually decides demolitions by day 56.

Day 1937 days to the 56-day target
66%decided within 8 weeks
77%approved
276decided in the last year

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

Consultation & key dates

Statutory expiry
4 Dec 2026
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Householder decisions

Harrow ranks #115 out of 296 councils for householder decision speed. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Harrow decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #273 of 296
83%
Householder approved
Below avg (90%) #261 of 296
71%
Decided in 8 weeks
Above avg (63%) #115 of 296
33%
Extended time limit
Below avg (41%) #77 of 296
44%
Minor dwellings approved
133 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
38%
Change of use approved
26 decided
1,330
Total decisions
298 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.

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.