8 Hillview Close, Hatch End, Pinner, Harrow, HA5 4PD Data via plota.co.uk

PL/2615/26 - Certificate of Lawful Development Proposed Pending Consideration

Proposal

Certificate of lawful development (proposed): Dormer and rooflight to each side roof slope; installation of two windows to side elevation Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
2 Oct 2026
Decision
Expected by 27 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 27 Nov 2026, from Harrow's recent extensions.

Site constraints 6

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 ↗
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 ↗
Scheduled monument about 111 m away: Grim's Ditch: four linear sections between Uxbridge Road and Oxhey Lane
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
Also on the record
Flood defence about 6 m from the postcode pin (natural high ground, designed for a 1 in 5 year flood); Inside the Harrow built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 8 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
Harrow
Application type
Certificate of Lawful Development Proposed
Postcode
HA5 4PD
Received
2 Oct 2026
Validated
2 Oct 2026
Ward
Hatch End
Case officer
Show
Target decision
27 Nov 2026
Decision level
Delegated decision
Applicant
Show
Agent
Saloria Architects
Freehold owner
Show

Decision outlook

Day 7 of the 56-day target. Harrow usually decides extensions by day 56.

Day 749 days to the 56-day target
84%decided within 8 weeks
79%approved
1,935decided in the last year

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

Consultation & key dates

Statutory expiry
27 Nov 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

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.