HILL HOUSE Orley Farm Road, Sudbury, Harrow, HA1 3PE Data via plota.co.uk

PL/2440/26 - Householder Pending Consideration

Proposal

Two storey side and rear extensions; single storey rear extension, conversion of garage into habitable room with alterations to roof; alterations and extension to roof; rear dormer; rooflights in side roof slope and crown; solar panels on main hipped roof; external alterations; rear garden landscaping (demolition of outbuilding) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
14 Sept 2026
Decision
Expected by 9 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 9 Nov 2026, from Harrow's recent demolitions.

Site constraints 5

South Hill Avenue Conservation Area Harrow on the conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
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
Local nature reserve about 473 m away: Grove Farm; Inside the Harrow built-up area; Metropolitan Open Land about 40 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 17 September 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 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 £1,240,000 in September 2024. Detached house, freehold.

20 September 2024£1,240,000
3 December 2004£650,000

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

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Important details

Council
Harrow
Application type
Householder
Postcode
HA1 3PE
Received
14 Sept 2026
Validated
14 Sept 2026
Ward
Harrow on the Hill
Case officer
Show
Target decision
9 Nov 2026
Decision level
Delegated decision
Applicant
Show
Agent
Beau Ideal Architects

Decision outlook

Day 20 of the 56-day target. Harrow usually decides demolitions by day 56.

Day 2036 days to the 56-day target
75%decided within 8 weeks
77%approved
269decided 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
9 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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.