Harrow School, 5 High Street, Harrow, HA1 3HP Data via plota.co.uk

PL/2146/26 - Approval of Details Reserved by Condition Approved

Proposal

Details pursuant to condition 5 (construction and logistics plan) attached to planning permission allowed under appeal ref: app/ dated 31/10/2019 for demolition of existing buildings: existing sports building, peel house, museum cottage, gardeners compound, boyer webb pavilion, pavilion next to the athletics track; construction of new sports building over 3 levels (7269 sqm); new science building over 3 levels (3675 sqm); new landscaping core from existing chapel terrace to the athletics track at the base of hill; new visitors car parking on football lane adjacent to maths and physics school buildings; re-routing and re-grading of private access road; alterations to landscaping and servicing for dining hall; relocation of multi use games area for moretons boarding house to south west of dining hall (updated metropolitan open land approach statement and revised community uses agreement submitted) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
11 Aug 2026
✓
Approved
6 Oct 2026

Approved on 6 Oct 2026 · Delegated decision · Last checked 6 Oct 2026

Associated applications 8

Licence at this address

  • Licence Harrow School Premises licence · in force · elsewhere in the building Licensed hours: alcohol until 01:00

Licensed hours are what the licence permits, not opening times.

Site constraints 6

Metropolitan Open Land
Green belt level protection inside London.
The London Plan gives Metropolitan Open Land the same protection as green belt: inappropriate development needs very special circumstances.
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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Registered park or garden 122 m away: Harrow Park (Formerly Flambards); Inside the Harrow built-up area; Public transport access: PTAL 0 (very poor), TfL 2023, for the 100 m square.
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.

Building

Floor area2,789 m² (30,021 sq ft)
Energy ratingC (asset rating 56)
UseResidential Institutions: Universities and Colleges
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in May 2026, 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
Approval of Details Reserved by Condition
Postcode
HA1 3HP
Received
11 Aug 2026
Validated
11 Aug 2026
Ward
Harrow on the Hill
Case officer
Show
Target decision
6 Oct 2026
Decision
Approval of Details Granted
Decision date
6 Oct 2026
Decision level
Delegated decision
Applicant
Show
Agent
Bell Cornwell LLP

Consultation & key dates

Statutory expiry
6 Oct 2026
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Major dwellings

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

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.