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Planning guide · Harrow

Harrow listed buildings: the Hill, Pinner and Stanmore

How Listed Building Consent works in Harrow, when you need it, and how to get a sensitive design approved.

Quick answer

Borough
Harrow
Planning authority
Harrow Council
Conservation areas
29
Statutory determination
8 weeks
Our approval rate
98% first time

London period house exterior with architectural character — architectural drawings in Harrow
In detail

Answers for Harrow

Does Harrow have listed buildings?

Yes. Harrow has hundreds of listed buildings, particularly in Harrow on the Hill, Pinner Village, Stanmore, Harrow Weald. Listed Building Consent is required for any work affecting character — internal or external.

What's the difference between planning permission and Listed Building Consent?

Planning permission concerns the visual and use impact on the surroundings. Listed Building Consent concerns the heritage value of the building itself — fabric, features, character. Most listed-building works need both.

How long does Listed Building Consent take in Harrow?

8 weeks statutory, but with conservation officer and Historic England consultation, expect 12–16 weeks. Grade I and Grade II* always involve Historic England.

What's involved in a listed building application?

Detailed measured survey, existing-condition drawings, proposed drawings, Heritage Statement, materials specification, and a justification for every change. Photographs of every affected feature.

Can I refuse internal change permission for a listed building?

No. Listed status protects internal features as well — period plasterwork, joinery, fireplaces, staircases. Removal without consent is a criminal offence.

Related guides for Harrow
Listed building consent in Harrow — the exterior of London house before works
The exterior of a london house before works — listed building consent in Harrow.
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Where in Harrow does a listed building consent application actually get determined?

Every Harrow postcode district we draw in, the stock that dominates it and the authority that validates a listed building consent application there. Harrow fees below are the statutory England rates for 2026, not listed building consent application estimates.

PostcodeAreaDominant stockWhat it means for a listed building consent application
HA1Harrow / Harrow on the HillGeorgian and Victorian houses, listed buildingsA listed building consent application at an HA1 address in Harrow / Harrow on the Hill is determined by Harrow Council under its own Local Plan policies for Harrow / Harrow on the Hill.
HA2North Harrow / South Harrow1930s semi-detachedA listed building consent application at an HA2 address in North Harrow / South Harrow is determined by Harrow Council under its own Local Plan policies for North Harrow / South Harrow.
HA3Harrow Weald / Kenton / Wealdstone1930s semi-detachedA listed building consent application at an HA3 address in Harrow Weald / Kenton / Wealdstone is determined by Harrow Council under its own Local Plan policies for Harrow Weald / Kenton / Wealdstone.
HA7Stanmore1930s semi-detached, Edwardian villasStanmore sits wholly inside HA7, so Harrow Council validates every listed building consent application submitted from an HA7 address.
HA5Pinner / EastcoteTudor fragments, Edwardian villas, 1930s semi-detachedA listed building consent application in Pinner / Eastcote may land with Hillingdon Council or Harrow Council — HA5 crosses the boundary, and the HA5 policies map decides it street by street.

Which Harrow neighbourhoods suit a listed building consent application best?

Roof pitch, wall build-up and plot depth change every few Harrow streets, and each one changes what a listed building consent application can achieve at that address.

What local planning policy applies to a listed building consent application in Harrow?

Harrow conservation designations: there are 29 across Harrow Council, Harrow Weald, Harrow on the Hill, Pinner Village among them. Designation costs a Harrow owner the permitted-development route: a listed building consent application then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Pinner Village is the Harrow designation that most often changes a listed building consent application design.

Harrow permitted development status: there is no borough-wide direction from Harrow Council, so a listed building consent application at a HA1 address is normally still permitted development. We certify that with a £274 Lawful Development Certificate rather than leaving a Harrow sale to argue it later.

Harrow housing stock: 1930s semi-detached dominates; Edwardian villas in Harrow on the Hill and Pinner; Metropolitan Green Belt in Stanmore and Harrow Weald; post-war flats around Harrow Central. Outer north-west London suburban; Harrow on the Hill has exceptionally strict heritage controls; rest of borough permissive. Read that before choosing a listed building consent application route in Harrow — construction, not postcode, sets what is achievable.

Which neighbouring authorities border Harrow?

Sources for this Harrow listed building consent application page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — listed building consent in Harrow
Every set is checked line by line against the validation checklist before it leaves the office.

What does the record show for Harrow?

Harrow has not published a listed-building layer to the national register, so the count has to come from Historic England. The designations cluster on Harrow on the Hill and in Pinner Village.

29conservation areas, where unlisted buildings are still controlled
Harrow planning record, 2023 Q2 to 2026 Q1
MeasureHarrowContext
Conservation areas29the council's own published figure

Harrow has not published a listed-building layer to the national register, so no count is shown here -- check the address against Historic England's list.

This council's return for certificates of lawfulness on listed-building works lands entirely in one quarter, which is a filing pattern rather than a workload, so no figure is quoted.

Sources: MHCLG District Planning Application Statistics (PS1/PS2) and the MHCLG Planning Data Platform registers, covering 2023 Q2 to 2026 Q1. Contains public sector information licensed under the Open Government Licence v3.0.

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