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Planning guide · Barnet

648 listed buildings sit in Barnet, many around Mill Hill

What Listed Building Consent covers in Barnet and when it is required — and what happens when the answer is no, which is a separate question decided by a different person. Two numbers frame it. The council granted 201 consents for the alteration or extension of listed buildings out of 220 it determined in the twelve quarters MHCLG has published. The Planning Inspectorate, over its own window, decided 2,648 Barnet appeals of every kind and allowed 1,022 of them, dismissing 1,626. The first decision usually goes your way; the second is nearer to even. Source: Planning Inspectorate appeal decisions

Quick answer

Borough
Barnet
Planning authority
Barnet Council
Conservation areas
20
Statutory determination
8 weeks
Our approval rate
98% first time

Architectural detail on a London period property — architectural drawings in Barnet

How many listed buildings does Barnet have?

The national register records 648 listed building outlines in Barnet, alongside 16 conservation areas covering about 1,243 hectares and 3,215 tree preservation zones — the second highest of the nine London boroughs that have published to that register. Listed building consent carries no fee. Unauthorised work to a listed building is a criminal offence.

MeasureBarnetLondon
Listed buildings in the register648
Conservation areas (national register)16 covering 1,243 ha1,141
Tree preservation zones in the register3,215second of the 9 boroughs in the tree register
Listed building consent feeno fee
Listed building consent appeals allowed28.5% of 852
Householder appeals involving a listed building9.8%
Householder appeals allowed after refusal49.1% of 92740.8% of 13,067

Sources: registers from the MHCLG Planning Data Platform, retrieved 1 September 2026, excluding revoked and superseded entries; appeal figures from Planning Inspectorate casework decided 2016–2026. Unauthorised works to a listed building are a criminal offence under section 9 of the Planning (Listed Buildings and Conservation Areas) Act 1990, and there is no time limit on enforcement.

In detail

Answers for Barnet

Does Barnet have listed buildings?

Yes, and in numbers. The listed stock clusters in Hampstead Garden Suburb and Mill Hill, with more of it at Hendon, Golders Green and Monken Hadley. Anything affecting the character of a listed building needs consent, inside or out, and a conservation officer reads character broadly — an internal door can matter more than a rear window.

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

The two consents answer different questions. Planning permission is about the effect of the work on its surroundings and on the use of the place. Listed Building Consent is about the fabric, the features, and the character that got the building listed to begin with. Work on a listed house in Barnet usually needs both, applied for together.

How long does Listed Building Consent take in Barnet?

Eight weeks is the statutory period; 12 to 16 is the realistic one here, because the conservation officer is consulted and, at Grade I and Grade II*, so is Historic England. That consultation is automatic at those grades rather than a matter of the council's discretion.

What's involved in a listed building application?

It starts with a detailed measured survey. Then two sets of drawings, one recording the building as found and one showing what is intended. A heritage statement. A list of every material to be used. And a justification that takes the changes one by one rather than in the round. Photographs of anything the work touches, taken beforehand.

Can I refuse internal change permission for a listed building?

No. Listing reaches inside the building as well: plasterwork, joinery, fireplaces, staircases, the things owners assume are theirs to strip out. Removing them without consent is an offence under the listed building legislation, prosecuted in the criminal courts rather than handled as a planning breach.

Related guides for Barnet
Listed building consent in Barnet — the exterior of London house before works
The exterior of a london house before works — listed building consent in Barnet.
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Which postcode districts around Barnet do we cover for listed building consent application work?

District by district across Barnet: what the housing is, who determines an application from it, and what the council charges for the privilege. The fees listed are 2026 statutory England rates and bear no relation to our own fee scale.

PostcodeAreaDominant stockWhat it means for a listed building consent application
N20Whetstone / Totteridge1930s semi-detached, Edwardian villasN20 covers Whetstone and Totteridge, both determined by Barnet under the borough's own Local Plan policies.
NW4Hendon1930s semi-detached, post-war flatsA listed building consent application at an NW4 address in Hendon is determined by Barnet Council under its own Local Plan policies for Hendon.
NW7Mill HillGeorgian villas, 1930s detached and semi-detachedNW7 covers Mill Hill only; Barnet Council handles the listed building consent application.
NW9Colindale / KingsburyPost-war flats, new-buildNW9 is shared: Colindale sits with Barnet and Kingsbury with Brent, so the street rather than the district decides who validates the drawings.
NW11Golders Green / Hampstead Garden SuburbArts & Crafts houses, Edwardian villasNW11 covers Golders Green / Hampstead Garden Suburb only; Barnet Council handles the listed building consent application.
EN4East Barnet / Cockfosters1930s semi-detached dominates; Edwardian villas in Muswell HillA listed building consent application in East Barnet / Cockfosters may land with Barnet Council or Enfield Council — EN4 crosses the boundary, and the EN4 policies map decides it street by street.
EN5Barnet / ArkleyGeorgian fragments, 1930s semi-detachedNot wholly. EN5 begins in Chipping Barnet but does not stop at the Greater London boundary, and a listed building standing on the Hertfordshire portion is consented by Hertsmere, not by Barnet. The listing is national — Historic England keeps the register and the grade belongs to the building wherever it stands — while the consent, the case officer and the heritage policy applied to the works all stop at that line. The address is what tells you which authority will read the application.
HA8Edgware / Burnt Oak1930s semi-detached, post-war flatsHA8 covers Edgware and Burnt Oak, both inside the borough, so Barnet determines the application under its own Local Plan.

How does a listed building consent application differ street by street across Barnet?

Two Barnet streets a quarter of a mile apart can differ in pitch, in wall construction and in garden depth, and each of those decides how far a heritage-sensitive design can go.

How do conservation areas and Article 4 affect a listed building consent application in Barnet?

Barnet conservation designations: 20 on the council's own list, among them Mill Hill, Monken Hadley and Hampstead Garden Suburb. Designation is what removes the permitted-development route, so work that would have gone through as a prior approval becomes a full application instead. The householder application fee in England is £548. The fee for a larger householder prior approval is £249. That difference is the price of the designation. Listed building consent is a separate consent on a separate form, and there the money works differently again — Listed building consent carries no application fee in England, though it does nothing to remove the planning fee on any application running beside it.

Article 4 and your Barnet listed building consent application: Barnet Council has made no borough-wide direction, so permitted development for a listed building consent application in Barnet generally survives outside Barnet conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a N2 owner records that a listed building consent application was lawful.

What Barnet is built from: 1930s semi-detached dominates; Edwardian villas in Muswell Hill, Finchley; Garden Suburb Arts & Crafts in Hampstead Garden Suburb; post-war flats in Colindale. Suburban outer-London borough; permitted development used heavily; Hampstead Garden Suburb has its own residents' trust with additional design controls. That mix decides the listed building consent application route in Barnet more than the postcode does.

What happens if a Barnet property sits on a boundary?

Sources for this Barnet 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 Barnet
Every set is checked line by line against the validation checklist before it leaves the office.

What does the record show for Barnet?

Barnet's listed stock is unusually spread out. Hampstead Garden Suburb concentrates it, but Mill Hill, Hendon and Totteridge each carry their own, so a designation here is rarely obvious from the street.

648listed buildings recorded on the national register
20conservation areas, where unlisted buildings are still controlled
Barnet planning record, 2023 Q2 to 2026 Q1
MeasureBarnetContext
Listed buildings on the register648MHCLG listed-building outlines, live entries only
Listed-works certificates issued0London issued 114 across all 33 boroughs
Conservation areas20the council's own published figure

Counts and rates cited here come out of MHCLG's PS1 and PS2 returns for this district, together with the registers published on the Planning Data Platform, for quarters running 2023 Q2 to 2026 Q1. Contains public sector information licensed under the Open Government Licence v3.0.

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