Planning Atlas
AtlasPostcodeHA74LT
Dev
Session
Tier
Planning AtlasBarnetEdgware wardHA7 4LT
Postcode record · Barnet

HA7 4LT.

HA7 4LT has 24 known premises and 50 planning records — 39 approved of 50 decided (78%). 17 EPC records.

BarnetEdgwareHA7 4LT
Postcode HA7 4LT · boundary not held, centred on the postcodeApprovedRefusedOther51 on the map — every match
At a glance · this postcodeBarnet profile →
24
Premises
known addresses (UPRNs)
50
Applications
50 decided
78%
Approval rate
39 approved · 7 refused
56 days
Median decision time
average 66 days · 50 dated decisions
17
EPC records
ratings C 3 · D 10 · E 1 · F 3
51
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property

What is it?

HA7 4LT has 24 known premises and 50 planning records — 39 approved of 50 decided (78%). 17 EPC records.

Premises (18 of 24 shown)

Planning

What happened?

50 planning applications across the postcode; 39 approved of 50 decided (78%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a rear outbuilding
36 Brockley Avenue Stanmore HA7 4LT · premises record
Proposed Lawful Development Certificate
Approved
2026-05-18
Erection of a rear outbuilding
44 Brockley Avenue Stanmore HA7 4LT · premises record
Proposed Lawful Development Certificate
Approved
2026-05-18
Two storey side extension following demolition of existing garage. Part single, part two storey rear extension with 3nos. rooflight to ground floor flat roof. Part single, part two storey front extension. Alterations and extension to roof including raising of main ridge height, rear gable feature, side dormer, front and side facing rooflights, and removal of chimneys. Installation of 9 no. solar panels to side roof slope. Fenestration changes including rear Juliette balcony, replacement of existing windows, and replacement of side ground door with a window
25 Brockley Avenue Stanmore HA7 4LT · premises record
Householder Application
Refused
2025-03-31
Roof extension with dormer windows to both sides and rear and 1no. front facing rooflight. Removal of chimneys. Single storey rear extension. Conversion of existing garage into a habitable room, insertion of window to replace garage door
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Cheryl Yeung
Proposed Lawful Development Certificate
Approved
2025-03-31
Two storey side extension following demolition of existing garage. Part single, part two storey rear extension with 2nos. rooflight to ground floor flat roof. Part single, part two storey front extension. Alterations and extension to roof including raising of main ridge height, rear dormer, side dormer, front and side facing rooflights, and removal of chimneys. Fenestration changes including rear Juliette balcony, replacement of existing windows, and removal of side ground floor window.
25 Brockley Avenue Stanmore HA7 4LT · premises record
Householder Application
Approved
2023-12-05
Single storey rear extension
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Thomas Wong
Proposed Lawful Development Certificate
Approved
2023-10-26
Two storey side and rear extension following demolition of existing garage. Part single, part two storey front extension. Alterations and extension to roof including raising of main ridge height, rear dormer, side dormer, front and side facing rooflights, and removal of chimney. Fenestration changes including rear Juliette balcony, replacement of existing windows, and removal of side ground floor window
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Greta Norton
Householder Application
Approved
2023-08-23
Part single, part two storey front, side and rear extension following demolition of the existing summerhouse and office. Roof extension involving rear dormer window and 2no. front facing rooflights
45 Brockley Avenue Stanmore HA7 4LT · premises record
Householder Application
Approved
2023-08-03
Single storey rear extension with a depth of 7.50m, maximum height of 3.00m and eaves height of 2.81m
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Thomas Wong
Prior Notification (Householder)
Not required
2023-06-22
Single storey rear extension with a depth of 7.5m, maximum height of 3m and eaves height of 2.81m
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Thomas Wong
Prior Notification (Householder)
Refused
2023-05-17
Erection of a rear outbuilding
36 Brockley Avenue Stanmore HA7 4LT · premises record
Approved
2026-05-18
More
Proposed Lawful Development Certificate
Erection of a rear outbuilding
44 Brockley Avenue Stanmore HA7 4LT · premises record
Approved
2026-05-18
More
Proposed Lawful Development Certificate
Two storey side extension following demolition of existing garage. Part single, part two storey rear extension with 3nos. rooflight to ground floor flat roof. Part single, part two storey front extension. Alterations and extension to roof including raising of main ridge height, rear gable feature, side dormer, front and side facing rooflights, and removal of chimneys. Installation of 9 no. solar panels to side roof slope. Fenestration changes including rear Juliette balcony, replacement of existing windows, and replacement of side ground door with a window
25 Brockley Avenue Stanmore HA7 4LT · premises record
Refused
2025-03-31
More
Householder Application
Show all 10 rows
Roof extension with dormer windows to both sides and rear and 1no. front facing rooflight. Removal of chimneys. Single storey rear extension. Conversion of existing garage into a habitable room, insertion of window to replace garage door
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Cheryl Yeung
Approved
2025-03-31
More
Proposed Lawful Development Certificate
Two storey side extension following demolition of existing garage. Part single, part two storey rear extension with 2nos. rooflight to ground floor flat roof. Part single, part two storey front extension. Alterations and extension to roof including raising of main ridge height, rear dormer, side dormer, front and side facing rooflights, and removal of chimneys. Fenestration changes including rear Juliette balcony, replacement of existing windows, and removal of side ground floor window.
25 Brockley Avenue Stanmore HA7 4LT · premises record
Approved
2023-12-05
More
Householder Application
Single storey rear extension
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Thomas Wong
Approved
2023-10-26
More
Proposed Lawful Development Certificate
Two storey side and rear extension following demolition of existing garage. Part single, part two storey front extension. Alterations and extension to roof including raising of main ridge height, rear dormer, side dormer, front and side facing rooflights, and removal of chimney. Fenestration changes including rear Juliette balcony, replacement of existing windows, and removal of side ground floor window
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Greta Norton
Approved
2023-08-23
More
Householder Application
Part single, part two storey front, side and rear extension following demolition of the existing summerhouse and office. Roof extension involving rear dormer window and 2no. front facing rooflights
45 Brockley Avenue Stanmore HA7 4LT · premises record
Approved
2023-08-03
More
Householder Application
Single storey rear extension with a depth of 7.50m, maximum height of 3.00m and eaves height of 2.81m
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Thomas Wong
Not required
2023-06-22
More
Prior Notification (Householder)
Single storey rear extension with a depth of 7.5m, maximum height of 3m and eaves height of 2.81m
25 Brockley Avenue Stanmore HA7 4LT · premises record
Officer Thomas Wong
Refused
2023-05-17
More
Prior Notification (Householder)

Building control

Building-control records are not yet collected for Barnet — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

Every mapped designation touching a premises in this postcode, with how many of its 24 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 24 of 24 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
It is conventionally assumed that prehistoric settlements favour lighter well drained soils and not heavy London Clay, but there is evidence of the land being utilised around Bury Farm. It is likely that a settlement developed around the lighter woode · reference 78037 · covers 23 of 24 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 24 of 24 premises. Some normally permitted changes may require planning permission.
Archaeological Priority Area
It is conventionally assumed that prehistoric settlements favour lighter well drained soils and not heavy London Clay, but there is evidence of the land being utilised around Bury Farm. It is likely that a settlement developed around the lighter woode · reference 78037 · covers 23 of 24 premises. Groundworks may require archaeological assessment or investigation.

Nearby postcodes and streets

Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).

Brockley Hill0 mProw Footpath H26 Pipers Green Lane (End) To Spur Road Roundabout1 mBrockley Avenue4 mPipers Green Lane15 mProw Rbw Footpath H27 From Brockley Hill To Pipers Green Lane Footpath H2615 m
People

Who is involved?

Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Case officer on 6 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 6 applications
Case officer on 3 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent50 applications and 51 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 3, D: 10, E: 1, F: 3.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.

Intent signals

Planning Atlas Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

4 intent signals recorded in this postcode
EPC F/G · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
HA7 4LT, Barnet: planning and property history | Planning Atlas