Postcode record · Barnet
HA8 9TX.
HA8 9TX has 18 known premises and 25 planning records — 14 approved of 22 decided (63.6%). 11 EPC records.
Postcode HA8 9TX · boundary not held, centred on the postcodeApprovedRefusedOther25 exact25 on the map — every match
At a glance · this postcodeBarnet profile →
18
Premises
known addresses (UPRNs)
25
Applications
22 decided
63.6%
Approval rate
14 approved · 8 refused
11
EPC records
ratings D 7 · E 2 · F 2
25
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?
HA8 9TX has 18 known premises and 25 planning records — 14 approved of 22 decided (63.6%). 11 EPC records.
Premises
Name
Details
UPRN 200063092
UPRN 200063093
UPRN 200063094
UPRN 200063096
UPRN 200063098
UPRN 200063100
UPRN 200063102
UPRN 200063104
UPRN 200063106
UPRN 200063108
UPRN 200063092
UPRN 200063093
UPRN 200063094
Show all 10 rows
UPRN 200063096
UPRN 200063098
UPRN 200063100
UPRN 200063102
UPRN 200063104
UPRN 200063106
UPRN 200063108
Planning
What happened?
25 planning applications across the postcode; 14 approved of 22 decided (63.6%). Latest 25 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey front extension. Part single, part two storey side and rear extension with new patio area
31 Highview Avenue Edgware HA8 9TX · premises record
Householder Application
Unknown
2026-05-29
Roof extension involving rear dormer window and 2no. front facing rooflights. Erection of a rear outbuilding
31 Highview Avenue Edgware HA8 9TX · premises record
Proposed Lawful Development Certificate
Approved
2026-04-10
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following the partial demolition the existing side/rear extension
31 Highview Avenue Edgware HA8 9TX · premises record
Prior Notification (Householder)
Refused
2026-04-10
Part single, part two storey side extension. Roof extension involving hip to gable, rear dormer with juliette balcony, 2no. front facing rooflights and new side gable window following the demolition of the pitched roof of the first floor rear projection. New front porch. Removal of a chimney. Alterations to existing rear extension fenestration
7 Highview Avenue Edgware HA8 9TX · premises record
Householder
Refused
2026-03-26
Roof extension involving hip to gable, rear dormer with juliette balcony, 2no. front facing rooflights and new side gable window following the demolition of the pitched roof of the first floor rear projection. New front porch. Removal of a chimney. Alterations to existing rear extension fenestration (AMENDED DESCRIPTION)
7 Highview Avenue Edgware HA8 9TX · premises record
Proposed Lawful Development Certificate
Approved
2026-02-02
Single storey front extension and part single, part two storey side extension following demolition of existing garage. Alterations and extension to roof including hip to gable, rear dormer window with juliette balcony and 4no. rooflights to front roofslope. Addition of patio doors to ground floor rear elevation
7 Highview Avenue Edgware HA8 9TX · premises record
Householder Application
Refused
2025-12-01
Part single, part two storey front, side and rear extensions with new terrace area following demolition of the existing garage. Roof extension involving hip to gable and new side windows
25 Highview Avenue Edgware HA8 9TX · premises record
Householder Application
Approved
2024-12-23
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
25 Highview Avenue Edgware HA8 9TX · premises record
Proposed Lawful Development Certificate
Approved
2024-10-07
Part single, part two storey front, side and rear extensions with new terrace area following demolition of the existing garage. Roof extension involving hip to gable and 1no. front facing rooflight. Changes to fenestration
25 Highview Avenue Edgware HA8 9TX · premises record
Householder Application
Refused
2024-10-07
Single storey side extension. Roof extension, including, hip to gable, rear dormer window and 2no. rooflights to front roofslope. Conversion of existing garage into habitable room
31 Highview Avenue Edgware HA8 9TX · premises record
Proposed Lawful Development Certificate
Refused
2019-12-02
Single storey front extension. Part single, part two storey side and rear extension with new patio area
31 Highview Avenue Edgware HA8 9TX · premises record
Unknown
2026-05-29
More
Householder Application
Roof extension involving rear dormer window and 2no. front facing rooflights. Erection of a rear outbuilding
31 Highview Avenue Edgware HA8 9TX · premises record
Approved
2026-04-10
More
Proposed Lawful Development Certificate
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.44 metres and eaves height of 3.00 metres, following the partial demolition the existing side/rear extension
31 Highview Avenue Edgware HA8 9TX · premises record
Refused
2026-04-10
More
Prior Notification (Householder)
Show all 10 rows
Part single, part two storey side extension. Roof extension involving hip to gable, rear dormer with juliette balcony, 2no. front facing rooflights and new side gable window following the demolition of the pitched roof of the first floor rear projection. New front porch. Removal of a chimney. Alterations to existing rear extension fenestration
7 Highview Avenue Edgware HA8 9TX · premises record
Refused
2026-03-26
More
Householder
Roof extension involving hip to gable, rear dormer with juliette balcony, 2no. front facing rooflights and new side gable window following the demolition of the pitched roof of the first floor rear projection. New front porch. Removal of a chimney. Alterations to existing rear extension fenestration (AMENDED DESCRIPTION)
7 Highview Avenue Edgware HA8 9TX · premises record
Approved
2026-02-02
More
Proposed Lawful Development Certificate
Single storey front extension and part single, part two storey side extension following demolition of existing garage. Alterations and extension to roof including hip to gable, rear dormer window with juliette balcony and 4no. rooflights to front roofslope. Addition of patio doors to ground floor rear elevation
7 Highview Avenue Edgware HA8 9TX · premises record
Refused
2025-12-01
More
Householder Application
Part single, part two storey front, side and rear extensions with new terrace area following demolition of the existing garage. Roof extension involving hip to gable and new side windows
25 Highview Avenue Edgware HA8 9TX · premises record
Approved
2024-12-23
More
Householder Application
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
25 Highview Avenue Edgware HA8 9TX · premises record
Approved
2024-10-07
More
Proposed Lawful Development Certificate
Part single, part two storey front, side and rear extensions with new terrace area following demolition of the existing garage. Roof extension involving hip to gable and 1no. front facing rooflight. Changes to fenestration
25 Highview Avenue Edgware HA8 9TX · premises record
Refused
2024-10-07
More
Householder Application
Single storey side extension. Roof extension, including, hip to gable, rear dormer window and 2no. rooflights to front roofslope. Conversion of existing garage into habitable room
31 Highview Avenue Edgware HA8 9TX · premises record
Refused
2019-12-02
More
Proposed Lawful Development Certificate
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 18 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Named on the latest 25 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Development
What could it become?
Planning precedent25 applications and 25 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings D: 7, E: 2, F: 2.
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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
6 intent signals recorded in this postcode
Listing pulled · EPC F/G · Long hold
Subscribe to see the signals →Thinking about a project here?
How long would a planning application take here? →
Barnet's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Barnet, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.