Postcode record · Barnet
NW4 1HT.
NW4 1HT has 14 known premises and 23 planning records — 16 approved of 23 decided (69.6%). 6 EPC records.
Postcode NW4 1HT · boundary not held, centred on the postcodeApprovedRefusedOther23 exact23 on the map — every match
At a glance · this postcodeBarnet profile →
14
Premises
known addresses (UPRNs)
23
Applications
23 decided
69.6%
Approval rate
16 approved · 5 refused
6
EPC records
ratings C 2 · E 4
23
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?
NW4 1HT has 14 known premises and 23 planning records — 16 approved of 23 decided (69.6%). 6 EPC records.
Premises
Name
Details
UPRN 200021294
UPRN 200021296
UPRN 200021298
UPRN 200021300
UPRN 200021302
UPRN 200021304
UPRN 200021306
UPRN 200021308
UPRN 200021310
UPRN 200021312
UPRN 200021294
UPRN 200021296
UPRN 200021298
Show all 10 rows
UPRN 200021300
UPRN 200021302
UPRN 200021304
UPRN 200021306
UPRN 200021308
UPRN 200021310
UPRN 200021312
Planning
What happened?
23 planning applications across the postcode; 16 approved of 23 decided (69.6%). Latest 23 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension, including hip to gable, rear dormer window and 3no rooflights to front roofslope. Removal of chimney stack
6 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mrs Elizabeth Galpert · Agent Drawing and Planning Ltd
Proposed Lawful Development Certificate
Approved
2019-06-12
Removal of existing chimney
8 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mr J. Och · Agent Drawing and Planning Ltd
Proposed Lawful Development Certificate
Approved
2019-06-12
Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights
6 Chatsworth Avenue London NW4 1HT · premises record
Proposed Lawful Development Certificate
Approved
2019-01-25
Single storey front extension, incorporating a porch. Single storey rear extension.
4 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mrs Mitra Nia · Officer Wilf Foster
Householder Application
Approved
2019-01-14
Single storey rear extension with a proposed depth of 5 metres from original rear wall, eaves height of 2.695 metres and maximum height of 2.625 metres.
4 Chatsworth Avenue London NW4 1HT · premises record
Prior Notification (Householder)
Refused
2019-01-14
Single storey side and rear extension
22 Chatsworth Avenue London NW4 1HT · premises record
Householder Application
Approved
2018-12-24
Single storey rear extension and conversion of garage into habitable room including replacement of garage door to window
12 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mr & Mrs David & Emma Avivi · Agent Ben Lumley Architect
Householder Application
Approved
2017-10-04
Extension to roof including hip to gable end, rear dormer window and 1no roof light to front elevation and 1No. side gable window. Single storey rear extension
12 Chatsworth Avenue London NW4 1HT · premises record
—
Approved
2017-09-27
Erection of single storey outbuilding to rear
18 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mr Calvin Biss · Agent Form London Limited
Proposed Lawful Development Certificate
Approved
2017-05-02
Single storey rear extension. Conversion of garage into habitable room, insertion of window to replace garage door. Roof extension involving hip to gable, rear dormer window with 3no. rooflights to front elevation to facilitate a loft conversion
22 Chatsworth Avenue London NW4 1HT · premises record
Householder Application
Refused
2016-07-12
Roof extension, including hip to gable, rear dormer window and 3no rooflights to front roofslope. Removal of chimney stack
6 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mrs Elizabeth Galpert · Agent Drawing and Planning Ltd
Approved
2019-06-12
More
Proposed Lawful Development Certificate
Removal of existing chimney
8 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mr J. Och · Agent Drawing and Planning Ltd
Approved
2019-06-12
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights
6 Chatsworth Avenue London NW4 1HT · premises record
Approved
2019-01-25
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey front extension, incorporating a porch. Single storey rear extension.
4 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mrs Mitra Nia · Officer Wilf Foster
Approved
2019-01-14
More
Householder Application
Single storey rear extension with a proposed depth of 5 metres from original rear wall, eaves height of 2.695 metres and maximum height of 2.625 metres.
4 Chatsworth Avenue London NW4 1HT · premises record
Refused
2019-01-14
More
Prior Notification (Householder)
Single storey side and rear extension
22 Chatsworth Avenue London NW4 1HT · premises record
Approved
2018-12-24
More
Householder Application
Single storey rear extension and conversion of garage into habitable room including replacement of garage door to window
12 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mr & Mrs David & Emma Avivi · Agent Ben Lumley Architect
Approved
2017-10-04
More
Householder Application
Extension to roof including hip to gable end, rear dormer window and 1no roof light to front elevation and 1No. side gable window. Single storey rear extension
12 Chatsworth Avenue London NW4 1HT · premises record
Approved
2017-09-27
More
—
Erection of single storey outbuilding to rear
18 Chatsworth Avenue London NW4 1HT · premises record
Applicant Mr Calvin Biss · Agent Form London Limited
Approved
2017-05-02
More
Proposed Lawful Development Certificate
Single storey rear extension. Conversion of garage into habitable room, insertion of window to replace garage door. Roof extension involving hip to gable, rear dormer window with 3no. rooflights to front elevation to facilitate a loft conversion
22 Chatsworth Avenue London NW4 1HT · premises record
Refused
2016-07-12
More
Householder Application
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 14 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 14 of 14 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 14 of 14 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).
Chatsworth Avenue0 mChatsworth Close8 mMeadow Drive37 mGreat North Way Access Road 2 - From Ashley Lane To Sunny Gardens Road43 mRowsley Avenue43 mGreat North Way51 m
People
Who is involved?
Named on the latest 23 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent23 applications and 23 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 2, E: 4.
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.
4 intent signals recorded in this postcode
Price decline · Repeat sale · Long hold · Ageing director
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.