Postcode record · Barnet
NW4 3QA.
NW4 3QA has 33 known premises and 23 planning records — 18 approved of 23 decided (78.3%). 19 EPC records.
Postcode NW4 3QA · boundary not held, centred on the postcodeApprovedRefusedOther23 exact1 approximate24 on the map — every match
At a glance · this postcodeBarnet profile →
33
Premises
known addresses (UPRNs)
23
Applications
23 decided
78.3%
Approval rate
18 approved · 5 refused
19
EPC records
ratings C 6 · D 11 · E 2
24
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 3QA has 33 known premises and 23 planning records — 18 approved of 23 decided (78.3%). 19 EPC records.
Premises (18 of 33 shown)
Name
Details
UPRN 200083302
UPRN 200083305
UPRN 200083306
UPRN 200083309
UPRN 200083314
UPRN 200083316
UPRN 200083319
UPRN 200083321
UPRN 200083323
UPRN 200083325
UPRN 200083302
UPRN 200083305
UPRN 200083306
Show all 10 rows
UPRN 200083309
UPRN 200083314
UPRN 200083316
UPRN 200083319
UPRN 200083321
UPRN 200083323
UPRN 200083325
Planning
What happened?
23 planning applications across the postcode; 18 approved of 23 decided (78.3%). Latest 23 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Conversion of the existing first floor flat into 2no self-contained flats including roof extension including two rear dormer windows and 2no rooflights to front roof slope.
First Floor Flat 23 Mount Road London NW4 3QA · premises record
Applicant Balmon Properties Limited · Agent The Gillett Macleod Partnership · Officer Anestis Skoupras
Full Application
Approved
2022-12-09
Conversion of the existing first floor flat into 2no self-contained flats including roof extension including two rear dormer windows and 2no rooflights to front roofslope
23 Mount Road London NW4 3QA · premises record
Applicant Balmon Properties Limited · Agent The Gillett Macleod Partnership
Full Application
Approved
2019-08-12
Single storey side extension
Ground Floor Flat 35 Mount Road London NW4 3QA · premises record
Full Application
Approved
2016-07-20
Roof extension including two rear dormer windows and 2no. rooflights to front roofslope and conversion of existing first floor flat into 2no. self-contained flats
First Floor Flat 23A Mount Road London NW4 3QA · premises record
Applicant Mr Balmon Properties Limited · Agent Gillet Macleod Partnership
Full Application
Approved
2016-07-07
Non material amendment to planning permission 16/1056/FUL dated 25/05/16 for `Roof extension including two rear dormer windows and 1no. rooflight to front roofslope and conversion of existing first floor flat into 2no. self-contained flats` amendment includes changes to construction of dormer to improve headroom internally
First Floor Flat 23A Mount Road London NW4 3QA · premises record
Applicant Balmon Properties Limited · Agent The Gillett Macleod Partnership
Non Material Amendment
Refused
2016-06-16
Roof extension including two rear dormer windows and 1no. rooflight to front roofslope and conversion of existing first floor flat into 2no. self-contained flats
First Floor Flat 23A Mount Road London NW4 3QA · premises record
Applicant Not disclosed · Agent Gillet Macleod Partnership
Full Application
Approved
2016-02-18
Single storey rear extension with internal alterations to provide an additional bedroom to the ground floor flat. New shed in the rear gardenand external alterations.
Ground Floor Flat 33 Mount Road, London, NW4 3QA · premises record
Full Application
Approved
2012-03-05
Submission of details of Conditions 4 (refuse) 5 (sound insulation) 6 (education) 7 (noise mitigation) pursuant to planning permission H/03438/08.
21 Mount Road, London, NW4 3QA · premises record
Applicant Mr G Maddalena · Agent B S Associates Chartered Architects
Conditions
Approved
2009-05-11
Conversion of property in 3No. self contained flats.
21 Mount Road, London, NW4 3QA · premises record
Full Application
Approved
2008-09-15
Conversion of attic rooms to a self-contained flat (to be used for a non-car owner).
31 Mount Road London NW4 3QA · premises record
Applicant Mr G. Maddalena
Full Application
Approved
2006-02-17
Conversion of the existing first floor flat into 2no self-contained flats including roof extension including two rear dormer windows and 2no rooflights to front roof slope.
First Floor Flat 23 Mount Road London NW4 3QA · premises record
Applicant Balmon Properties Limited · Agent The Gillett Macleod Partnership · Officer Anestis Skoupras
Approved
2022-12-09
More
Full Application
Conversion of the existing first floor flat into 2no self-contained flats including roof extension including two rear dormer windows and 2no rooflights to front roofslope
23 Mount Road London NW4 3QA · premises record
Applicant Balmon Properties Limited · Agent The Gillett Macleod Partnership
Approved
2019-08-12
More
Full Application
Single storey side extension
Ground Floor Flat 35 Mount Road London NW4 3QA · premises record
Approved
2016-07-20
More
Full Application
Show all 10 rows
Roof extension including two rear dormer windows and 2no. rooflights to front roofslope and conversion of existing first floor flat into 2no. self-contained flats
First Floor Flat 23A Mount Road London NW4 3QA · premises record
Applicant Mr Balmon Properties Limited · Agent Gillet Macleod Partnership
Approved
2016-07-07
More
Full Application
Non material amendment to planning permission 16/1056/FUL dated 25/05/16 for `Roof extension including two rear dormer windows and 1no. rooflight to front roofslope and conversion of existing first floor flat into 2no. self-contained flats` amendment includes changes to construction of dormer to improve headroom internally
First Floor Flat 23A Mount Road London NW4 3QA · premises record
Applicant Balmon Properties Limited · Agent The Gillett Macleod Partnership
Refused
2016-06-16
More
Non Material Amendment
Roof extension including two rear dormer windows and 1no. rooflight to front roofslope and conversion of existing first floor flat into 2no. self-contained flats
First Floor Flat 23A Mount Road London NW4 3QA · premises record
Applicant Not disclosed · Agent Gillet Macleod Partnership
Approved
2016-02-18
More
Full Application
Single storey rear extension with internal alterations to provide an additional bedroom to the ground floor flat. New shed in the rear gardenand external alterations.
Ground Floor Flat 33 Mount Road, London, NW4 3QA · premises record
Approved
2012-03-05
More
Full Application
Submission of details of Conditions 4 (refuse) 5 (sound insulation) 6 (education) 7 (noise mitigation) pursuant to planning permission H/03438/08.
21 Mount Road, London, NW4 3QA · premises record
Applicant Mr G Maddalena · Agent B S Associates Chartered Architects
Approved
2009-05-11
More
Conditions
Conversion of property in 3No. self contained flats.
21 Mount Road, London, NW4 3QA · premises record
Approved
2008-09-15
More
Full Application
Conversion of attic rooms to a self-contained flat (to be used for a non-car owner).
31 Mount Road London NW4 3QA · premises record
Applicant Mr G. Maddalena
Approved
2006-02-17
More
Full 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 33 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 33 of 33 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 33 of 33 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 23 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 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 3 applications
Applicant on 2 applications
Applicant on 2 applications
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 24 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy19 EPC records; ratings C: 6, D: 11, E: 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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.