Postcode record · Barnet
NW4 3PU.
NW4 3PU has 55 known premises and 30 planning records — 19 approved of 29 decided (65.5%). 28 EPC records.
Postcode NW4 3PU · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeBarnet profile →
55
Premises
known addresses (UPRNs)
30
Applications
29 decided
65.5%
Approval rate
19 approved · 8 refused
28
EPC records
ratings B 1 · C 10 · D 14 · E 3
30
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 3PU has 55 known premises and 30 planning records — 19 approved of 29 decided (65.5%). 28 EPC records.
Premises (18 of 55 shown)
Name
Details
UPRN 200083303
UPRN 200083304
UPRN 200083307
UPRN 200083308
UPRN 200083311
UPRN 200083312
UPRN 200083313
UPRN 200083315
UPRN 200083317
UPRN 200083318
UPRN 200083303
UPRN 200083304
UPRN 200083307
Show all 10 rows
UPRN 200083308
UPRN 200083311
UPRN 200083312
UPRN 200083313
UPRN 200083315
UPRN 200083317
UPRN 200083318
Planning
What happened?
30 planning applications across the postcode; 19 approved of 29 decided (65.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Change of use of existing ground floor flat from Class C3 single family dwelling to Class C4 house in multiple occupation (HMO) for 3 persons
Flat 1 18 Mount Road London NW4 3PU · premises record
Full Application
Pending Decision
2025-11-04
Roof extension involving rear dormer window, and new side windows
2 Mount Road London NW4 3PU · premises record
Proposed Lawful Development Certificate
Approved
2024-07-18
Increase to the existing front vehicular access
22 Mount Road London NW4 3PU · premises record
Full Application
Approved
2024-07-09
Submission of detail of condition 5 (Pre-completion Sound Insulation Test) pursuant to planning permission 22/5974/FUL dated 27/03/2023
20 Mount Road London NW4 3PU · premises record
—
Approved
2023-04-21
Submission of details of condition 4 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 22/3474/FUL dated 01/09/22
18 Mount Road London NW4 3PU · premises record
Conditions
Approved
2023-03-30
Submission of details of condition 6 (Refuse and recycling store) pursuant to planning permission 22/5974/FUL dated 27/03/2023
20 Mount Road London NW4 3PU · premises record
Conditions
Approved
2023-03-29
Submission of details of condition 6 (refuse and recycling) and condition 7 (Cycle parking/storage) pursuant to planning permission 22/3474/FUL dated 03/03/2022 (amended description)
18 Mount Road London NW4 3PU · premises record
Conditions
Approved
2023-02-08
The retention of single storey side and rear extension. The proposed conversion of single dwelling house to create 3no. self-contained flats, new rear patio area and associated bin and bicycle storage area. (AMENDED DESCRIPTION AND PLANS).
20 Mount Road London NW4 3PU · premises record
Full Application
Approved
2022-12-16
Conversion of the existing dwelling into 3no. self-contained flats including single storey side and rear extension with new patio area. Associated refuse/recycling and cycle storage
20 Mount Road London NW4 3PU · premises record
Full
Withdrawn
2022-10-10
Roof extension involving hip to gable, rear dormer window and rear dormer to existing outrigger. 4no. front facing rooflights
20 Mount Road London NW4 3PU · premises record
Proposed Lawful Development Certificate
Approved
2022-08-26
Change of use of existing ground floor flat from Class C3 single family dwelling to Class C4 house in multiple occupation (HMO) for 3 persons
Flat 1 18 Mount Road London NW4 3PU · premises record
Pending Decision
2025-11-04
More
Full Application
Roof extension involving rear dormer window, and new side windows
2 Mount Road London NW4 3PU · premises record
Approved
2024-07-18
More
Proposed Lawful Development Certificate
Increase to the existing front vehicular access
22 Mount Road London NW4 3PU · premises record
Approved
2024-07-09
More
Full Application
Show all 10 rows
Submission of detail of condition 5 (Pre-completion Sound Insulation Test) pursuant to planning permission 22/5974/FUL dated 27/03/2023
20 Mount Road London NW4 3PU · premises record
Approved
2023-04-21
More
—
Submission of details of condition 4 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 22/3474/FUL dated 01/09/22
18 Mount Road London NW4 3PU · premises record
Approved
2023-03-30
More
Conditions
Submission of details of condition 6 (Refuse and recycling store) pursuant to planning permission 22/5974/FUL dated 27/03/2023
20 Mount Road London NW4 3PU · premises record
Approved
2023-03-29
More
Conditions
Submission of details of condition 6 (refuse and recycling) and condition 7 (Cycle parking/storage) pursuant to planning permission 22/3474/FUL dated 03/03/2022 (amended description)
18 Mount Road London NW4 3PU · premises record
Approved
2023-02-08
More
Conditions
The retention of single storey side and rear extension. The proposed conversion of single dwelling house to create 3no. self-contained flats, new rear patio area and associated bin and bicycle storage area. (AMENDED DESCRIPTION AND PLANS).
20 Mount Road London NW4 3PU · premises record
Approved
2022-12-16
More
Full Application
Conversion of the existing dwelling into 3no. self-contained flats including single storey side and rear extension with new patio area. Associated refuse/recycling and cycle storage
20 Mount Road London NW4 3PU · premises record
Withdrawn
2022-10-10
More
Full
Roof extension involving hip to gable, rear dormer window and rear dormer to existing outrigger. 4no. front facing rooflights
20 Mount Road London NW4 3PU · premises record
Approved
2022-08-26
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 55 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 55 of 55 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 55 of 55 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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 9 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 11 applications
Agent on 1 application
Agent on 1 application
Case officer on 3 applications
Case officer on 2 applications
Applicant on 9 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 11 applications
Agent on 1 application
Agent on 1 application
Case officer on 3 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent30 applications and 30 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy28 EPC records; ratings B: 1, C: 10, D: 14, E: 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
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.
6 intent signals recorded in this postcode
Portfolio seller · Repeat sale · Price decline · Long hold
Subscribe to see the signals →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.