Planning Atlas
Planning AtlasBarnetFinchley Church End wardN3 3JB
Postcode record · Barnet

N3 3JB.

N3 3JB has 14 known premises and 9 planning records — 8 approved of 9 decided (88.9%). 6 EPC records.

Postcode N3 3JB · boundary not held, centred on the postcodeApprovedRefusedOther9 exact9 on the map — every match
At a glance · this postcodeBarnet profile →
14
Premises
known addresses (UPRNs)
9
Applications
9 decided
88.9%
Approval rate
8 approved · 0 refused
6
EPC records
ratings C 1 · D 4 · E 1
9
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?

N3 3JB has 14 known premises and 9 planning records — 8 approved of 9 decided (88.9%). 6 EPC records.

Premises

Planning

What happened?

9 planning applications across the postcode; 8 approved of 9 decided (88.9%). Latest 9 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving rear dormer window with juliette balcony to facilitate a loft conversion
21 Holly Park London N3 3JB · premises record
Applicant Mr & Mrs Brower · Agent CG Architects · Officer Agnes Wanja
Proposed Lawful Development Certificate
Approved
2017-11-21
Single storey front extension.
21 Holly Park, London, N3 3JB · premises record
Applicant Mr Stephen Brower · Officer Elizabeth Thomas
Full Application
Approved
2010-04-29
Single storey side and rear extension. (Retrospective Application).
27 Holly Park London N3 3JB · premises record
Applicant Mr Andrew Fishman · Officer Anthony Traub
Retention/Continued Use
Approved
2007-08-23
Demolition of existing playroom and garage and the construction of a new house with vehicular hardstanding.
R/O 21 Holly Park London N3 3JB · premises record
Applicant G Lee · Officer Fabien Peterson
Full Application
Withdrawn
2006-11-29
Single storey rear and side extension, and loft conversion with a rear dormer.
27 Holly Park London N3 3JB · premises record
Applicant Mr & Mrs Fishman · Officer Fabien Peterson
Full Application
Approved
2006-05-17
Single storey side extension. Relocation of front door. Changes to windows and door to side, front and rear.
13 Holly Park London N3 3JB · premises record
Full Application
Approved
2006-03-02
Part single, part two-storey rear side extension. Single storey rear extension. Alterations to roof including addition of rear dormer window to facilitate a loft conversion.
27 Holly Park London N3 3JB · premises record
Applicant Mr & Mrs Fishman · Officer Fabien Peterson
Full Application
Approved
2005-11-07
Loft conversion involving roof extension to rear and rooflights to both sides.
19 Holly Park London N3 3JB · premises record
Proposed Lawful Development Certificate
Approved
2002-05-21
First floor side and rear extensions.
29 Holly Park London N3 3JB · premises record
Applicant Mr H. Daniel
Full Application
Approved
2001-03-15
Roof extension involving rear dormer window with juliette balcony to facilitate a loft conversion
21 Holly Park London N3 3JB · premises record
Applicant Mr & Mrs Brower · Agent CG Architects · Officer Agnes Wanja
Approved
2017-11-21
More
Proposed Lawful Development Certificate
Single storey front extension.
21 Holly Park, London, N3 3JB · premises record
Applicant Mr Stephen Brower · Officer Elizabeth Thomas
Approved
2010-04-29
More
Full Application
Single storey side and rear extension. (Retrospective Application).
27 Holly Park London N3 3JB · premises record
Applicant Mr Andrew Fishman · Officer Anthony Traub
Approved
2007-08-23
More
Retention/Continued Use
Show all 9 rows
Demolition of existing playroom and garage and the construction of a new house with vehicular hardstanding.
R/O 21 Holly Park London N3 3JB · premises record
Applicant G Lee · Officer Fabien Peterson
Withdrawn
2006-11-29
More
Full Application
Single storey rear and side extension, and loft conversion with a rear dormer.
27 Holly Park London N3 3JB · premises record
Applicant Mr & Mrs Fishman · Officer Fabien Peterson
Approved
2006-05-17
More
Full Application
Single storey side extension. Relocation of front door. Changes to windows and door to side, front and rear.
13 Holly Park London N3 3JB · premises record
Approved
2006-03-02
More
Full Application
Part single, part two-storey rear side extension. Single storey rear extension. Alterations to roof including addition of rear dormer window to facilitate a loft conversion.
27 Holly Park London N3 3JB · premises record
Applicant Mr & Mrs Fishman · Officer Fabien Peterson
Approved
2005-11-07
More
Full Application
Loft conversion involving roof extension to rear and rooflights to both sides.
19 Holly Park London N3 3JB · premises record
Approved
2002-05-21
More
Proposed Lawful Development Certificate
First floor side and rear extensions.
29 Holly Park London N3 3JB · premises record
Applicant Mr H. Daniel
Approved
2001-03-15
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 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).

People

Who is involved?

Named on the latest 9 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
Agent on 1 application
Case officer on 3 applications
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
Agent on 1 application
Case officer on 3 applications
Development

What could it become?

Planning precedent9 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 1, D: 4, E: 1.
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
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.
N3 3JB, Barnet: Planning and Property History | Planning Atlas