Planning Atlas
Planning AtlasBarnetWest Finchley wardN3 2NL
Postcode record · Barnet

N3 2NL.

N3 2NL has 19 known premises and 19 planning records — 15 approved of 19 decided (78.9%). 10 EPC records.

Postcode N3 2NL · boundary not held, centred on the postcodeApprovedRefusedOther19 exact19 on the map — every match
At a glance · this postcodeBarnet profile →
19
Premises
known addresses (UPRNs)
19
Applications
19 decided
78.9%
Approval rate
15 approved · 3 refused
10
EPC records
ratings C 1 · D 4 · E 5
19
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 2NL has 19 known premises and 19 planning records — 15 approved of 19 decided (78.9%). 10 EPC records.

Premises (18 of 19 shown)

Planning

What happened?

19 planning applications across the postcode; 15 approved of 19 decided (78.9%). Latest 19 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Non material amendment to planning permission original ref 25/2554/HSE dated 22/07/2025 for 'Single storey side and rear extension with 3no. rooflights' Amendments include raising of parapet wall
21 Park Crescent London N3 2NL · premises record
Applicant Kate Maclagan · Agent Rooftop Rooms Ltd · Officer Basya Markovits
Non Material Amendment
Approved
2025-12-11
Single storey side and rear extension with 3no. rooflights
21 Park Crescent London N3 2NL · premises record
Applicant Kate Maclagan · Agent Rooftop Rooms Ltd · Officer Basya Markovits
Householder Application
Approved
2025-06-20
Installation of an air conditioning unit on the ground floor wall side elevation
29 Park Crescent London N3 2NL · premises record
Householder Application
Approved
2021-09-08
Roof extension involving hip to gable, replacement of rear dormer window, 1no front facing rooflight, 2no flat rooflights to the rear and new side window following removal of the existing extension Erection of a rear outbuilding
29 Park Crescent London N3 2NL · premises record
Proposed Lawful Development Certificate
Approved
2020-12-24
Single storey rear extension with two associated rooflights
17 Park Crescent London N3 2NL · premises record
Applicant Mr Andrew Peters · Agent Cbo Architects · Officer Andrew Turner
Householder Application
Approved
2020-11-24
Two storey rear extension. Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights
19 Park Crescent London N3 2NL · premises record
Full
Refused
2019-12-18
Single storey side and rear extension. New garage following demolition of existing access gate. Alterations to landscaping including rear patio and access steps
23 Park Crescent London N3 2NL · premises record
Applicant Mr Jonathan Cohen · Agent Mr Gideon Lemberg · Officer Syndsey Ballet
Householder Application
Approved
2019-02-15
Single storey rear extension including 2no. rooflights. Insertion of new side entrance and open porch. New gate
3 Park Crescent London N3 2NL · premises record
Applicant Mr & Mrs R Bamford · Agent Private Firm · Officer Tania Sa Cordeiro
Householder Application
Approved
2018-11-19
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front and new gable window to side elevation to facilitate a loft conversion
17 Park Crescent London N3 2NL · premises record
Applicant Mr Andrew Peters · Agent Mr Paolo Bongiovanni · Officer Agnes Wanja
Proposed Lawful Development Certificate
Approved
2017-03-22
Part single part two-storey rear extension following demolition of rear projection. Extension to roof including rear dormer and 1no. front roof-light to facilitate a loft conversion.
3 Park Crescent, London, N3 2NL · premises record
Householder Application
Withdrawn
2013-05-10
Non material amendment to planning permission original ref 25/2554/HSE dated 22/07/2025 for 'Single storey side and rear extension with 3no. rooflights' Amendments include raising of parapet wall
21 Park Crescent London N3 2NL · premises record
Applicant Kate Maclagan · Agent Rooftop Rooms Ltd · Officer Basya Markovits
Approved
2025-12-11
More
Non Material Amendment
Single storey side and rear extension with 3no. rooflights
21 Park Crescent London N3 2NL · premises record
Applicant Kate Maclagan · Agent Rooftop Rooms Ltd · Officer Basya Markovits
Approved
2025-06-20
More
Householder Application
Installation of an air conditioning unit on the ground floor wall side elevation
29 Park Crescent London N3 2NL · premises record
Approved
2021-09-08
More
Householder Application
Show all 10 rows
Roof extension involving hip to gable, replacement of rear dormer window, 1no front facing rooflight, 2no flat rooflights to the rear and new side window following removal of the existing extension Erection of a rear outbuilding
29 Park Crescent London N3 2NL · premises record
Approved
2020-12-24
More
Proposed Lawful Development Certificate
Single storey rear extension with two associated rooflights
17 Park Crescent London N3 2NL · premises record
Applicant Mr Andrew Peters · Agent Cbo Architects · Officer Andrew Turner
Approved
2020-11-24
More
Householder Application
Two storey rear extension. Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights
19 Park Crescent London N3 2NL · premises record
Refused
2019-12-18
More
Full
Single storey side and rear extension. New garage following demolition of existing access gate. Alterations to landscaping including rear patio and access steps
23 Park Crescent London N3 2NL · premises record
Applicant Mr Jonathan Cohen · Agent Mr Gideon Lemberg · Officer Syndsey Ballet
Approved
2019-02-15
More
Householder Application
Single storey rear extension including 2no. rooflights. Insertion of new side entrance and open porch. New gate
3 Park Crescent London N3 2NL · premises record
Applicant Mr & Mrs R Bamford · Agent Private Firm · Officer Tania Sa Cordeiro
Approved
2018-11-19
More
Householder Application
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front and new gable window to side elevation to facilitate a loft conversion
17 Park Crescent London N3 2NL · premises record
Applicant Mr Andrew Peters · Agent Mr Paolo Bongiovanni · Officer Agnes Wanja
Approved
2017-03-22
More
Proposed Lawful Development Certificate
Part single part two-storey rear extension following demolition of rear projection. Extension to roof including rear dormer and 1no. front roof-light to facilitate a loft conversion.
3 Park Crescent, London, N3 2NL · premises record
Withdrawn
2013-05-10
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 19 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 19 of 19 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 19 of 19 premises. Some normally permitted changes may require planning permission.
People

Who is involved?

Named on the latest 19 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 2 applications
Applicant on 2 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
Agent on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Development

What could it become?

Planning precedent19 applications and 19 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 1, D: 4, E: 5.
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.

No intent signal is currently recorded in this postcode.

Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
N3 2NL, Barnet: Planning and Property History | Planning Atlas