Postcode record · Camden
NW3 5BL.
NW3 5BL has 18 known premises and 45 planning records — 22 approved of 44 decided (50%). 10 EPC records.
Postcode NW3 5BL · boundary not held, centred on the postcodeApprovedRefusedOther52 exact52 on the map — every match
At a glance · this postcodeCamden profile →
18
Premises
known addresses (UPRNs)
45
Applications
44 decided
50%
Approval rate
22 approved · 8 refused
10
EPC records
ratings C 5 · D 4 · E 1
52
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?
NW3 5BL has 18 known premises and 45 planning records — 22 approved of 44 decided (50%). 10 EPC records.
Premises
Name
Details
UPRN 5000239
UPRN 5000413
UPRN 5009759
UPRN 5017211
UPRN 5019788
UPRN 5031571
UPRN 5034242
UPRN 5037250
UPRN 5044695
UPRN 5049296
UPRN 5000239
UPRN 5000413
UPRN 5009759
Show all 10 rows
UPRN 5017211
UPRN 5019788
UPRN 5031571
UPRN 5034242
UPRN 5037250
UPRN 5044695
UPRN 5049296
Planning
What happened?
45 planning applications across the postcode; 22 approved of 44 decided (50%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a single storey roof extension and alterations to the facade, insertion of new rooflights and associated works
8 Belsize Park Mews London NW3 5BL · premises record
Householder Application
REGISTERED
2026-01-27
Single-storey roof extension and alterations to the front elevation fenestration.
17 Belsize Park Mews London Camden NW3 5BL · premises record
Householder Application
Approved
2025-01-28
Lawful Development Certificate (existing) to confirm that planning permission 2020/5574/P has lawfully commenced within the permitted three-year period (Section 191 of the Town and Country Planning Act 1990).
10 Belsize Park Mews London NW3 5BL · premises record
Certificate of Lawfulness (Existing)
Withdrawn
2024-02-02
Erection of roof extension, new basement level, alterations to fenestration and associated works.
15 Belsize Park Mews London NW3 5BL · premises record
Full Planning Permission
Approved
2023-08-24
Non-material amendment for replacement of frosted glass wall on the second floor northern rear elevation and north eastern side elevation with painted rendered wall as an amendment to planning permission 2021/5690/P dated 21/02/2022 (for erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows.)
5 Belsize Park Mews London NW3 5BL · premises record
Applicant Bauhaus Developments · Agent D2H Land Planning Development Limited · Officer Elaine Quigley
Non-Material Amendments
Withdrawn
2022-08-11
Details of privacy screen and planter required by condition 4 of planning permission 2021/5690/P dated 21/02/2022 for 'Erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows.'
5 Belsize Park Mews London Camden NW3 5BL · premises record
Approval of Details
Approved
2022-03-25
Details of hand landscaping as required by condition 4 of planning permission reference: 2020/5034/P dated 02/03/2021 for erection of a single storey replacement rear extension; conversion of garage to habitable accommodation; alterations to fenestration including the insertion of rooflights to the flat roof, rendering of part of front and rear façade; and associated landscaping works including resurfacing and bin store to the front of the property.
10 Belsize Park Mews London NW3 5BL · premises record
Approval of Details
Approved
2022-03-03
Erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows.
5 Belsize Park Mews London NW3 5BL · premises record
Applicant Bauhaus Developments · Agent D2H Land Planning Development Limited · Officer Sofie Fieldsend
Householder Application
Approved
2021-11-19
Erection of single storey roof extension and terrace. Erection of single storey rear extension with associated rear 1st floor terrace. Insertion of roof lights. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows
5 Belsize Park Mews London NW3 5BL · premises record
Applicant Bauhaus Developments · Agent D2H Land Planning Development Limited · Officer Sofie Fieldsend
Householder Application
Refused
2021-08-10
Details of hand landscaping as required by condition 4 of planning permission reference: 2020/5034/P dated 02/03/2021 for erection of a single storey replacement rear extension; conversion of garage to habitable accommodation; alterations to fenestration including the insertion of rooflights to the flat roof, rendering of part of front and rear façade; and associated landscaping works including resurfacing and bin store to the front of the property.
10 Belsize Park Mews London NW3 5BL · premises record
Applicant Phil and Denise Peters · Officer Jenna Litherland
Approval of Details
Approved
2021-03-15
Erection of a single storey roof extension and alterations to the facade, insertion of new rooflights and associated works
8 Belsize Park Mews London NW3 5BL · premises record
REGISTERED
2026-01-27
More
Householder Application
Single-storey roof extension and alterations to the front elevation fenestration.
17 Belsize Park Mews London Camden NW3 5BL · premises record
Approved
2025-01-28
More
Householder Application
Lawful Development Certificate (existing) to confirm that planning permission 2020/5574/P has lawfully commenced within the permitted three-year period (Section 191 of the Town and Country Planning Act 1990).
10 Belsize Park Mews London NW3 5BL · premises record
Withdrawn
2024-02-02
More
Certificate of Lawfulness (Existing)
Show all 10 rows
Erection of roof extension, new basement level, alterations to fenestration and associated works.
15 Belsize Park Mews London NW3 5BL · premises record
Approved
2023-08-24
More
Full Planning Permission
Non-material amendment for replacement of frosted glass wall on the second floor northern rear elevation and north eastern side elevation with painted rendered wall as an amendment to planning permission 2021/5690/P dated 21/02/2022 (for erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows.)
5 Belsize Park Mews London NW3 5BL · premises record
Applicant Bauhaus Developments · Agent D2H Land Planning Development Limited · Officer Elaine Quigley
Withdrawn
2022-08-11
More
Non-Material Amendments
Details of privacy screen and planter required by condition 4 of planning permission 2021/5690/P dated 21/02/2022 for 'Erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows.'
5 Belsize Park Mews London Camden NW3 5BL · premises record
Approved
2022-03-25
More
Approval of Details
Details of hand landscaping as required by condition 4 of planning permission reference: 2020/5034/P dated 02/03/2021 for erection of a single storey replacement rear extension; conversion of garage to habitable accommodation; alterations to fenestration including the insertion of rooflights to the flat roof, rendering of part of front and rear façade; and associated landscaping works including resurfacing and bin store to the front of the property.
10 Belsize Park Mews London NW3 5BL · premises record
Approved
2022-03-03
More
Approval of Details
Erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows.
5 Belsize Park Mews London NW3 5BL · premises record
Applicant Bauhaus Developments · Agent D2H Land Planning Development Limited · Officer Sofie Fieldsend
Approved
2021-11-19
More
Householder Application
Erection of single storey roof extension and terrace. Erection of single storey rear extension with associated rear 1st floor terrace. Insertion of roof lights. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows
5 Belsize Park Mews London NW3 5BL · premises record
Applicant Bauhaus Developments · Agent D2H Land Planning Development Limited · Officer Sofie Fieldsend
Refused
2021-08-10
More
Householder Application
Details of hand landscaping as required by condition 4 of planning permission reference: 2020/5034/P dated 02/03/2021 for erection of a single storey replacement rear extension; conversion of garage to habitable accommodation; alterations to fenestration including the insertion of rooflights to the flat roof, rendering of part of front and rear façade; and associated landscaping works including resurfacing and bin store to the front of the property.
10 Belsize Park Mews London NW3 5BL · premises record
Applicant Phil and Denise Peters · Officer Jenna Litherland
Approved
2021-03-15
More
Approval of Details
Building control
Building-control records are not yet collected for Camden — 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 18 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Basements · reference A4Ba3 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Belsize Conservation Area Non-immediate Article 4 · reference A4Ba4 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belsize · reference CA3 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Commercial, Business, and Service (Use Class E) to residential (Use Class C3) (outside CAZ) · reference A4EC3b1 · covers 2 of 18 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Basements · reference A4Ba3 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Belsize Conservation Area Non-immediate Article 4 · reference A4Ba4 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belsize · reference CA3 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Show all 4 rows
Article 4 Direction Area
Commercial, Business, and Service (Use Class E) to residential (Use Class C3) (outside CAZ) · reference A4EC3b1 · covers 2 of 18 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 5 applications
Applicant on 3 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
Agent on 3 applications
Agent on 2 applications
Applicant on 5 applications
Applicant on 3 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
Agent on 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent45 applications and 52 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 5, 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 ProOwnership, 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.