Postcode record · Lambeth
SE21 8NN.
SE21 8NN has 28 known premises and 27 planning records — 22 approved of 26 decided (84.6%). 14 EPC records.
Postcode SE21 8NN · boundary not held, centred on the postcodeApprovedRefusedOther27 exact27 on the map — every match
At a glance · this postcodeLambeth profile →
28
Premises
known addresses (UPRNs)
27
Applications
26 decided
84.6%
Approval rate
22 approved · 4 refused
14
EPC records
ratings C 2 · D 5 · E 6 · F 1
27
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?
SE21 8NN has 28 known premises and 27 planning records — 22 approved of 26 decided (84.6%). 14 EPC records.
Premises (18 of 28 shown)
Name
Details
UPRN 10000446420
UPRN 10008790181
UPRN 10008790182
UPRN 10025290052
UPRN 10090194343
UPRN 10090194344
UPRN 100021830433
UPRN 100021830434
UPRN 100021830435
UPRN 100021830436
UPRN 10000446420
UPRN 10008790181
UPRN 10008790182
Show all 10 rows
UPRN 10025290052
UPRN 10090194343
UPRN 10090194344
UPRN 100021830433
UPRN 100021830434
UPRN 100021830435
UPRN 100021830436
Planning
What happened?
27 planning applications across the postcode; 22 approved of 26 decided (84.6%). Latest 27 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a rear dormer roof extension, installation of three roof lights to the front roof slope, and relocation of one roof light on the rear outrigger.
257 Croxted Road London SE21 8NN · premises record
Certificate of Lawful Use proposed
Approved
2026-01-26
Erection of single storey ground floor side extension and installation of ground floor rear window in place of existing door.
275 Croxted Road London SE21 8NN · premises record
Full Planning Permission
Approved
2025-05-19
Application for a Certificate of Lawful Development (Proposed) with respect to erection of rear dormer roof extension and installation of 3x rooflights to the front roof slope.
257 Croxted Road London SE21 8NN · premises record
Certificate of Lawful Use proposed
Refused
2025-05-13
Erection of rear dormer together with the installation of 2 rooflights to the front roof slope and 1 rooflight over rear outrigger. Erection of single storey ground floor side extension together with the replacement of ground floor rear door with window.
275 Croxted Road London SE21 8NN · premises record
Full Planning Permission
Refused
2025-03-03
Application for a Certificate of Lawful Development (Proposed) with respect to erection of a rear dormer roof extension with juliet balcony and installation of 2 rooflights to the front slope and 1 rooflight roof light to rear outrigger roof slope.
275 Croxted Road London SE21 8NN · premises record
Certificate of Lawful Use proposed
Approved
2025-02-11
Application for Certificate of Lawfulness (Proposed) with respect to the erection of a rear dormer together with the installation of 2 rooflights to the front roof slope.
273 Croxted Road London Lambeth SE21 8NN · premises record
Certificate of Lawful Use proposed
Approved
2024-07-08
Application for a Certificate of Lawfulness (Proposed) with respect to a Loft conversion including rooflights to the front facing roof slope and juliet balcony to the rear
273 Croxted Road London SE21 8NN · premises record
Certificate of Lawful Use proposed
Approved
2023-06-05
Erection of a single storey ground floor rear and side infill extensions.
273 Croxted Road London SE21 8NN · premises record
Full Planning Permission
Approved
2023-06-05
Certificate of Lawfulness (proposed) with respect to the erection of new French doors and side lights set within new and existing structural openings within South Elevations; New windows set within existing / adapted structural openings within West Elevation; Internal reorganisational and refurbishment works within existing body of house.
261 Croxted Road London SE21 8NN · premises record
Certificate of Lawful Use proposed
Approved
2021-02-09
Application for a Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer, together with the installation of 2 front roof lights and 4 roof lights to the rear outrigger.
259 Croxted Road London SE21 8NN · premises record
Certificate of Lawful Use proposed
Approved
2020-11-19
Erection of a rear dormer roof extension, installation of three roof lights to the front roof slope, and relocation of one roof light on the rear outrigger.
257 Croxted Road London SE21 8NN · premises record
Approved
2026-01-26
More
Certificate of Lawful Use proposed
Erection of single storey ground floor side extension and installation of ground floor rear window in place of existing door.
275 Croxted Road London SE21 8NN · premises record
Approved
2025-05-19
More
Full Planning Permission
Application for a Certificate of Lawful Development (Proposed) with respect to erection of rear dormer roof extension and installation of 3x rooflights to the front roof slope.
257 Croxted Road London SE21 8NN · premises record
Refused
2025-05-13
More
Certificate of Lawful Use proposed
Show all 10 rows
Erection of rear dormer together with the installation of 2 rooflights to the front roof slope and 1 rooflight over rear outrigger. Erection of single storey ground floor side extension together with the replacement of ground floor rear door with window.
275 Croxted Road London SE21 8NN · premises record
Refused
2025-03-03
More
Full Planning Permission
Application for a Certificate of Lawful Development (Proposed) with respect to erection of a rear dormer roof extension with juliet balcony and installation of 2 rooflights to the front slope and 1 rooflight roof light to rear outrigger roof slope.
275 Croxted Road London SE21 8NN · premises record
Approved
2025-02-11
More
Certificate of Lawful Use proposed
Application for Certificate of Lawfulness (Proposed) with respect to the erection of a rear dormer together with the installation of 2 rooflights to the front roof slope.
273 Croxted Road London Lambeth SE21 8NN · premises record
Approved
2024-07-08
More
Certificate of Lawful Use proposed
Application for a Certificate of Lawfulness (Proposed) with respect to a Loft conversion including rooflights to the front facing roof slope and juliet balcony to the rear
273 Croxted Road London SE21 8NN · premises record
Approved
2023-06-05
More
Certificate of Lawful Use proposed
Erection of a single storey ground floor rear and side infill extensions.
273 Croxted Road London SE21 8NN · premises record
Approved
2023-06-05
More
Full Planning Permission
Certificate of Lawfulness (proposed) with respect to the erection of new French doors and side lights set within new and existing structural openings within South Elevations; New windows set within existing / adapted structural openings within West Elevation; Internal reorganisational and refurbishment works within existing body of house.
261 Croxted Road London SE21 8NN · premises record
Approved
2021-02-09
More
Certificate of Lawful Use proposed
Application for a Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer, together with the installation of 2 front roof lights and 4 roof lights to the rear outrigger.
259 Croxted Road London SE21 8NN · premises record
Approved
2020-11-19
More
Certificate of Lawful Use proposed
Building control
Building-control records are not yet collected for Lambeth — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.
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 27 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 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
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 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent27 applications and 27 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings C: 2, D: 5, E: 6, F: 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
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.