Postcode record · Southwark
SE21 8SN.
SE21 8SN has 14 known premises and 8 planning records — 4 approved of 8 decided (50%). 10 EPC records.
Postcode SE21 8SN · boundary not held, centred on the postcodeApprovedRefusedOther8 exact1 approximate9 on the map — every match
At a glance · this postcodeSouthwark profile →
14
Premises
known addresses (UPRNs)
8
Applications
8 decided
50%
Approval rate
4 approved · 1 refused
10
EPC records
ratings B 1 · C 5 · D 4
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?
SE21 8SN has 14 known premises and 8 planning records — 4 approved of 8 decided (50%). 10 EPC records.
Premises
Name
Details
UPRN 200003436378
UPRN 200003436379
UPRN 200003436380
UPRN 200003436381
UPRN 200003436382
UPRN 200003436383
UPRN 200003436384
UPRN 200003436385
UPRN 200003436386
UPRN 200003436387
UPRN 200003436378
UPRN 200003436379
UPRN 200003436380
Show all 10 rows
UPRN 200003436381
UPRN 200003436382
UPRN 200003436383
UPRN 200003436384
UPRN 200003436385
UPRN 200003436386
UPRN 200003436387
Planning
What happened?
8 planning applications across the postcode; 4 approved of 8 decided (50%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Construction of rear and side dormers
12 Spenser Mews London Southwark SE21 8SN · premises record
Householder Application
Approved
2024-08-20
Construction of single storey rear extensions to neighbouring properties
8 And 9 Spenser Mews London Southwark SE21 8SN · premises record
Minor application
Approved
2023-08-21
1 x Horse Chestnut - fell to ground level. The crown has excessive die back and believe fungus present to be Bleeding canker. Fell recommended due to high target area heavy pedestrian and vehicle traffic.
1 Spenser Mews London Southwark SE21 8SN · premises record
Works to a Tree with a TPO
Not required
2021-06-01
T1 & T3 Lime trees - Remove epicormic growth on trunk to 5m & and cut back to clear building by 1m leaving 1m T2 Horse chestnut - Remove epicormic growth on trunk up to main crown break at approx 5m (To clear property and allow light into ground floor property T4 2 x Holly - Reduce height by 2m leaving 4m standing (allow light into property) T5 Acacia - Cut back to boundary removing 1.5m leaving 2m (Allow more light and reduce branches overhanging garden)
1 Spenser Mews London Southwark SE21 8SN · premises record
Works to a Tree in a Conservation Area
Not required
2020-11-17
T1- Large SYCAMORE -Crown reduce height and lateral branches by 3m (regrowth) pruning back to old pruning points to leave a bare framework for future management.
13 Spenser Mews London Southwark SE21 8SN · premises record
Works to a Tree in a Conservation Area
Approved
2019-11-08
Change of roof form from hip to gable and front and rear roof lights to facilitate a loft conversion, providing additional residential accommodation.
6 Spenser Mews London SE21 8SN · premises record
Applicant Mr K Jeyaveerasingam · Officer Sonia Watson
Householder Application
Refused
2009-12-03
Erection of a single storey conservatory at the rear of property. Reg No 0101275
1 Spenser Mews London Southwark SE21 8SN · premises record
Householder Application
Approved
2001-08-22
T1 Sycamore tree in rear garden - Pollard back to the previous points
13 Spenser Mews London Southwark SE21 8SN · premises record
—
Not required
—
Construction of rear and side dormers
12 Spenser Mews London Southwark SE21 8SN · premises record
Approved
2024-08-20
More
Householder Application
Construction of single storey rear extensions to neighbouring properties
8 And 9 Spenser Mews London Southwark SE21 8SN · premises record
Approved
2023-08-21
More
Minor application
1 x Horse Chestnut - fell to ground level. The crown has excessive die back and believe fungus present to be Bleeding canker. Fell recommended due to high target area heavy pedestrian and vehicle traffic.
1 Spenser Mews London Southwark SE21 8SN · premises record
Not required
2021-06-01
More
Works to a Tree with a TPO
Show all 8 rows
T1 & T3 Lime trees - Remove epicormic growth on trunk to 5m & and cut back to clear building by 1m leaving 1m T2 Horse chestnut - Remove epicormic growth on trunk up to main crown break at approx 5m (To clear property and allow light into ground floor property T4 2 x Holly - Reduce height by 2m leaving 4m standing (allow light into property) T5 Acacia - Cut back to boundary removing 1.5m leaving 2m (Allow more light and reduce branches overhanging garden)
1 Spenser Mews London Southwark SE21 8SN · premises record
Not required
2020-11-17
More
Works to a Tree in a Conservation Area
T1- Large SYCAMORE -Crown reduce height and lateral branches by 3m (regrowth) pruning back to old pruning points to leave a bare framework for future management.
13 Spenser Mews London Southwark SE21 8SN · premises record
Approved
2019-11-08
More
Works to a Tree in a Conservation Area
Change of roof form from hip to gable and front and rear roof lights to facilitate a loft conversion, providing additional residential accommodation.
6 Spenser Mews London SE21 8SN · premises record
Applicant Mr K Jeyaveerasingam · Officer Sonia Watson
Refused
2009-12-03
More
Householder Application
Erection of a single storey conservatory at the rear of property. Reg No 0101275
1 Spenser Mews London Southwark SE21 8SN · premises record
Approved
2001-08-22
More
Householder Application
T1 Sycamore tree in rear garden - Pollard back to the previous points
13 Spenser Mews London Southwark SE21 8SN · premises record
Not required
—
More
—
Building control
Building-control records are not yet collected for Southwark — 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
Conservation Area
Dulwich Village · reference 7 · covers 2 of 14 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Dulwich Village · reference 7 · covers 2 of 14 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 8 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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 2 applications
Agent on 1 application
Agent on 1 application
Applicant on 1 application
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
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent8 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings B: 1, C: 5, D: 4.
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.
No intent signal is currently recorded in this postcode.
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.