Postcode record · Southwark
SE21 7DH.
SE21 7DH has 26 known premises and 46 planning records — 41 approved of 46 decided (89.1%). 13 EPC records.
Postcode SE21 7DH · boundary not held, centred on the postcodeApprovedRefusedOther46 exact1 approximate47 on the map — every match
At a glance · this postcodeSouthwark profile →
26
Premises
known addresses (UPRNs)
46
Applications
46 decided
89.1%
Approval rate
41 approved · 5 refused
13
EPC records
ratings D 6 · E 6 · F 1
47
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 7DH has 26 known premises and 46 planning records — 41 approved of 46 decided (89.1%). 13 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 200003434221
UPRN 200003434222
UPRN 200003434223
UPRN 200003434224
UPRN 200003434225
UPRN 200003434226
UPRN 200003434227
UPRN 200003434228
UPRN 200003434229
UPRN 200003434230
UPRN 200003434221
UPRN 200003434222
UPRN 200003434223
Show all 10 rows
UPRN 200003434224
UPRN 200003434225
UPRN 200003434226
UPRN 200003434227
UPRN 200003434228
UPRN 200003434229
UPRN 200003434230
Planning
What happened?
46 planning applications across the postcode; 41 approved of 46 decided (89.1%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
5 DAY NOTIFICATION. DUTY TO REPLANT. T1. An Ash tree approximately 11m in height, situated in the front garden. The tree has decay and a presence of fungal fruiting bodies at the base of cavity. Fell to ground level and remove stump. Replace with a minimum 10-12cm Manna Ash (Fraxinus Ornus) within the next planting season, by end March 2027.
1B Court Lane London Southwark SE21 7DH · premises record
Tree works 5 day notification
Approved
2026-04-23
Construction of L-shaped rear dormer extension with two rooflights, and installation of three rooflights on the main roof.
31 Court Lane London Southwark SE21 7DH · premises record
Householder Application
Approved
2026-02-18
Construction of a single-storey outbuilding to the rear garden and bike shed
31 Court Lane London Southwark SE21 7DH · premises record
Householder Application
Approved
2026-01-28
Construction of one self-build two-bedroom dwellinghouse.
1B Court Lane London Southwark SE21 7DH · premises record
Minor application
Approved
2025-03-27
Demolition of single storey outbuilding to north of site, construction of self-build single-storey two bedroom dwelling house and erection of stock brick boundary walls to perimeter.
1B Court Lane London Southwark SE21 7DH · premises record
Minor application
Refused
2024-10-08
T1 - Crab Apple tree approximately 8 meters in height, situated in the front garden. The base shows poor root development whilst the crown has a suppressed form due to a larger nearby Ginkgo. The description of the works is: remove the Crab Apple tree and a replacement tree is to be planted in a convenient location of the front garden. The Dulwich Estate has recommended three alternative species for consideration.
23 Court Lane London Southwark SE21 7DH · premises record
Applicant Mrs Laura Trewhela · Officer Liam Bullen
Works to a Tree in a Conservation Area
Approved
2024-03-07
Demolition of existing outbuildings and erection of a single-storey rear and side extension; and addition of first floor window in original location.
23 Court Lane London Southwark SE21 7DH · premises record
Householder Application
Approved
2023-01-10
T1 Magnolia Crown thin by 20% including the removal o f dead wood and necessary re-shaping. The height and basic shape should be retained. Prune branches at convenient growth points, rather than an all-round reduction or pollarding.
21 Court Lane London Southwark SE21 7DH · premises record
Works to a Tree in a Conservation Area
Approved
2022-10-19
T1 Flowering Crab tree approximately 6m in height, situated in the centre of the front garden. The tree is a little dense and wide spreading. Crown thin by 20% including the removal of dead wood and necessary shortening of branches encroaching towards the house. The height and basic shape should be retained. T2 False Acacia tree approximately 10m in height, situated on the left-hand side boundary of the rear garden. The tree is a little dense and wide spreading. Crown thin by 20% including the removal of dead wood and necessary shortening of branches encroaching towards the Magnolia tree in the adjoining garden of no.21. The height and basic shape should be retained. T3 Birch tree approximately 12m in height, situated on the right-hand side boundary midway down the rear garden. Crown thin by 25% including the removal of dead wood. The height and basic shape should be retained.
23 Court Lane London Southwark SE21 7DH · premises record
Applicant Miss Laura Sevenoaks · Officer Liam Bullen
Works to a Tree in a Conservation Area
Approved
2022-03-16
T1. A Mulberry tree approximately 5m in height, Remove and the roots grubbed out. T2. A twin stemmed Ash tree approximately 15m in height, Crown thin by 20% including the removal of any dead wood and necessary re-shaping.
25 Court Lane London Southwark SE21 7DH · premises record
Works to a Tree in a Conservation Area
Approved
2022-01-27
5 DAY NOTIFICATION. DUTY TO REPLANT. T1. An Ash tree approximately 11m in height, situated in the front garden. The tree has decay and a presence of fungal fruiting bodies at the base of cavity. Fell to ground level and remove stump. Replace with a minimum 10-12cm Manna Ash (Fraxinus Ornus) within the next planting season, by end March 2027.
1B Court Lane London Southwark SE21 7DH · premises record
Approved
2026-04-23
More
Tree works 5 day notification
Construction of L-shaped rear dormer extension with two rooflights, and installation of three rooflights on the main roof.
31 Court Lane London Southwark SE21 7DH · premises record
Approved
2026-02-18
More
Householder Application
Construction of a single-storey outbuilding to the rear garden and bike shed
31 Court Lane London Southwark SE21 7DH · premises record
Approved
2026-01-28
More
Householder Application
Show all 10 rows
Construction of one self-build two-bedroom dwellinghouse.
1B Court Lane London Southwark SE21 7DH · premises record
Approved
2025-03-27
More
Minor application
Demolition of single storey outbuilding to north of site, construction of self-build single-storey two bedroom dwelling house and erection of stock brick boundary walls to perimeter.
1B Court Lane London Southwark SE21 7DH · premises record
Refused
2024-10-08
More
Minor application
T1 - Crab Apple tree approximately 8 meters in height, situated in the front garden. The base shows poor root development whilst the crown has a suppressed form due to a larger nearby Ginkgo. The description of the works is: remove the Crab Apple tree and a replacement tree is to be planted in a convenient location of the front garden. The Dulwich Estate has recommended three alternative species for consideration.
23 Court Lane London Southwark SE21 7DH · premises record
Applicant Mrs Laura Trewhela · Officer Liam Bullen
Approved
2024-03-07
More
Works to a Tree in a Conservation Area
Demolition of existing outbuildings and erection of a single-storey rear and side extension; and addition of first floor window in original location.
23 Court Lane London Southwark SE21 7DH · premises record
Approved
2023-01-10
More
Householder Application
T1 Magnolia Crown thin by 20% including the removal o f dead wood and necessary re-shaping. The height and basic shape should be retained. Prune branches at convenient growth points, rather than an all-round reduction or pollarding.
21 Court Lane London Southwark SE21 7DH · premises record
Approved
2022-10-19
More
Works to a Tree in a Conservation Area
T1 Flowering Crab tree approximately 6m in height, situated in the centre of the front garden. The tree is a little dense and wide spreading. Crown thin by 20% including the removal of dead wood and necessary shortening of branches encroaching towards the house. The height and basic shape should be retained. T2 False Acacia tree approximately 10m in height, situated on the left-hand side boundary of the rear garden. The tree is a little dense and wide spreading. Crown thin by 20% including the removal of dead wood and necessary shortening of branches encroaching towards the Magnolia tree in the adjoining garden of no.21. The height and basic shape should be retained. T3 Birch tree approximately 12m in height, situated on the right-hand side boundary midway down the rear garden. Crown thin by 25% including the removal of dead wood. The height and basic shape should be retained.
23 Court Lane London Southwark SE21 7DH · premises record
Applicant Miss Laura Sevenoaks · Officer Liam Bullen
Approved
2022-03-16
More
Works to a Tree in a Conservation Area
T1. A Mulberry tree approximately 5m in height, Remove and the roots grubbed out. T2. A twin stemmed Ash tree approximately 15m in height, Crown thin by 20% including the removal of any dead wood and necessary re-shaping.
25 Court Lane London Southwark SE21 7DH · premises record
Approved
2022-01-27
More
Works to a Tree in a Conservation Area
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 26 premises each one covers.
Designation
Coverage
Conservation Area
Dulwich Village · reference 7 · covers 26 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Dulwich Village · reference 7 · covers 26 of 26 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 30 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 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
Applicant on 1 application
Applicant on 2 applications
Applicant on 2 applications
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
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent46 applications and 47 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings D: 6, 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
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.