Postcode record · Southwark
SE21 7DZ.
SE21 7DZ has 23 known premises and 70 planning records — 67 approved of 70 decided (95.7%). 12 EPC records.
Postcode SE21 7DZ · boundary not held, centred on the postcodeApprovedRefusedOther70 exact70 on the map — every match
At a glance · this postcodeSouthwark profile →
23
Premises
known addresses (UPRNs)
70
Applications
70 decided
95.7%
Approval rate
67 approved · 2 refused
12
EPC records
ratings C 1 · D 5 · E 5 · F 1
70
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 7DZ has 23 known premises and 70 planning records — 67 approved of 70 decided (95.7%). 12 EPC records.
Premises (18 of 23 shown)
Name
Details
UPRN 10025193741
UPRN 200003435000
UPRN 200003435001
UPRN 200003435002
UPRN 200003435003
UPRN 200003435004
UPRN 200003435005
UPRN 200003435006
UPRN 200003435007
UPRN 200003435008
UPRN 10025193741
UPRN 200003435000
UPRN 200003435001
Show all 10 rows
UPRN 200003435002
UPRN 200003435003
UPRN 200003435004
UPRN 200003435005
UPRN 200003435006
UPRN 200003435007
UPRN 200003435008
Planning
What happened?
70 planning applications across the postcode; 67 approved of 70 decided (95.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Proposed single storey rear and side extension.
17 Court Lane Gardens London Southwark SE21 7DZ · premises record
Householder Application
Approved
2026-03-19
Construction of a front dormer roof extension
3 Court Lane Gardens London Southwark SE21 7DZ · premises record
—
Approved
2025-02-11
Works to tree in a Conservation Area: T1 (Purple Leaved Plum) - remove as unsuitable for its location. To be replaced with a Prunus Amanogawa.
9 Court Lane Gardens London Southwark SE21 7DZ · premises record
Works to a Tree in a Conservation Area
Approved
2025-01-21
Demolition of existing single storey rear extension and construction of single storey ground floor rear extension
3 Court Lane Gardens London Southwark SE21 7DZ · premises record
Householder Application
Approved
2024-12-17
Works to a Tree in a Conservation Area: T1 Southern/ Grandiflora Magnolia tree crown reduction by 35% & thin from ten mtrs highest to seven mtrs, lateral branches from six mtrs back to 4 mtrs. T2 Apple tree crown reduction by 35% from eight mtrs to five mtrs thin and clean. T3 Hazel two clusters next to each other close to the fence only height reduction by 40% from 3.5 mtrs to 2 mtrs all will be taken back to compas points and or previous points.
14 Court Lane Gardens London Southwark SE21 7DZ · premises record
Works to a Tree in a Conservation Area
Approved
2024-10-03
Installation of 12 no. solar panels to side extension roof
1 Court Lane Gardens London Southwark SE21 7DZ · premises record
Householder Application
Approved
2024-09-12
Construction of a single storey outbuilding in the rear garden.
4 Court Lane Gardens London Southwark SE21 7DZ · premises record
Applicant Mrs Philippa Purcell · Officer Megan Stevens
Householder Application
Approved
2023-12-05
Tree works 5 day notification: Wild plum tree blown over in strong winds. Works - Jack up fallen tree, prop up tree once made upright. Removal of branches and lowering of canopy. Aim- Maximise chance of tree survival/regrowth.
1 Court Lane Gardens London Southwark SE21 7DZ · premises record
—
Approved
2023-12-01
Works to trees in a conservation area: Remove Cherry tree T1 on the right very marked in red only 6 inch away from a second Cherry on the left T3 Magnolia tree hight 5.5 mtrs. Crown height reduction by 1.5 mtrs from 5.5 mtrs to 4 mtrs on compass points Reason : to be crown reduced by reducing the height and reduce crown radius on all round from 5.5 mtrs to 4 mtrs on the longer branches and branches encroaching over two neighbours garden and the foot path, improve shape all round and where needed.
20 Court Lane Gardens London Southwark SE21 7DZ · premises record
Works to a Tree in a Conservation Area
Approved
2023-08-23
Works to trees in a conservation area: Oak: Crown thin by 20% including the removal of snag ends, dead wood and necessary lifting of secondary growth low branches over roof of garden room. Cherry: Crown thin by 15% including the removal of snag ends, dead wood and necessary lifting of low branches.
4 Court Lane Gardens London Southwark SE21 7DZ · premises record
Applicant Mrs Philippa Purcell · Officer Liam Bullen
Works to a Tree in a Conservation Area
Approved
2023-03-03
Proposed single storey rear and side extension.
17 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2026-03-19
More
Householder Application
Construction of a front dormer roof extension
3 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2025-02-11
More
—
Works to tree in a Conservation Area: T1 (Purple Leaved Plum) - remove as unsuitable for its location. To be replaced with a Prunus Amanogawa.
9 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2025-01-21
More
Works to a Tree in a Conservation Area
Show all 10 rows
Demolition of existing single storey rear extension and construction of single storey ground floor rear extension
3 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2024-12-17
More
Householder Application
Works to a Tree in a Conservation Area: T1 Southern/ Grandiflora Magnolia tree crown reduction by 35% & thin from ten mtrs highest to seven mtrs, lateral branches from six mtrs back to 4 mtrs. T2 Apple tree crown reduction by 35% from eight mtrs to five mtrs thin and clean. T3 Hazel two clusters next to each other close to the fence only height reduction by 40% from 3.5 mtrs to 2 mtrs all will be taken back to compas points and or previous points.
14 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2024-10-03
More
Works to a Tree in a Conservation Area
Installation of 12 no. solar panels to side extension roof
1 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2024-09-12
More
Householder Application
Construction of a single storey outbuilding in the rear garden.
4 Court Lane Gardens London Southwark SE21 7DZ · premises record
Applicant Mrs Philippa Purcell · Officer Megan Stevens
Approved
2023-12-05
More
Householder Application
Tree works 5 day notification: Wild plum tree blown over in strong winds. Works - Jack up fallen tree, prop up tree once made upright. Removal of branches and lowering of canopy. Aim- Maximise chance of tree survival/regrowth.
1 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2023-12-01
More
—
Works to trees in a conservation area: Remove Cherry tree T1 on the right very marked in red only 6 inch away from a second Cherry on the left T3 Magnolia tree hight 5.5 mtrs. Crown height reduction by 1.5 mtrs from 5.5 mtrs to 4 mtrs on compass points Reason : to be crown reduced by reducing the height and reduce crown radius on all round from 5.5 mtrs to 4 mtrs on the longer branches and branches encroaching over two neighbours garden and the foot path, improve shape all round and where needed.
20 Court Lane Gardens London Southwark SE21 7DZ · premises record
Approved
2023-08-23
More
Works to a Tree in a Conservation Area
Works to trees in a conservation area: Oak: Crown thin by 20% including the removal of snag ends, dead wood and necessary lifting of secondary growth low branches over roof of garden room. Cherry: Crown thin by 15% including the removal of snag ends, dead wood and necessary lifting of low branches.
4 Court Lane Gardens London Southwark SE21 7DZ · premises record
Applicant Mrs Philippa Purcell · Officer Liam Bullen
Approved
2023-03-03
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 23 premises each one covers.
Designation
Coverage
Conservation Area
Dulwich Village · reference 7 · covers 23 of 23 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
1 Court Lane Gardens, SE21 7DZ · reference 858 · covers 1 of 23 premises. Protected-tree works may require consent or formal notice.
Tree Preservation Zone
21 Court Lane Gardens · reference 847 · covers 1 of 23 premises. Protected-tree works may require consent or formal notice.
Tree Preservation Zone
22 Court Lane Gardens · reference 1051 · covers 1 of 23 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Dulwich Village · reference 7 · covers 23 of 23 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
1 Court Lane Gardens, SE21 7DZ · reference 858 · covers 1 of 23 premises. Protected-tree works may require consent or formal notice.
Tree Preservation Zone
21 Court Lane Gardens · reference 847 · covers 1 of 23 premises. Protected-tree works may require consent or formal notice.
Show all 4 rows
Tree Preservation Zone
22 Court Lane Gardens · reference 1051 · covers 1 of 23 premises. Protected-tree works may require consent or formal notice.
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 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 2 applications
Applicant on 2 applications
Applicant on 2 applications
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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 precedent70 applications and 70 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 1, D: 5, E: 5, 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.
6 intent signals recorded in this postcode
Repeat sale · EPC F/G · Long hold
Subscribe to see the signals →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.