Postcode record · Southwark
SE21 8AL.
SE21 8AL has 33 known premises and 44 planning records — 39 approved of 43 decided (90.7%). 18 EPC records.
No OS boundary is held for this postcode yet, so no shape is drawn.
At a glance · this postcodeSouthwark profile →
33
Premises
known addresses (UPRNs)
44
Applications
43 decided
90.7%
Approval rate
39 approved · 3 refused
18
EPC records
ratings D 7 · E 4 · F 7
0
Mapped applications
shape not available
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
SE21 8AL has 33 known premises and 44 planning records — 39 approved of 43 decided (90.7%). 18 EPC records.
Premises (18 of 33 shown)
Name
Details
UPRN 10090748188
UPRN 200003435621
UPRN 200003435622
UPRN 200003435623
UPRN 200003435624
UPRN 200003435625
UPRN 200003435626
UPRN 200003435627
UPRN 200003435628
UPRN 200003435629
UPRN 10090748188
UPRN 200003435621
UPRN 200003435622
Show all 10 rows
UPRN 200003435623
UPRN 200003435624
UPRN 200003435625
UPRN 200003435626
UPRN 200003435627
UPRN 200003435628
UPRN 200003435629
Planning
What happened?
44 planning applications across the postcode; 39 approved of 43 decided (90.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Non-material amendment to planning permission ref no. 24/AP/3809 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on reduced footprint, enlargement to existing basement with associated lightwells to front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to house), installation of an air source heat pump unit to lower ground floor with associated plant equipment, replacement front garden paving, and adjustment to front garden boundary to improve vehicle access'. NMA sought to amend the description of development to: 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of 2No. of air source heat pump units and 2No. of AC units at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access'
34 Alleyn Road London Southwark SE21 8AL · premises record
Variation: Non-Material Changes
Approved
2026-02-20
Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17/02/2025 for 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include -Changes to the size and position of rooflights -Changes to the design and type of rear elevation fenestration -Extension of the basement to the front to create a store for 2No. AC units and 2No. ASHP units
34 Alleyn Road London Southwark SE21 8AL · premises record
S.73 Vary/Remove Conds/Minor Alterations
Approved
2026-02-06
Ground floor rear extension, replacement ground floor side extension, replacement rear addition on reduced footprint, enlargement to existing basement with associated lightwells to front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to house), installation of an air source heat pump unit to lower ground floor with associated plant equipment, replacement front garden paving, and adjustment to front garden boundary to improve vehicle access.
34 Alleyn Road London Southwark SE21 8AL · premises record
Householder Application
Approved
2024-12-23
Demolition of existing ground floor infill extensions to the rear and the construction of a new extension at ground floor level with a green roof; and the installation of an obscured window at ground floor level to the northern elevation.
46 Alleyn Road London Southwark SE21 8AL · premises record
—
Approved
2024-10-09
Replacement of single window on front elevation with two windows
28 Alleyn Road London Southwark SE21 8AL · premises record
Householder Application
Approved
2021-05-17
Create larger vehicle entrances to allow 'in and out' access with parking for two cars and to install two sliding gates for the entrance way including landscaping in front garden
52 Alleyn Road London SE21 8AL · premises record
Householder Application
Approved
2019-05-16
Details of Condition 3, an Arboricultural Method Statement, pursuant to planning permission 17-AP-3976 for: Basement excavation including new light well with associated metal railings and new car lift to the front, single storey side extension to form new garage, two storey rear extension at basement/ground floor level incorporating rear lightwell and new hard/soft landscaping following the demolition of the existing garage.
44 Alleyn Road London SE21 8AL · premises record
—
Approved
2018-07-17
Basement excavation including new light well with associated metal railings and new car lift to the front, single storey side extension to form new garage, two storey rear extension at basement/ground floor level incorporating rear lightwell and new hard/soft landscaping following the demolition of the existing garage.
44 Alleyn Road London SE21 8AL · premises record
Householder Application
Approved
2017-10-18
Non-material amendments to planning permission 14-AP-2411 for 'Erection of a new part three storey part single storey rear extension involving the demolition of the existing two storey structure; the conversion of the existing internal garage with associated alterations to the principle elevation including the insertion of x2 windows to the ground floor; and the insertion of x13 roof lights.' consisting of: The number of proposed roof lights has changed from 13 to 10. The position of the roof lights on the south, north and west elevation has altered and one of the windows on the south elevation have slightly changed. The chimney dimensions (height and width) have been increased.
52 Alleyn Road London SE21 8AL · premises record
Variation: Non-Material Changes
Approved
2017-02-14
Erection of a single storey rear extension after demolition of existing glazed conservatory and creation of a raised terrace with storage units below, to the rear.
30 Alleyn Road London SE21 8AL · premises record
Householder Application
Approved
2016-12-21
Non-material amendment to planning permission ref no. 24/AP/3809 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on reduced footprint, enlargement to existing basement with associated lightwells to front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to house), installation of an air source heat pump unit to lower ground floor with associated plant equipment, replacement front garden paving, and adjustment to front garden boundary to improve vehicle access'. NMA sought to amend the description of development to: 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of 2No. of air source heat pump units and 2No. of AC units at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access'
34 Alleyn Road London Southwark SE21 8AL · premises record
Approved
2026-02-20
More
Variation: Non-Material Changes
Variation of Condition 1 (Approved Plans) for application 24/AP/3809 dated 17/02/2025 for 'Ground floor rear extension, replacement ground floor side extension, replacement rear addition on a reduced footprint, enlargement of the existing basement with associated lightwells to the front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to the house), installation of an air source heat pump unit at lower ground floor level with associated plant equipment, replacement front garden paving, and adjustment to the front garden boundary to improve vehicle access.' Amendments sought include -Changes to the size and position of rooflights -Changes to the design and type of rear elevation fenestration -Extension of the basement to the front to create a store for 2No. AC units and 2No. ASHP units
34 Alleyn Road London Southwark SE21 8AL · premises record
Approved
2026-02-06
More
S.73 Vary/Remove Conds/Minor Alterations
Ground floor rear extension, replacement ground floor side extension, replacement rear addition on reduced footprint, enlargement to existing basement with associated lightwells to front and rear, alterations to rear elevation fenestration at ground, first and second floor levels, introduction of low-profile rooflights, replacement of existing roof coverings and windows, brick cleaning and repointing, replacement rear garden boundary treatments (local to house), installation of an air source heat pump unit to lower ground floor with associated plant equipment, replacement front garden paving, and adjustment to front garden boundary to improve vehicle access.
34 Alleyn Road London Southwark SE21 8AL · premises record
Approved
2024-12-23
More
Householder Application
Show all 10 rows
Demolition of existing ground floor infill extensions to the rear and the construction of a new extension at ground floor level with a green roof; and the installation of an obscured window at ground floor level to the northern elevation.
46 Alleyn Road London Southwark SE21 8AL · premises record
Approved
2024-10-09
More
—
Replacement of single window on front elevation with two windows
28 Alleyn Road London Southwark SE21 8AL · premises record
Approved
2021-05-17
More
Householder Application
Create larger vehicle entrances to allow 'in and out' access with parking for two cars and to install two sliding gates for the entrance way including landscaping in front garden
52 Alleyn Road London SE21 8AL · premises record
Approved
2019-05-16
More
Householder Application
Details of Condition 3, an Arboricultural Method Statement, pursuant to planning permission 17-AP-3976 for: Basement excavation including new light well with associated metal railings and new car lift to the front, single storey side extension to form new garage, two storey rear extension at basement/ground floor level incorporating rear lightwell and new hard/soft landscaping following the demolition of the existing garage.
44 Alleyn Road London SE21 8AL · premises record
Approved
2018-07-17
More
—
Basement excavation including new light well with associated metal railings and new car lift to the front, single storey side extension to form new garage, two storey rear extension at basement/ground floor level incorporating rear lightwell and new hard/soft landscaping following the demolition of the existing garage.
44 Alleyn Road London SE21 8AL · premises record
Approved
2017-10-18
More
Householder Application
Non-material amendments to planning permission 14-AP-2411 for 'Erection of a new part three storey part single storey rear extension involving the demolition of the existing two storey structure; the conversion of the existing internal garage with associated alterations to the principle elevation including the insertion of x2 windows to the ground floor; and the insertion of x13 roof lights.' consisting of: The number of proposed roof lights has changed from 13 to 10. The position of the roof lights on the south, north and west elevation has altered and one of the windows on the south elevation have slightly changed. The chimney dimensions (height and width) have been increased.
52 Alleyn Road London SE21 8AL · premises record
Approved
2017-02-14
More
Variation: Non-Material Changes
Erection of a single storey rear extension after demolition of existing glazed conservatory and creation of a raised terrace with storage units below, to the rear.
30 Alleyn Road London SE21 8AL · premises record
Approved
2016-12-21
More
Householder Application
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?
Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode 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 3 applications
Applicant on 3 applications
Applicant on 3 applications
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 3 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent44 applications and 0 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy18 EPC records; ratings D: 7, E: 4, F: 7.
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 Pro
Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.