Postcode record · Southwark
SE17 1LS.
SE17 1LS has 35 known premises and 10 planning records — 9 approved of 10 decided (90%). 20 EPC records.
Postcode SE17 1LS · boundary not held, centred on the postcodeApprovedRefusedOther10 exact10 on the map — every match
At a glance · this postcodeSouthwark profile →
35
Premises
known addresses (UPRNs)
10
Applications
10 decided
90%
Approval rate
9 approved · 1 refused
20
EPC records
ratings C 1 · D 15 · E 4
10
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?
SE17 1LS has 35 known premises and 10 planning records — 9 approved of 10 decided (90%). 20 EPC records.
Premises (18 of 35 shown)
Name
Details
UPRN 10000815377
UPRN 10009803832
UPRN 10090747907
UPRN 10090747908
UPRN 10090747909
UPRN 10094086511
UPRN 10094086512
UPRN 10094086513
UPRN 200003418908
UPRN 200003418909
UPRN 10000815377
UPRN 10009803832
UPRN 10090747907
Show all 10 rows
UPRN 10090747908
UPRN 10090747909
UPRN 10094086511
UPRN 10094086512
UPRN 10094086513
UPRN 200003418908
UPRN 200003418909
Planning
What happened?
10 planning applications across the postcode; 9 approved of 10 decided (90%). Latest 10 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replacement of the timber sashes with like for like double glazed timber sashes - window boxes to be retained. Replacement of rear sash windows with visual like for like double glazed UPVC equivalents. Repositioning of external door to accommodate revised kitchen layout to the rear of the property. Installation of glazed double door. Reconstruction of damaged external stair and landing with a revised stair layout.
12B Walcorde Avenue London Southwark SE17 1LS · premises record
Applicant Mr James Trevillion · Officer Joseph Vadilonga
Minor application
Approved
2025-12-03
Creation of roof terrace amenity space approx 10m2 comprising parapet wall screening and associated internal and external alteration to rear elevation to provide roof access.
14B Walcorde Avenue London SE17 1LS · premises record
Minor application
Refused
2016-05-12
Hip to gable roof extension, rear roof dormer extension; installation of x2 conservation style roof lights to front elevation
14B Walcorde Avenue London SE17 1LS · premises record
Minor application
Approved
2016-01-27
Installation of 1 x new rooflight to top floor flat
14B Walcorde Avenue London SE17 1LS · premises record
Minor application
Approved
2014-03-05
Elevational alterations to flank and rear elevations of rear addition.
3A Walcorde Avenue London SE17 1LS · premises record
Applicant Mr C Fernandez · Officer Matthew Lambert
Minor application
Approved
2012-06-22
Conversion of the existing house to 1 x 2 bedroom flat and 2 x 1 bedroom flats, with single storey extension at ground floor to the side/rear, hip to gable roof extension and dormer to rear roof slope.
1 Walcorde Avenue London SE17 1LS · premises record
Applicant Mr Alex Smith · Agent Uv Architects
Minor application
Approved
2010-07-08
Conversion from 1 flat and 1 masionette back to single dwellinghouse.
10 Walcorde Avenue London SE17 1LS · premises record
Certificate of Lawful Dev. - Proposed
Approved
2008-06-18
Conversion of the existing house to 2no. 2 bed (4 person) family units, with single storey extension at ground floor to the side/rear, hip to gable roof extension and dormer to rear roof slope.
1 Walcorde Avenue London SE17 1LS · premises record
Minor application
Approved
2008-04-10
Erection of ground floor rear extension, hip to gable roof extension and dormer to rear roof slope (Certificate of Lawfulness for a proposed development).
1 Walcorde Avenue London SE17 1LS · premises record
—
Approved
2007-12-21
Conversion of a single house (HMO) into 3no one-bedroom flats; erection of a new single-storey extension to the rear and rear dormer roof extension; alteration of several windows and doors at the rear of the property; and the creation of an opening in the front boundary wall.
4 Walcorde Avenue London SE17 1LS · premises record
—
Approved
—
Replacement of the timber sashes with like for like double glazed timber sashes - window boxes to be retained. Replacement of rear sash windows with visual like for like double glazed UPVC equivalents. Repositioning of external door to accommodate revised kitchen layout to the rear of the property. Installation of glazed double door. Reconstruction of damaged external stair and landing with a revised stair layout.
12B Walcorde Avenue London Southwark SE17 1LS · premises record
Applicant Mr James Trevillion · Officer Joseph Vadilonga
Approved
2025-12-03
More
Minor application
Creation of roof terrace amenity space approx 10m2 comprising parapet wall screening and associated internal and external alteration to rear elevation to provide roof access.
14B Walcorde Avenue London SE17 1LS · premises record
Refused
2016-05-12
More
Minor application
Hip to gable roof extension, rear roof dormer extension; installation of x2 conservation style roof lights to front elevation
14B Walcorde Avenue London SE17 1LS · premises record
Approved
2016-01-27
More
Minor application
Show all 10 rows
Installation of 1 x new rooflight to top floor flat
14B Walcorde Avenue London SE17 1LS · premises record
Approved
2014-03-05
More
Minor application
Elevational alterations to flank and rear elevations of rear addition.
3A Walcorde Avenue London SE17 1LS · premises record
Applicant Mr C Fernandez · Officer Matthew Lambert
Approved
2012-06-22
More
Minor application
Conversion of the existing house to 1 x 2 bedroom flat and 2 x 1 bedroom flats, with single storey extension at ground floor to the side/rear, hip to gable roof extension and dormer to rear roof slope.
1 Walcorde Avenue London SE17 1LS · premises record
Applicant Mr Alex Smith · Agent Uv Architects
Approved
2010-07-08
More
Minor application
Conversion from 1 flat and 1 masionette back to single dwellinghouse.
10 Walcorde Avenue London SE17 1LS · premises record
Approved
2008-06-18
More
Certificate of Lawful Dev. - Proposed
Conversion of the existing house to 2no. 2 bed (4 person) family units, with single storey extension at ground floor to the side/rear, hip to gable roof extension and dormer to rear roof slope.
1 Walcorde Avenue London SE17 1LS · premises record
Approved
2008-04-10
More
Minor application
Erection of ground floor rear extension, hip to gable roof extension and dormer to rear roof slope (Certificate of Lawfulness for a proposed development).
1 Walcorde Avenue London SE17 1LS · premises record
Approved
2007-12-21
More
—
Conversion of a single house (HMO) into 3no one-bedroom flats; erection of a new single-storey extension to the rear and rear dormer roof extension; alteration of several windows and doors at the rear of the property; and the creation of an opening in the front boundary wall.
4 Walcorde Avenue London SE17 1LS · premises record
Approved
—
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 35 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Elephant and Castle Major Town Centre · reference 106 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Central Activities Zone · reference 115 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Central Activities Zone · reference 120 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Elephant and Castle Major Town Centre · reference 225 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Central Activities Zone · reference 1 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000002 · covers 35 of 35 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Larcom Street · reference 45 · covers 35 of 35 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Elephant and Castle Major Town Centre · reference 106 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Central Activities Zone · reference 115 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Central Activities Zone · reference 120 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Show all 7 rows
Article 4 Direction Area
Elephant and Castle Major Town Centre · reference 225 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Central Activities Zone · reference 1 · covers 35 of 35 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000002 · covers 35 of 35 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Larcom Street · reference 45 · covers 35 of 35 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 10 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
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 precedent10 applications and 10 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 1, D: 15, E: 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.
4 intent signals recorded in this postcode
Repeat sale · Long hold · Ageing director
Subscribe to see the signals →Thinking about a project here?
How long would a planning application take here? →
Southwark's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Southwark, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.