Postcode record · Westminster
W1W 6LB.
W1W 6LB has 10 known premises and 12 planning records — 6 approved of 7 decided (85.7%). 4 EPC records.
Postcode W1W 6LB · boundary not held, centred on the postcodeApprovedRefusedOther12 exact12 on the map — every match
At a glance · this postcodeWestminster profile →
10
Premises
known addresses (UPRNs)
12
Applications
7 decided
85.7%
Approval rate
6 approved · 1 refused
4
EPC records
ratings C 4
12
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?
W1W 6LB has 10 known premises and 12 planning records — 6 approved of 7 decided (85.7%). 4 EPC records.
Premises
Name
Details
UPRN 10033573502
UPRN 10033573504
UPRN 10033573505
UPRN 10033613537
UPRN 10033613538
UPRN 10033613539
UPRN 10033613540
UPRN 100023466350
UPRN 100023466351
UPRN 100023620417
UPRN 10033573502
UPRN 10033573504
UPRN 10033573505
Show all 10 rows
UPRN 10033613537
UPRN 10033613538
UPRN 10033613539
UPRN 10033613540
UPRN 100023466350
UPRN 100023466351
UPRN 100023620417
Planning
What happened?
12 planning applications across the postcode; 6 approved of 7 decided (85.7%). Latest 12 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Amendments to approved scheme (RN:08/03348) for demolition of No. 6 and partial demolition of No. 5 behind a retained facade to create four mews houses comprising 2x3 bed (ground, first and second floors) and 2x4 bed (basement, ground, first and second floors) namely, the addition of two new roof access hatches to No. 5 and 5A and mansafe cable and change the existing metal roller shutter garage doors on No 5 to traditional painted timber garage doors.
5 Cavendish Mews South London W1W 6LB · premises record
Non-material amendments
Approved
2010-08-20
Approval of details pursuant to Condition 1 of conservation area consent dated 05 March 2009 (RN: 08/03349); namely details of a construction contract.
5 Cavendish Mews South London W1W 6LB · premises record
—
Approved
2010-02-04
Approval of details pursuant to Condition 1 of conservation area consent dated 5 March 2009 (RN:08/03349), namely the submission of a
5 Cavendish Mews South London W1W 6LB · premises record
Applicant Quantity Surveying & Project Management · Agent Quantity Surveying & Project Management · Officer Ken Powell
Approval of Details (ADCAC)
Refused
2010-02-03
Demolition of existing roof. Erection of mansard roof extension and internal alterations in association with the creation of 2x3 bedroom maisonettes at first and second floor levels.(site lies within curtilage of 26 Portland Place).
4 Cavendish Mews South London W1W 6LB · premises record
Full
Unknown
2009-12-03
Approval of details pursuant to condition 3(i) of planning permission dated 05 March 2009 (RN: 08/03348) namely that the angle of the mansard roof shall be a 70 degree pitch.
5 Cavendish Mews South London W1W 6LB · premises record
Applicant Howard De Walden Estates Limited · Agent Howard De Walden Management Limited · Officer Ken Powell
Approval of Details (Full PP)
Approved
2009-07-08
Complete demolition of No. 6 and demolition behind retained fa�ade at No. 5.
5 Cavendish Mews South London W1W 6LB · premises record
Conservation Area Consent Appl (CAC)
Approved
2008-04-14
Demolition of No. 6 and partial demolition of No. 5 behind a retained facade to create four mews houses comprising 2x3 bed (ground, first and second floors) and 2x4 bed (basement, ground, first and second floors).
5 Cavendish Mews South London W1W 6LB · premises record
Full Planning Permission Application
Approved
2008-04-14
Complete demolition of Nos. 5 and 6.
5 Cavendish Mews South London W1W 6LB · premises record
Conservation Area Consent Appl (CAC)
Withdrawn
2007-07-18
Demolition of two mews buildings and redevelopment to create four mews houses consisting of 2 x 3 bed houses (ground, first and second floors) and 2 x 4 bed houses (basement, ground, first and second floors). (Site includes No. 6)
5 Cavendish Mews South London W1W 6LB · premises record
Full
Unknown
—
Detailed drawings showing support and protection of parts of building which are to be kept during building work pursuant to Condition 2 of Conservation Area Consent dated 5 March 2009 (RN: 08/03349).
5 Cavendish Mews South London W1W 6LB · premises record
Applicant Howard De Walden Estates Limited · Agent Howard De Walden Management Limited · Officer Ken Powell
Approval of Details (ADCAC)
Approved
—
Amendments to approved scheme (RN:08/03348) for demolition of No. 6 and partial demolition of No. 5 behind a retained facade to create four mews houses comprising 2x3 bed (ground, first and second floors) and 2x4 bed (basement, ground, first and second floors) namely, the addition of two new roof access hatches to No. 5 and 5A and mansafe cable and change the existing metal roller shutter garage doors on No 5 to traditional painted timber garage doors.
5 Cavendish Mews South London W1W 6LB · premises record
Approved
2010-08-20
More
Non-material amendments
Approval of details pursuant to Condition 1 of conservation area consent dated 05 March 2009 (RN: 08/03349); namely details of a construction contract.
5 Cavendish Mews South London W1W 6LB · premises record
Approved
2010-02-04
More
—
Approval of details pursuant to Condition 1 of conservation area consent dated 5 March 2009 (RN:08/03349), namely the submission of a
5 Cavendish Mews South London W1W 6LB · premises record
Applicant Quantity Surveying & Project Management · Agent Quantity Surveying & Project Management · Officer Ken Powell
Refused
2010-02-03
More
Approval of Details (ADCAC)
Show all 10 rows
Demolition of existing roof. Erection of mansard roof extension and internal alterations in association with the creation of 2x3 bedroom maisonettes at first and second floor levels.(site lies within curtilage of 26 Portland Place).
4 Cavendish Mews South London W1W 6LB · premises record
Unknown
2009-12-03
More
Full
Approval of details pursuant to condition 3(i) of planning permission dated 05 March 2009 (RN: 08/03348) namely that the angle of the mansard roof shall be a 70 degree pitch.
5 Cavendish Mews South London W1W 6LB · premises record
Applicant Howard De Walden Estates Limited · Agent Howard De Walden Management Limited · Officer Ken Powell
Approved
2009-07-08
More
Approval of Details (Full PP)
Complete demolition of No. 6 and demolition behind retained fa�ade at No. 5.
5 Cavendish Mews South London W1W 6LB · premises record
Approved
2008-04-14
More
Conservation Area Consent Appl (CAC)
Demolition of No. 6 and partial demolition of No. 5 behind a retained facade to create four mews houses comprising 2x3 bed (ground, first and second floors) and 2x4 bed (basement, ground, first and second floors).
5 Cavendish Mews South London W1W 6LB · premises record
Approved
2008-04-14
More
Full Planning Permission Application
Complete demolition of Nos. 5 and 6.
5 Cavendish Mews South London W1W 6LB · premises record
Withdrawn
2007-07-18
More
Conservation Area Consent Appl (CAC)
Demolition of two mews buildings and redevelopment to create four mews houses consisting of 2 x 3 bed houses (ground, first and second floors) and 2 x 4 bed houses (basement, ground, first and second floors). (Site includes No. 6)
5 Cavendish Mews South London W1W 6LB · premises record
Unknown
—
More
Full
Detailed drawings showing support and protection of parts of building which are to be kept during building work pursuant to Condition 2 of Conservation Area Consent dated 5 March 2009 (RN: 08/03349).
5 Cavendish Mews South London W1W 6LB · premises record
Applicant Howard De Walden Estates Limited · Agent Howard De Walden Management Limited · Officer Ken Powell
Approved
—
More
Approval of Details (ADCAC)
Building control
Building-control records are not yet collected for Westminster — 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 10 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 10 of 10 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 10 of 10 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Harley Street · reference 07/01600/CONARA · covers 10 of 10 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 10 of 10 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 10 of 10 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 10 of 10 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Harley Street · reference 07/01600/CONARA · covers 10 of 10 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 12 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 1 application
Case officer on 4 applications
Case officer on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 9 rows
Applicant on 1 application
Agent on 4 applications
Agent on 2 applications
Agent on 1 application
Case officer on 4 applications
Case officer on 3 applications
Development
What could it become?
Planning precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy4 EPC records; ratings C: 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
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.
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.