Postcode record · Westminster
W9 1EZ.
W9 1EZ has 87 known premises and 16 planning records — 10 approved of 16 decided (62.5%). 33 EPC records.
No OS boundary is held for this postcode yet, so no shape is drawn.
At a glance · this postcodeWestminster profile →
87
Premises
known addresses (UPRNs)
16
Applications
16 decided
62.5%
Approval rate
10 approved · 2 refused
33
EPC records
ratings B 2 · C 17 · D 7 · E 6 · F 1
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?
W9 1EZ has 87 known premises and 16 planning records — 10 approved of 16 decided (62.5%). 33 EPC records.
Premises (18 of 87 shown)
Name
Details
UPRN 10033526048
UPRN 10033526049
UPRN 10033526050
UPRN 10033531575
UPRN 10033531576
UPRN 10033531577
UPRN 10033531578
UPRN 10033531580
UPRN 10033548076
UPRN 10033550965
UPRN 10033526048
UPRN 10033526049
UPRN 10033526050
Show all 10 rows
UPRN 10033531575
UPRN 10033531576
UPRN 10033531577
UPRN 10033531578
UPRN 10033531580
UPRN 10033548076
UPRN 10033550965
Planning
What happened?
16 planning applications across the postcode; 10 approved of 16 decided (62.5%). Latest 16 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replace existing rear pitched lantern light for a flat opaque roof light.
2B Castellain Road London W9 1EZ · premises record
Full Planning Permission Application
Approved
2021-12-21
Amendments to planning permission 4th November 2014 (RN: 14/03729/FULL) for Retention of garden room extension at lower ground floor level. Namely, for removal of defective pitched rooflight and replace with new walk on flat rooflight with opaque finish to glass.
2B Castellain Road London W9 1EZ · premises record
Non-material amendments
Refused
2021-12-03
Amendments to planning permission 28th June 2013 (RN: 13/01175/FULL) for Construction of a frame, set of French doors and glass roof to create a garden room in alignment with the main exterior walls of the property. Namely, removal of defective pitched rooflight and replace with new walk on flat rooflight with opaque finish to glass.
2B Castellain Road London W9 1EZ · premises record
Non-material amendments
Refused
2021-11-21
Details of sash windows and dormer windows pursuant to Condition 4 of planning permission dated 31 October 2016 (RN: 16/10337/FULL).
Flat 3 6 Castellain Road London W9 1EZ · premises record
Approval of Details (Full PP)
Approved
2018-11-26
Demolition and rebuilding of front roofslope with a dormer and replacement of rear roof slope with new third floor extension. Installation of access hatch to provide roof access.
Flat 3 6 Castellain Road London W9 1EZ · premises record
Full Planning Permission Application
Approved
2016-10-28
Installation of replacement timber sash windows and timber french doors.
Flat 11 Katherine Court 2C Castellain Road London W9 1EZ · premises record
Full Planning Permission Application
Approved
2014-06-04
Roof extension to provide additional accommodation to top floor flat.
Flat 3 6 Castellain Road London W9 1EZ · premises record
Full Planning Permission Application
Approved
2014-05-02
Retention of garden room extension at lower ground floor level.
2B Castellain Road London W9 1EZ · premises record
Full Planning Permission Application
Approved
2014-04-22
Construction of a frame, set of French doors and glass roof to create a garden room in alignment with the main exterior walls of the property.
2B Castellain Road London W9 1EZ · premises record
Applicant Mr Mark Krendel · Officer Matthew Black
Full Planning Permission Application
Approved
2013-02-07
Amalgamation of three flats to single family dwelling.
5 Castellain Road London W9 1EZ · premises record
Full Planning Permission Application
Approved
2012-04-23
Replace existing rear pitched lantern light for a flat opaque roof light.
2B Castellain Road London W9 1EZ · premises record
Approved
2021-12-21
More
Full Planning Permission Application
Amendments to planning permission 4th November 2014 (RN: 14/03729/FULL) for Retention of garden room extension at lower ground floor level. Namely, for removal of defective pitched rooflight and replace with new walk on flat rooflight with opaque finish to glass.
2B Castellain Road London W9 1EZ · premises record
Refused
2021-12-03
More
Non-material amendments
Amendments to planning permission 28th June 2013 (RN: 13/01175/FULL) for Construction of a frame, set of French doors and glass roof to create a garden room in alignment with the main exterior walls of the property. Namely, removal of defective pitched rooflight and replace with new walk on flat rooflight with opaque finish to glass.
2B Castellain Road London W9 1EZ · premises record
Refused
2021-11-21
More
Non-material amendments
Show all 10 rows
Details of sash windows and dormer windows pursuant to Condition 4 of planning permission dated 31 October 2016 (RN: 16/10337/FULL).
Flat 3 6 Castellain Road London W9 1EZ · premises record
Approved
2018-11-26
More
Approval of Details (Full PP)
Demolition and rebuilding of front roofslope with a dormer and replacement of rear roof slope with new third floor extension. Installation of access hatch to provide roof access.
Flat 3 6 Castellain Road London W9 1EZ · premises record
Approved
2016-10-28
More
Full Planning Permission Application
Installation of replacement timber sash windows and timber french doors.
Flat 11 Katherine Court 2C Castellain Road London W9 1EZ · premises record
Approved
2014-06-04
More
Full Planning Permission Application
Roof extension to provide additional accommodation to top floor flat.
Flat 3 6 Castellain Road London W9 1EZ · premises record
Approved
2014-05-02
More
Full Planning Permission Application
Retention of garden room extension at lower ground floor level.
2B Castellain Road London W9 1EZ · premises record
Approved
2014-04-22
More
Full Planning Permission Application
Construction of a frame, set of French doors and glass roof to create a garden room in alignment with the main exterior walls of the property.
2B Castellain Road London W9 1EZ · premises record
Applicant Mr Mark Krendel · Officer Matthew Black
Approved
2013-02-07
More
Full Planning Permission Application
Amalgamation of three flats to single family dwelling.
5 Castellain Road London W9 1EZ · premises record
Approved
2012-04-23
More
Full Planning Permission Application
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Rebuilding a cupboard to house electrical intake for the building and electrical meters after removal of an existing cupboard that contains asbestos by an HSE registered asbestos removal specialist. · received 1 May 2026
Removal of residual non-loadbearing chimney breastm, enlargement of existing door opening, replacement of doors with fire doors and general refurbishment. · received 13 May 2025 · Ebor Mills Building Control Ltd
Complete renovations including, dormer extension and new balcony to third floor, new terrace to ground floor with stair access to the garden. New windows throughout, new window sizes to the rear, reconfiguration of floors with new bathrooms, relocated kitchen, new services/electrics throughout with air conditioning to bedrooms. · received 22 Feb 2022 · London Building Control Ltd
Replace roof, roof light and side walls to door to lower ground garden rooms. · received 19 Nov 2021 · JM Partnership (Surveyors) Ltd
32C Castellain Road: Complete refurbishment of existing property to include third floor extension to the existing dormers, removal of existing chimney breast, insertion of a new bathroom. New electrical fittings & wiring throughout with new manifold, new boiler & cylinder. New windows/French doors proposed to the rear dormer, new sash window proposed to the front dormer.
Rebuilding a cupboard to house electrical intake for the building and electrical meters after removal of an existing cupboard that contains asbestos by an HSE registered asbestos removal specialist. · received 1 May 2026
Removal of residual non-loadbearing chimney breastm, enlargement of existing door opening, replacement of doors with fire doors and general refurbishment. · received 13 May 2025 · Ebor Mills Building Control Ltd
Complete renovations including, dormer extension and new balcony to third floor, new terrace to ground floor with stair access to the garden. New windows throughout, new window sizes to the rear, reconfiguration of floors with new bathrooms, relocated kitchen, new services/electrics throughout with air conditioning to bedrooms. · received 22 Feb 2022 · London Building Control Ltd
Show all 5 rows
Replace roof, roof light and side walls to door to lower ground garden rooms. · received 19 Nov 2021 · JM Partnership (Surveyors) Ltd
32C Castellain Road: Complete refurbishment of existing property to include third floor extension to the existing dormers, removal of existing chimney breast, insertion of a new bathroom. New electrical fittings & wiring throughout with new manifold, new boiler & cylinder. New windows/French doors proposed to the rear dormer, new sash window proposed to the front dormer.
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 16 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 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 3 applications
Applicant on 3 applications
Applicant on 2 applications
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 precedent16 applications and 0 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy33 EPC records; ratings B: 2, C: 17, D: 7, 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 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.
11 intent signals recorded in this postcode
Repeat sale · Price decline · EPC F/G · Long hold · Ageing director
Subscribe to see the signals → Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.