Postcode record · Westminster
W1K 3EP.
W1K 3EP has 17 known premises and 6 planning records — 5 approved of 5 decided (100%). 8 EPC records.
No OS boundary is held for this postcode yet, so no shape is drawn.
At a glance · this postcodeWestminster profile →
17
Premises
known addresses (UPRNs)
6
Applications
5 decided
100%
Approval rate
5 approved · 0 refused
8
EPC records
ratings C 4 · D 4
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?
W1K 3EP has 17 known premises and 6 planning records — 5 approved of 5 decided (100%). 8 EPC records.
Premises
Name
Details
UPRN 10033535743
UPRN 10033535744
UPRN 10033535745
UPRN 10033535746
UPRN 10033535747
UPRN 10033535748
UPRN 10033535749
UPRN 10033535750
UPRN 10033582755
UPRN 10033645785
UPRN 10033535743
UPRN 10033535744
UPRN 10033535745
Show all 10 rows
UPRN 10033535746
UPRN 10033535747
UPRN 10033535748
UPRN 10033535749
UPRN 10033535750
UPRN 10033582755
UPRN 10033645785
Planning
What happened?
6 planning applications across the postcode; 5 approved of 5 decided (100%). Latest 6 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of two air condenser units at roof level and two ventilation grills in rear first floor windows.
Flat 2 49 Grosvenor Square London W1K 3EP · premises record
Full Planning Permission Application
Approved
2025-08-18
Replacement of second floor front elevation and lightwell windows with double glazed timber windows.
Flat 3 49 Grosvenor Square London W1K 3EP · premises record
Full Planning Permission Application
Approved
2025-04-09
Replacement of all timber window sashes to double glazed sashes. (Flat 6, third floor)
Flat 6 49 Grosvenor Square London W1K 3EP · premises record
Full
Unknown
2024-02-26
Installation of replacement windows
Flat 2 49 Grosvenor Square London W1K 3EP · premises record
Full Planning Permission Application
Approved
2023-08-25
Installation of two air conditioning unit at roof level.
Flat 3 49 Grosvenor Square London W1K 3EP · premises record
Full Planning Permission Application
Approved
2023-03-29
Erection of balustrade and laying of decking at roof level to facilitate use of roof as terrace for use in association with Flat 11 (Class C3).
Flat 11 49 Grosvenor Square London W1K 3EP · premises record
Full Planning Permission Application
Approved
2020-01-22
Installation of two air condenser units at roof level and two ventilation grills in rear first floor windows.
Flat 2 49 Grosvenor Square London W1K 3EP · premises record
Approved
2025-08-18
More
Full Planning Permission Application
Replacement of second floor front elevation and lightwell windows with double glazed timber windows.
Flat 3 49 Grosvenor Square London W1K 3EP · premises record
Approved
2025-04-09
More
Full Planning Permission Application
Replacement of all timber window sashes to double glazed sashes. (Flat 6, third floor)
Flat 6 49 Grosvenor Square London W1K 3EP · premises record
Unknown
2024-02-26
More
Full
Show all 6 rows
Installation of replacement windows
Flat 2 49 Grosvenor Square London W1K 3EP · premises record
Approved
2023-08-25
More
Full Planning Permission Application
Installation of two air conditioning unit at roof level.
Flat 3 49 Grosvenor Square London W1K 3EP · premises record
Approved
2023-03-29
More
Full Planning Permission Application
Erection of balustrade and laying of decking at roof level to facilitate use of roof as terrace for use in association with Flat 11 (Class C3).
Flat 11 49 Grosvenor Square London W1K 3EP · premises record
Approved
2020-01-22
More
Full Planning Permission Application
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Internal alterations throughout including wall removals, new partitioning, replacement windows and associated works. · received 12 Jul 2023 · PWC Building Control Services Ltd
Refurbishment and alterations throughout flat 6 including structural works and new services. · received 16 May 2022 · Shore Engineering Ltd
Construction of 6no New Dormers, Installation of New Windows/Doors, Internal Alterations and Refurbishment Works to Existing Top Floor Flat on 6th Floor including New Roof Terrace with Access Stair and Roof-light.
Internal alterations throughout including wall removals, new partitioning, replacement windows and associated works. · received 12 Jul 2023 · PWC Building Control Services Ltd
Refurbishment and alterations throughout flat 6 including structural works and new services. · received 16 May 2022 · Shore Engineering Ltd
Construction of 6no New Dormers, Installation of New Windows/Doors, Internal Alterations and Refurbishment Works to Existing Top Floor Flat on 6th Floor including New Roof Terrace with Access Stair and Roof-light.
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 6 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
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 3 applications
Case officer on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 3 applications
Case officer on 1 application
Development
What could it become?
Planning precedent6 applications and 0 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 4, D: 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 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
Portfolio seller · Long hold
Subscribe to see the signals → Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.