Postcode record · Westminster
W1K 3HW.
W1K 3HW has 2 known premises and 7 planning records — 2 approved of 5 decided (40%).
No OS boundary is held for this postcode yet, so no shape is drawn.
At a glance · this postcodeWestminster profile →
2
Premises
known addresses (UPRNs)
7
Applications
5 decided
40%
Approval rate
2 approved · 1 refused
0
EPC records
none recorded
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 3HW has 2 known premises and 7 planning records — 2 approved of 5 decided (40%).
Premises
Name
Details
UPRN 10033629605
UPRN 100023474349
UPRN 10033629605
UPRN 100023474349
Planning
What happened?
7 planning applications across the postcode; 2 approved of 5 decided (40%). Latest 7 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Infill of vehicle garage access on Mount Row, infill of lightwell and skylights at ground floor level, renewing glass facade of link building, new plant on roof.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Full Planning Permission Application
Pending
2026-03-16
Installation of two air-conditioning units at lower ground floor level in front lightwell and one one air-conditioning unit at lower ground floor level in central lightwell.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Full Planning Permission Application
Refused
2016-11-11
Installation of four air condensing units to be located at rear ground floor level.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Full Planning Permission Application
Approved
2012-09-20
Replacement of existing water chiller for air conditioning system at No. 48.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Conservation Area Consent Appl (CAC)
Not required
2012-07-12
Installation of air conditioning system at roof level.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Full Planning Permission Application
Approved
2012-07-12
Installation of replacement water chiller at roof level.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Applicant Honeywell Control Systems Ltd · Agent Honeywell Control Systems Ltd · Officer Shane Cadogan
Full Planning Permission Application
Withdrawn
2004-11-17
Replacement of water chiller with air conditioning system and upgrading of plant.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Full
Unknown
—
Infill of vehicle garage access on Mount Row, infill of lightwell and skylights at ground floor level, renewing glass facade of link building, new plant on roof.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Pending
2026-03-16
More
Full Planning Permission Application
Installation of two air-conditioning units at lower ground floor level in front lightwell and one one air-conditioning unit at lower ground floor level in central lightwell.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Refused
2016-11-11
More
Full Planning Permission Application
Installation of four air condensing units to be located at rear ground floor level.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Approved
2012-09-20
More
Full Planning Permission Application
Show all 7 rows
Replacement of existing water chiller for air conditioning system at No. 48.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Not required
2012-07-12
More
Conservation Area Consent Appl (CAC)
Installation of air conditioning system at roof level.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Approved
2012-07-12
More
Full Planning Permission Application
Installation of replacement water chiller at roof level.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Applicant Honeywell Control Systems Ltd · Agent Honeywell Control Systems Ltd · Officer Shane Cadogan
Withdrawn
2004-11-17
More
Full Planning Permission Application
Replacement of water chiller with air conditioning system and upgrading of plant.
Investcorp House 48 Grosvenor Street London W1K 3HW · premises record
Unknown
—
More
Full
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Internal alterations to 3rd floor office layout. · received 3 Nov 2021 · Salus (Building Control & Fire Safety Consultants) Ltd
Proposed refurbishment of toilet and shower blocks and certain other areas on the lower, ground, 1st, 2nd, 3rd and 4th floors. · received 20 Jul 2020 · Coast 2 Coast Building Control Ltd
Internal alterations to 3rd floor office layout. · received 3 Nov 2021 · Salus (Building Control & Fire Safety Consultants) Ltd
Proposed refurbishment of toilet and shower blocks and certain other areas on the lower, ground, 1st, 2nd, 3rd and 4th floors. · received 20 Jul 2020 · Coast 2 Coast Building Control Ltd
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 7 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
Agent on 3 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Development
What could it become?
Planning precedent7 applications and 0 mapped decisions in this postcode — precedent for what has been permitted and refused here.
EnergyNo EPC records joined yet.
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.
No intent signal is currently recorded in this postcode.
Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.