Postcode record · Westminster
SW1P 3HQ.
SW1P 3HQ has 17 known premises and 8 planning records — 5 approved of 5 decided (100%).
Postcode SW1P 3HQ · boundary not held, centred on the postcodeApprovedRefusedOther10 on the map — every match
At a glance · this postcodeWestminster profile →
17
Premises
known addresses (UPRNs)
8
Applications
5 decided
100%
Approval rate
5 approved · 0 refused
0
EPC records
none recorded
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?
SW1P 3HQ has 17 known premises and 8 planning records — 5 approved of 5 decided (100%).
Premises
Name
Details
UPRN 10033571884
UPRN 10033582407
UPRN 10033582411
UPRN 10033582415
UPRN 10033601940
UPRN 10033624466
UPRN 10033624467
UPRN 10033624468
UPRN 10033624469
UPRN 10033624470
UPRN 10033571884
UPRN 10033582407
UPRN 10033582411
Show all 10 rows
UPRN 10033582415
UPRN 10033601940
UPRN 10033624466
UPRN 10033624467
UPRN 10033624468
UPRN 10033624469
UPRN 10033624470
Planning
What happened?
8 planning applications across the postcode; 5 approved of 5 decided (100%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replacement of single glazed roof over the basement with a lean-to roof with six Velux rooflights and new steel balustrade.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Full Planning Permission Application
Approved
2023-10-30
Replacement of existing roof level plant with nine new air conditioning units and associated pipe work. Replacement window within rear lightwell.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Full
Unknown
2006-12-19
Provision of ramp to main entrance.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Full Planning Permission Application
Approved
2004-03-09
Provision of an access ramp to main entrance.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Full Planning Permission Application
Withdrawn
2003-12-17
Noise Survey pursuant to Condition 1(i) and (ii) of planning permission dated 28 August 2003 (RN: 03/05499/FULL)
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Approval of Details (Full PP)
Approved
2003-09-18
Installation of two air conditioning units (replacing one unit) and pipework at 8th floor roof.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Full Planning Permission Application
Approved
2003-07-14
KINGS BUILDINGS DEAN STANLEY STREET LONDON SW1 - INSTALLATION OF AIR CONDITIONING PLANT ON LOWER ROOF (ABOVE 7TH FLOOR)
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Full Planning Permission Application
Approved
1996-12-04
INSTALLATION OF AIR CONDITIONING PLANT ON LOWER ROOF (ABOVE 7TH FLOOR)
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Conservation Area Consent Appl (CAC)
Not required
1996-12-04
Replacement of single glazed roof over the basement with a lean-to roof with six Velux rooflights and new steel balustrade.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Approved
2023-10-30
More
Full Planning Permission Application
Replacement of existing roof level plant with nine new air conditioning units and associated pipe work. Replacement window within rear lightwell.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Unknown
2006-12-19
More
Full
Provision of ramp to main entrance.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Approved
2004-03-09
More
Full Planning Permission Application
Show all 8 rows
Provision of an access ramp to main entrance.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Withdrawn
2003-12-17
More
Full Planning Permission Application
Noise Survey pursuant to Condition 1(i) and (ii) of planning permission dated 28 August 2003 (RN: 03/05499/FULL)
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Approved
2003-09-18
More
Approval of Details (Full PP)
Installation of two air conditioning units (replacing one unit) and pipework at 8th floor roof.
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Approved
2003-07-14
More
Full Planning Permission Application
KINGS BUILDINGS DEAN STANLEY STREET LONDON SW1 - INSTALLATION OF AIR CONDITIONING PLANT ON LOWER ROOF (ABOVE 7TH FLOOR)
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Approved
1996-12-04
More
Full Planning Permission Application
INSTALLATION OF AIR CONDITIONING PLANT ON LOWER ROOF (ABOVE 7TH FLOOR)
Kings Buildings 16 Smith Square London SW1P 3HQ · premises record
Not required
1996-12-04
More
Conservation Area Consent Appl (CAC)
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Minor works to existing 4th floor office to include the creation of new office room. · received 27 May 2025 · Sweco Building Control Ltd
Replacement of lean-to roof at the rear of the property at basement level, including replacement of 6 No rooflights, laying a new roof covering and installing a maintenance walkway with a balustrade · received 16 Oct 2024 · Socotec Building Control Ltd
Internal Alterations to Office, Ground Floor East. · received 26 Jul 2023 · Stroma Building Control Ltd
CAT B Fit out at 1st Floor. · received 9 Feb 2022 · Salus (Building Control & Fire Safety Consultants) Ltd
7th floor Office fitout. · received 26 Jan 2021 · MLM Building Control Ltd
Replacement Fire Alarm System (All Floors). · received 19 Oct 2020
Internal alterations to form open plan and cellular offices on the 4th floor of existing office building. · received 19 Feb 2020 · Butler & Young Ltd
Proposed second floor office fit out. · Stroma Building Control
Minor works to existing 4th floor office to include the creation of new office room. · received 27 May 2025 · Sweco Building Control Ltd
Replacement of lean-to roof at the rear of the property at basement level, including replacement of 6 No rooflights, laying a new roof covering and installing a maintenance walkway with a balustrade · received 16 Oct 2024 · Socotec Building Control Ltd
Internal Alterations to Office, Ground Floor East. · received 26 Jul 2023 · Stroma Building Control Ltd
Show all 8 rows
CAT B Fit out at 1st Floor. · received 9 Feb 2022 · Salus (Building Control & Fire Safety Consultants) Ltd
7th floor Office fitout. · received 26 Jan 2021 · MLM Building Control Ltd
Replacement Fire Alarm System (All Floors). · received 19 Oct 2020
Internal alterations to form open plan and cellular offices on the 4th floor of existing office building. · received 19 Feb 2020 · Butler & Young Ltd
Proposed second floor office fit out. · Stroma Building Control
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 17 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 1.1: Westminster and Whitehall Summary and Definition The APA includes the Houses of Parliament, Westminster Abbey, St Margaret’s Church, 10 Downing Street, the Banqueting House and all the other buildings on either side of W · reference 77082 · covers 17 of 17 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 17 of 17 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 17 of 17 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Smith Square · reference CONARA/1430 · covers 17 of 17 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 1.1: Westminster and Whitehall Summary and Definition The APA includes the Houses of Parliament, Westminster Abbey, St Margaret’s Church, 10 Downing Street, the Banqueting House and all the other buildings on either side of W · reference 77082 · covers 17 of 17 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 17 of 17 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 17 of 17 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Smith Square · reference CONARA/1430 · covers 17 of 17 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 8 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Case officer on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 2 applications
Agent on 2 applications
Agent on 1 application
Case officer on 3 applications
Development
What could it become?
Planning precedent8 applications and 10 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.