Planning Atlas
AtlasPostcodeSW1X9HE
Planning AtlasWestminsterKnightsbridge & Belgravia wardSW1X 9HE
Postcode record · Westminster

SW1X 9HE.

SW1X 9HE has 28 known premises and 2 planning records — 2 approved of 2 decided (100%). 15 EPC records.

Postcode SW1X 9HE · boundary not held, centred on the postcodeApprovedRefusedOther2 exact2 on the map — every match
At a glance · this postcodeWestminster profile →
28
Premises
known addresses (UPRNs)
2
Applications
2 decided
100%
Approval rate
2 approved · 0 refused
15
EPC records
ratings C 9 · D 5 · E 1
2
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?

SW1X 9HE has 28 known premises and 2 planning records — 2 approved of 2 decided (100%). 15 EPC records.

Premises (18 of 28 shown)

Planning

What happened?

2 planning applications across the postcode; 2 approved of 2 decided (100%). Latest 2 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Installation of four air conditioning units to replace existing at roof level and glazed stair enclosure to roof terrace, together with alterations to fenestration at sixth floor level.
Penthouse Flat 25 Lowndes Square London SW1X 9HE · premises record
Applicant Mr P Noble · Agent Oliver Morgan Architects · Officer Ailsa Gornall
Full Planning Permission Application
Approved
2006-03-27
ALTERATIONS AT 6TH FLOOR & ROOF LEVEL INCL. INFILL OF REAR TERRACE AT 6TH FLR LEVEL & CONSTRUCTION OF CONSERVATORY & NEW TERRACE AT ROOF LEVEL BETWEEN ROOF SLOPES.
23-25 Lowndes Square London SW1X 9HE · premises record
Applicant SUN LIFE PROPERTIES · Agent FAREBROTHER · Officer Julia Roberts
Full Planning Permission Application
Approved
1999-07-12
Installation of four air conditioning units to replace existing at roof level and glazed stair enclosure to roof terrace, together with alterations to fenestration at sixth floor level.
Penthouse Flat 25 Lowndes Square London SW1X 9HE · premises record
Applicant Mr P Noble · Agent Oliver Morgan Architects · Officer Ailsa Gornall
Approved
2006-03-27
More
Full Planning Permission Application
ALTERATIONS AT 6TH FLOOR & ROOF LEVEL INCL. INFILL OF REAR TERRACE AT 6TH FLR LEVEL & CONSTRUCTION OF CONSERVATORY & NEW TERRACE AT ROOF LEVEL BETWEEN ROOF SLOPES.
23-25 Lowndes Square London SW1X 9HE · premises record
Applicant SUN LIFE PROPERTIES · Agent FAREBROTHER · Officer Julia Roberts
Approved
1999-07-12
More
Full Planning Permission Application

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 28 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 28 of 28 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 28 of 28 premises. Some normally permitted changes may require planning permission.
People

Who is involved?

Named on the latest 2 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Show all 6 rows
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent2 applications and 2 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 9, D: 5, E: 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.

2 intent signals recorded in this postcode
Repeat sale · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.