Postcode record · Westminster
SW1X 8DP.
SW1X 8DP has 11 known premises and 4 planning records — 2 approved of 2 decided (100%). 3 EPC records.
Postcode SW1X 8DP · boundary not held, centred on the postcodeApprovedRefusedOther55 on the map — every match
At a glance · this postcodeWestminster profile →
11
Premises
known addresses (UPRNs)
4
Applications
2 decided
100%
Approval rate
2 approved · 0 refused
3
EPC records
ratings D 3
55
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 8DP has 11 known premises and 4 planning records — 2 approved of 2 decided (100%). 3 EPC records.
Premises
Name
Details
UPRN 10033537704
UPRN 10033537705
UPRN 10033614792
UPRN 100022775591
UPRN 100022775592
UPRN 100022775593
UPRN 100022775595
UPRN 100022775596
UPRN 100022775597
UPRN 100023348156
UPRN 10033537704
UPRN 10033537705
UPRN 10033614792
Show all 10 rows
UPRN 100022775591
UPRN 100022775592
UPRN 100022775593
UPRN 100022775595
UPRN 100022775596
UPRN 100022775597
UPRN 100023348156
Planning
What happened?
4 planning applications across the postcode; 2 approved of 2 decided (100%). Latest 4 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Amendments to planning permission dated 13 October 2011 (RN: 11/05199) for construction of a roof extension (from a flat roof to a pitched roof) and alterations to windows at rear, namely to change one of the three windows at the rear of No. 77 and to omit the central glazing division from the new rooflights.
77 - 79A Lyall Mews West London SW1X 8DP · premises record
Non-material amendments
Approved
2013-04-10
Construction of a roof extension (from a flat roof to a pitched roof) and alterations to windows at rear.
77 - 79A Lyall Mews West London SW1X 8DP · premises record
Full Planning Permission Application
Approved
2011-05-31
Erection of mansard roof extension in connection with use of first and second floors as 2 x 2 bedroom maisonettes.
77-79A Lyall Mews West London SW1X 8DP · premises record
Full Planning Permission Application
Withdrawn
2010-04-06
Construction of a roof extension (from a flat roof to a pitched roof) and alterations to existing window positions to rear.
77 - 79A Lyall Mews West London SW1X 8DP · premises record
—
Unknown
—
Amendments to planning permission dated 13 October 2011 (RN: 11/05199) for construction of a roof extension (from a flat roof to a pitched roof) and alterations to windows at rear, namely to change one of the three windows at the rear of No. 77 and to omit the central glazing division from the new rooflights.
77 - 79A Lyall Mews West London SW1X 8DP · premises record
Approved
2013-04-10
More
Non-material amendments
Construction of a roof extension (from a flat roof to a pitched roof) and alterations to windows at rear.
77 - 79A Lyall Mews West London SW1X 8DP · premises record
Approved
2011-05-31
More
Full Planning Permission Application
Erection of mansard roof extension in connection with use of first and second floors as 2 x 2 bedroom maisonettes.
77-79A Lyall Mews West London SW1X 8DP · premises record
Withdrawn
2010-04-06
More
Full Planning Permission Application
Show all 4 rows
Construction of a roof extension (from a flat roof to a pitched roof) and alterations to existing window positions to rear.
77 - 79A Lyall Mews West London SW1X 8DP · premises record
Unknown
—
More
—
Building control
No building-control application or notice is recorded in this postcode in the borough register we hold.
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 11 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 11 of 11 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 11 of 11 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 11 of 11 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 4 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Applicant on 2 applications
Applicant on 1 application
Agent on 2 applications
Show all 7 rows
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent4 applications and 55 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy3 EPC records; ratings D: 3.
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.
No intent signal is currently recorded in this postcode.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.