Planning Atlas
AtlasPostcodeSW1X8AL
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Planning Atlas›Westminster›…Knightsbridge & Belgravia ward›SW1X 8AL
Postcode record · Westminster

SW1X 8AL.

SW1X 8AL has 44 known premises and 42 planning records — 31 approved of 36 decided (86.1%). 17 EPC records.

Postcode SW1X 8AL · boundary not held, centred on the postcodeApprovedRefusedOther89 on the map — every match
At a glance · this postcodeWestminster profile →
44
Premises
known addresses (UPRNs)
42
Applications
36 decided
86.1%
Approval rate
31 approved · 3 refused
17
EPC records
ratings C 4 · D 9 · E 3 · F 1
89
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 8AL has 44 known premises and 42 planning records — 31 approved of 36 decided (86.1%). 17 EPC records.

Premises (18 of 44 shown)

Name
Details
UPRN 10033548924
UPRN 10033552183
UPRN 10033554884
UPRN 10033554885
UPRN 10033563355
UPRN 10033563360
UPRN 10033563368
UPRN 10033563369
UPRN 10033563370
UPRN 10033563371
UPRN 10033548924
UPRN 10033552183
UPRN 10033554884
Show all 10 rows
UPRN 10033554885
UPRN 10033563355
UPRN 10033563360
UPRN 10033563368
UPRN 10033563369
UPRN 10033563370
UPRN 10033563371
Planning

What happened?

42 planning applications across the postcode; 31 approved of 36 decided (86.1%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Confirmation that the planning permission dated 26th April 2023 (RN: 22/05260/FULL) for the 'Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North)' was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.
46 Eaton Place London SW1X 8AL · premises record
Applicant Mr Sean Mullaney · Agent Montagu Evans · Officer Jonathon Metcalfe
Certificate of Lawfulness (proposed)
Approved
2025-12-23
Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level; and associated internal alterations including to plan form and provision of lift (Site includes 20 Eaton Mews North). (Linked with 25/04439/FULL)
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent Montagu Evans LLP · Officer Jonathon Metcalfe
Listed Building Consent Application
Approved
2025-06-27
Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent Montagu Evans LLP · Officer Jonathon Metcalfe
Full Planning Permission Application
Approved
2025-06-27
Amendments to planning permission dated 06 July 2017 (RN: 17/03700/FULL) (as amended on 12 March 2019 (RN: 19/00018/FULL) and 30 April 2020 (RN: 20/01904/FULL) to allow minor material amendments) for 'Addition of a mansard roof extension and associated alterations to the mews property; excavation to create a new basement level with swimming pool below mews house and part rear of main house, erection of rear infill extensions at lower ground and ground floor level, erection of rear extensions at first and second floor level, and a roof access enclosure at main roof level, creation of terraces at first and main roof level, mechanical plant, and associated external alterations in connection with the use as a single family dwellinghouse (site includes 24 Eaton Mews North)'. Namely, alterations to front and rear elevations including installation of three CCTV cameras, a sounder bell box, door entry panels, and new timber panelled entrance doors.
38 Eaton Place London SW1X 8AL · premises record
Non-material amendments
Refused
2023-04-10
Internal alterations on all floor levels.
38 Eaton Place London SW1X 8AL · premises record
Listed Building Consent Application
Approved
2023-04-06
Enlargement of rooftop AC plant enclosure (linked with 22/08565/FULL).
38 Eaton Place London SW1X 8AL · premises record
Listed Building Consent Application
Approved
2022-12-20
Enlargement of rooftop AC plant enclosure (linked with 22/08566/LBC).
38 Eaton Place London SW1X 8AL · premises record
Full Planning Permission Application
Approved
2022-12-20
Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, replacement of windows and doors on all elevations, and internal alterations (site includes 20 Eaton Mews North).
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent DP9 · Officer Nosheen Javed
Listed Building Consent Application
Approved
2022-08-02
Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North).
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent DP9 · Officer Nosheen Javed
Full Planning Permission Application
Approved
2022-08-02
Variation of condition 1 of planning permission dated 12 March 2019 (RN 19/00018/FULL) for the Addition of a mansard roof extension and associated alterations to the mews property; excavation to create a new basement level with swimming pool below mews house and part rear of main house, erection of rear infill extensions at lower ground and ground floor level, erection of rear extensions at first and second floor level, and a roof access enclosure at main roof level, creation of terraces at first and main roof level, mechanical plant, and associated external alterations in connection with the use as a single family dwellinghouse (site includes 24 Eaton Mews North) NAMELY, to alter rooflights on first floor level.
38 Eaton Place London SW1X 8AL · premises record
Applicant Mr Neil Rosen · Agent Savills · Officer Nikki Mitchell
Full Planning Permission Application
Approved
2020-03-16
Confirmation that the planning permission dated 26th April 2023 (RN: 22/05260/FULL) for the 'Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North)' was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.
46 Eaton Place London SW1X 8AL · premises record
Applicant Mr Sean Mullaney · Agent Montagu Evans · Officer Jonathon Metcalfe
Approved
2025-12-23
More
Certificate of Lawfulness (proposed)
Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level; and associated internal alterations including to plan form and provision of lift (Site includes 20 Eaton Mews North). (Linked with 25/04439/FULL)
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent Montagu Evans LLP · Officer Jonathon Metcalfe
Approved
2025-06-27
More
Listed Building Consent Application
Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent Montagu Evans LLP · Officer Jonathon Metcalfe
Approved
2025-06-27
More
Full Planning Permission Application
Show all 10 rows
Amendments to planning permission dated 06 July 2017 (RN: 17/03700/FULL) (as amended on 12 March 2019 (RN: 19/00018/FULL) and 30 April 2020 (RN: 20/01904/FULL) to allow minor material amendments) for 'Addition of a mansard roof extension and associated alterations to the mews property; excavation to create a new basement level with swimming pool below mews house and part rear of main house, erection of rear infill extensions at lower ground and ground floor level, erection of rear extensions at first and second floor level, and a roof access enclosure at main roof level, creation of terraces at first and main roof level, mechanical plant, and associated external alterations in connection with the use as a single family dwellinghouse (site includes 24 Eaton Mews North)'. Namely, alterations to front and rear elevations including installation of three CCTV cameras, a sounder bell box, door entry panels, and new timber panelled entrance doors.
38 Eaton Place London SW1X 8AL · premises record
Refused
2023-04-10
More
Non-material amendments
Internal alterations on all floor levels.
38 Eaton Place London SW1X 8AL · premises record
Approved
2023-04-06
More
Listed Building Consent Application
Enlargement of rooftop AC plant enclosure (linked with 22/08565/FULL).
38 Eaton Place London SW1X 8AL · premises record
Approved
2022-12-20
More
Listed Building Consent Application
Enlargement of rooftop AC plant enclosure (linked with 22/08566/LBC).
38 Eaton Place London SW1X 8AL · premises record
Approved
2022-12-20
More
Full Planning Permission Application
Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, replacement of windows and doors on all elevations, and internal alterations (site includes 20 Eaton Mews North).
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent DP9 · Officer Nosheen Javed
Approved
2022-08-02
More
Listed Building Consent Application
Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North).
46 Eaton Place London SW1X 8AL · premises record
Applicant Not disclosed · Agent DP9 · Officer Nosheen Javed
Approved
2022-08-02
More
Full Planning Permission Application
Variation of condition 1 of planning permission dated 12 March 2019 (RN 19/00018/FULL) for the Addition of a mansard roof extension and associated alterations to the mews property; excavation to create a new basement level with swimming pool below mews house and part rear of main house, erection of rear infill extensions at lower ground and ground floor level, erection of rear extensions at first and second floor level, and a roof access enclosure at main roof level, creation of terraces at first and main roof level, mechanical plant, and associated external alterations in connection with the use as a single family dwellinghouse (site includes 24 Eaton Mews North) NAMELY, to alter rooflights on first floor level.
38 Eaton Place London SW1X 8AL · premises record
Applicant Mr Neil Rosen · Agent Savills · Officer Nikki Mitchell
Approved
2020-03-16
More
Full Planning Permission Application

Building control

Building-control applications and notices in this postcode, from the council register.

Name
Details
Reconfiguration and Refurbishment of First Floor Flat, Second Floor Flat and Common Areas, Refitting of Kitchens, Bathrooms and Services, Reglazing of Windows and Alterations to the Rear Extension of the First Floor Flat with Ancillary Works. · received 7 May 2026 · Thames Building Control Ltd
Fit out of the existing shell and core residential property. · received 19 Jan 2022 · Sweco Building Control Ltd
Removed the wall between living room and kitchen (approved by structural engineer that the wall is not structural). Decoration and making good of walls, install new kitchen and bathroom, rewired the flat with professional electrician, apply wooden floor. · received 24 Sept 2020 · Zhuoer Wu
Reconfiguration and Refurbishment of First Floor Flat, Second Floor Flat and Common Areas, Refitting of Kitchens, Bathrooms and Services, Reglazing of Windows and Alterations to the Rear Extension of the First Floor Flat with Ancillary Works. · received 7 May 2026 · Thames Building Control Ltd
Fit out of the existing shell and core residential property. · received 19 Jan 2022 · Sweco Building Control Ltd
Removed the wall between living room and kitchen (approved by structural engineer that the wall is not structural). Decoration and making good of walls, install new kitchen and bathroom, rewired the flat with professional electrician, apply wooden floor. · received 24 Sept 2020 · Zhuoer Wu
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 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 9 applications
Applicant on 6 applications
Applicant on 4 applications
Applicant on 4 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Agent on 9 applications
Agent on 6 applications
Agent on 4 applications
Applicant on 9 applications
Applicant on 6 applications
Applicant on 4 applications
Show all 10 rows
Applicant on 4 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Agent on 9 applications
Agent on 6 applications
Agent on 4 applications
Development

What could it become?

Planning precedent42 applications and 89 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 4, D: 9, E: 3, F: 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.

12 intent signals recorded in this postcode
Charge registered · Repeat sale · Price decline · EPC F/G · Long hold · Ageing director
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.