88 Cambridge Street London SW1V 4QG Data via plota.co.uk

25/09032/ADFULL - Approval of Details (Full PP) Approved
Admin / procedural

Proposal

Details of the new windows on the Clarendon Street elevation to match the existing adjacent windows pursuant to condition 4 (a) of planning permission dated 13th November 2025 (RN: 25/06404/FULL) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
12 Dec 2025
✓
Approved
22 Jan 2026

Approved on 22 Jan 2026 · Delegated Decision · Last checked 3 Oct 2026

Documents 5

Decision & officer reports 2

PDF DECISION NOTICE Decision Notice · 22 Jan 2026 View ↗ PDF DRAFT DECISION / DELEGATED REPORT Decision Notice · 22 Jan 2026 View ↗

Statements & assessments 1

PDF 2504 - PLANNING STATEMENT - 251117 Background Papers · 12 Dec 2025 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 12 Dec 2025 View ↗

Other documents 1

PDF 2504 - CAMBRIDGE STREET WINDOWS Background Papers · 12 Dec 2025 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 11

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Pimlico conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 Basement Development Permitted Rights Removed. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Archaeological priority area: City of Westminster APA 3.2
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Westminster AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project 226 m away: Thames Tideway Tunnel
The site is 226 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, 227 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
14 listed buildings within 150 m
Nearest: 78-90, Alderney Street Sw1, Grade II, 38 m away · 1 Grade II*, 13 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 14 with distances
Historic England ↗
Also on the record
Registered park or garden 106 m away: Warwick Square; Inside the City of Westminster built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square.
Not affected
Not green belt · No scheduled monument at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 1

Last sold for £4,205,000 in June 2025. Terraced house, freehold.

25 June 2025£4,205,000Recorded as a transfer outside a standard sale

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area294 m² (3,165 sq ft)
Energy ratingE (48 out of 100), could reach D
PropertyEnd-terrace house, 10 habitable rooms
BuiltBefore 1900
HeatingBoiler and underfloor heating, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2024, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Westminster
Application type
Approval of Details (Full PP)
Postcode
SW1V 4QG
Received
12 Dec 2025
Validated
12 Dec 2025
Ward
Pimlico North
Case officer
Show
Target decision
6 Feb 2026
Decision
Application Permitted
Decision date
22 Jan 2026
Decision level
Delegated Decision
Applicant
Show
Agent
MMKM Architecture and Interiors Ltd

Public comments

No public comments yet.

Last counted 3 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14501162
Planning Portal ref
PP-14501162
Env. assessment
No

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025
Reinstatement of windows to the elevation of Clarendon Street.
25/06404/FULL
Within ~100m

Nearby activity

2025
Top Flat 49 St George's Drive London SW1V 4DG
Installation of replacement front, side and rear elevation single glazed sash windows wit…
25/07506/LBC
2025
Top Flat 49 St George's Drive London SW1V 4DG
Installation of replacement front, side and rear elevation single glazed sash windows wit…
25/07505/FULL
2025
89 Cambridge Street London SW1V 4PY
1 x Ginko: crown lift by 0.5m, reduce lower lateral branches to ensure clearance from pro…
25/06878/TCA
2025 Approved
106G Cambridge Street London SW1V 4QG
Installation of replacement double glazed windows at fourth floor level.
25/05397/FULL
2025 Approved
110 Cambridge Street London SW1V 4QF
1 x whitebeam: remove four small branches as identified in the submitted photo.
25/06023/TCA
2025
Flat N 29 Warwick Square London SW1V 2AD
Extension of flat N into vaults 1 & 2 & 3 situated below pavement (Retrospective permissi…
25/06516/LBC
2025
Flat N 29 Warwick Square London SW1V 2AD
Extension of flat N into vaults 1 & 2 & 3 situated below pavement (Retrospective permissi…
25/06515/FULL
2025
73 Alderney Street London SW1V 4HH
Replacement of first floor railings with traditional concreter balustrade; Replacement of…
25/06051/FULL
2025 Approved
110 Cambridge Street London SW1V 4QF
1 x whitebeam: crown reduce to previous, most recent reduction points.
25/04191/TCA
2025 Approved
79 Cambridge Street London SW1V 4PS
1 x Japanese maple: fell
25/03307/TDD
2025
91 Alderney Street London SW1V 4HF
T1 Sycamore: Reduce by 2-3m on all aspects and compass points to shape Reason: Routine ma…
25/02875/TCA
2025
106A Cambridge Street London SW1V 4QG
T2 Lime: Reduce by 2-3m on all aspects and compass points to shape Reason: Routine mainte…
25/02876/TPO
2025
Basement Flat 57 St George's Drive London SW1V 4DF
Red Robin Tree: Reduce by 2-3m from the height and reduce the sides by 1-2m to shape Reas…
25/01231/TCA
2025
73 Alderney Street London SW1V 4HH
Installation of air conditioning condensing unit within an acoustic enclosure on the rear…
25/00039/FULL
2024
Top Flat 59 St George's Drive London SW1V 4DF
Replacement of windows of the third and fourth floor flat. (Linked to 24/08038/FULL)
24/08628/LBC
2024
89 Cambridge Street London SW1V 4PY
Conversion of vault to habitable accommodation, replacement of staircase in front lightwe…
24/07389/FULL
2024
73 Alderney Street London SW1V 4HH
Alterations to external railing and boundary treatement and reconfiguration of external s…
24/06079/FULL
2024
Top Floor Flat 47 St George's Drive London SW1V 4DG
Replacement of front and rear windows with double glazed sash/casement windows; instateme…
24/04383/LBC
2024
Top Floor Flat 47 St George's Drive London SW1V 4DG
Replacement of front and rear windows with double glazed sash/casement windows; instateme…
24/04382/FULL
2024 Approved
1 Sussex Street London SW1V 4RZ
Erection of mansard roof extension including new conservation rooflight; raising existing…
24/01644/FULL
2016 Approved
Flat 1 Basement Floor 43 St George's Drive London SW1V 4DG
Internal alterations including the use of the pavement vault to form a shower room, enclo…
16/03286/LBC
2016 Approved
Warwick Square London
Installation of 2 no. additional equipment cabinets each measuring approx. 600mm x 480mm…
16/00263/TELCOM
2016 Approved
66 Cambridge Street London SW1V 4QQ
Erection of a single storey rear extension at lower ground floor level (Flat 66a).
16/00758/FULL
2016 Approved
91 Alderney Street London SW1V 4HF
1 x sycamore (rear): Crown reduce to previous, most recent reduction points.
16/01948/TCA
2016 Approved
106 Cambridge Street London SW1V 4QG
1 x Lime (rear): crown reduce to previous, most recent reduction points, retaining shorte…
16/01956/TCA
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.