Planning application
25/06568/OUT
5 Lanhill Road London W9 2BP
Proposal
Use of maisonette on the first and second floors as two self contained units (one flat on the first floor and another flat on the second floor extending upwards into vacant loft space); use of existing rear basement and ground floor extension to replicate adjoining extension of 3 Lanhill Road incorporating new rooms into first and second floor flat levels with roof terrace above; and internal reconstruction works.
As published by the council, reference 25/06568/OUT
Timeline
Dates from the published record
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15 Sep 2025
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About outline applications
How this application type works
An outline application tests the principle of developing a site before the detail is worked up. Some or all of the particulars, such as appearance, layout, scale, access and landscaping, are held back as reserved matters for later approval. Permission at outline stage does not by itself allow building to start; the reserved matters must be approved first.
Nearby applications
Within 500 metres
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26/02415/FULL Awaiting decision
28 Lanhill Road London W9 2BS
Replacement of existing single glazed timber framed windows and doors with new double glazed timber framed windows and doors; roof works to main roof including replacement roof hatch.
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25/06804/FULL Awaiting decision
Maida Garden Flat 158 Shirland Road London W9 2BT
Erection of a single storey side/rear extension at lower ground floor level.
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25/09246/NMA Refused
5 Grittleton Road London W9 2DD
Amendments to planning permission granted by Appeal Decision dated 26 August 2025 (WCC RN: 25/01993/FULL; Appeal Ref: APP/X5990/W/25/3367634) for the erection of a single-storey side and rear extension to lower ground floor flat. NAMELY, minor repositioning of the approved lightwell within the footprint of the consented rear extension. The lightwell remains of the same size, depth, and design as previously approved and continues to provide natural light and ventilation to the internal accommodation; and revised design and material to rear elevation doors from approved sets of timber French doors with Crittall-style bifolding doors.
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26/03982/ADFULL Awaiting decision
Flat 1 5 Grittleton Road London W9 2DD
Details of an approval of a method statement explaining the measures you will take to protect the trees on and close to the site; detailed design relating to the foundations and floor slab; and details of a biodiversity management plan in relation to the living green roof pursuant to conditions 5, 6, 8 of planning permission dated 3rd June 2025 (RN 25/02022/FULL)
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26/03981/ADFULL Awaiting decision
Flat 1 5 Grittleton Road London W9 2DD
Details of tree protection / landscape works (including green roof) / biodiversity management plan pursuant to conditions 5 (partial) 6 and 7 of planning permission granted at appeal dated 26 August 2025 (RN: 25/00067/TPREF)
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25/08796/NMA Granted
Basement 8 Grittleton Road London W9 2DD
Amendments to planning permission dated 28 June 2024 (RN: 23/07655/FULL) for the erection of a new infill extension, demolition of rear infill conservatory, erection of a new single story rear extension, alterations of lower ground floor flat and replacement windows to front elevation; NAMELY replacement of three rooflights with a single rooflight.
Other outline applications
In Westminster
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26/02475/EIASCR Awaiting decision
1 Embankment Place London WC2N 6RH
Request for a screening opinion under Regulation 6 of the Town and Country Planning (Environmental Impact Assessment) Regulations 2017 (as amended) for alterations to the existing building to provide a new extension to Villers Street; partial façade replacement and new external terraces; roof level extensions; refurbishment and associated alterations; public realm and highway works.
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26/00988/EIASCR Decided
St Marys N H S Trust Praed Street London W2 1NY
Works to The Bays building (to be known as the Fleming Centre) comprising demolition of the existing roof, internal floors, internal walls and ground floor slab; retention of, and alteration to, the existing external walls and facade; and construction of new four-storey vertical extension, plus a roof level including a rooftop terrace, to provide a mixed-use building comprising: Exhibition, education and multifunctional space (F1/Sui Generis); Healthcare research laboratories and consulting rooms with associated clinical spaces (Class E(g)(ii)); and/or Offices, workspace and meeting space (Class E(g)(i)). Demolition of existing portacabin, waste store, Vacuum Insulated Evaporator tank and compound; construction of ancillary pavilion structure; new public realm; new hard and soft landscaping; works to the canal wall; together with provision of servicing, refuse storage, cycle parking, plant equipment and all other associated works.
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25/07754/EIASCR Awaiting decision
10 Victoria Street London SW1H 0NN
Request for a screening opinion under Regulation 6 of the Town and Country Planning (Environmental Impact Assessment) Regulations 2017 (as amended) for the demolition of existing buildings to ground floor, retention of basement, and erection of replacement building of up to 13 storeys (plus two storeys of basement), to provide 25,000 sqm building comprising active ground floor Class E uses and upper floor Class E offices.
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25/07396/OUT Awaiting decision
Development Site At Chelsea Barracks Chelsea Bridge Road London
Variation of Conditions 1, 2, 3, 53, 54, 55 and 58 of planning permission dated 16 November 2018 (RN 18/04103/OUT) as amended by decisions dated 23 January and 20 October 2025 (RNs 24/08839/NMA and 25/07210/NMA) for: "Variation of Conditions 1, 6, 9, 26, 46, 53, 54 and 55 of outline permission dated 12 March 2018 (RN: 17/07176/OUT) for the demolition of existing former barracks buildings and warehouse (Dove Walk) in connection with the redevelopment of the site for mixed use purposes comprising residential (Class C3), sports centre (Class D2), retail (flexible use within Class A1/A2/A3), health centre (Class D1), non-residential institution/leisure uses (flexible use within Classes D1 and/or D2); hard and soft landscaping and open space; reconfigured and new vehicular and pedestrian accesses and works to the public highway; together with all associated works including the construction of basement to provide ancillary vehicular and cycle parking, circulation, servicing and plant areas and alterations to perimeter railings." Namely, the reconfiguration of Phase 5 from the consented 20 townhouses to 87 apartments (Class C3) across three blocks (Buildings 12, 13 and 14) and the associated increase in building footprint, massing and height and the omission of one basement level.
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25/05755/APAD Granted
London Electricity Plc Aberdeen Place NW8 8NS
Notification for demolition of electricity transformer and brick noise enclosure under Schedule 2, Part 11, Class B of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).