Planning application
25/09163/LBC
23 Blomfield Road London W9 1AD
Proposal
Alterations to the basement and rear extension and fenestration, including the installation of a door in place of the approved windows and replacement of front lightwell balustrade with railings and associated works; internal alterations including internal partition subdividing the kitchen area at lower ground floor level, alterations to the existing staircase, and other associated internal works (Part Retrospective) [Linked to 25/09172/FULL]
As published by the council, reference 25/09163/LBC
Timeline
Dates from the published record
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18 Dec 2025
Received by Westminster
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20 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 heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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25/09172/FULL Awaiting decision
23 Blomfield Road London W9 1AD
Alterations to the basement and rear extension and fenestration, including the installation of a door in place of the approved windows and replacement of front lightwell balustrade with railings and associated works (Part Retrospective) [Linked to 25/09163/LBC]
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25/06745/TCA Granted
23 Blomfield Road London W9 1AD
1 x apple (T1, rear): Crown reduction of approximately 1.5m on all aspects of tree. 1 x Handkerchief (T2, rear): Crown reduction of up to 2m. 1 x Handkerchief tree (T4, rear): Gently shape the tree by shortening overlong branches. 1 x Ginko biloba (T5, front): Remove approximately 5 epicormic shoots from the lowest branches which have shot up vertically from horizontal branches.
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25/07794/TCA Awaiting decision
22 Blomfield Road London W9 1AD
1 x golden false acacia (front): Fell 1 x Box elder (rear): crown reduce to previous, most recent reduction points (approximately 2m all round), ensuring 2m clearance from property. 2 x small suppressed cypress trees: fell Leyland cypress group: crown lift by 1-2m as required to clear garage roof by 1-1.5m. Remove dead branches overhanging the garage.
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25/07794/TPO Awaiting decision
22 Blomfield Road London W9 1AD
1 x golden false acacia (front): Fell 1 x Box elder (rear): crown reduce to previous, most recent reduction points (approximately 2m all round), ensuring 2m clearance from property. 2 x small suppressed cypress trees: fell Leyland cypress group: crown lift by 1-2m as required to clear garage roof by 1-1.5m. Remove dead branches overhanging the garage.
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25/07875/TCA Granted
22 Blomfield Road London W9 1AD
1 x Acer negundo (T3, rear): gently prune back from liquid amber to create a seperation between the 2 trees.
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26/04854/TCA Awaiting decision
2 Randolph Road London W9 1AN
Willow T1 (15M high, 250mm dia.) - Fell, causing too much shade over the tiny garden at 1a Randolph Mews.
Other heritage and listed buildings applications
In Westminster
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26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
-
26/04997/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
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26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)