Planning application
20-21 Warren Street, London, W1T 5LT
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of a/c unit at below ground level, enclosure, and all associated works (retrospective).
As published by the council, reference 2026/3583/L
Application record
- Reference
- 2026/3583/L
- Type
- Listed Building Consent
- Status
- Registered
- Received
- 20 Aug 2026
- Validated
- 20 Aug 2026
- Ward
- Bloomsbury
- Postcode
- W1T 5LT
Site history
Applications at this address on the Camden register
This site has had 7 applications since 2022: 2 approved, 2 refused.
-
2026/2830/P Awaiting decision
20-21 Warren Street, London, W1T 5LT
Installation of a/c unit at below ground level, enclosure, and all associated works (retrospective).
-
2022/0787/L Refused
20-21, Warren Street London W1T 5LT
Installation of extraction flue to rear elevation
-
2022/0319/P Refused
20-21 Warren Street London W1T 5LT
Installation of extraction flue to rear elevation
-
2022/0147/P Granted
20-21 Warren Street London W1T 5LT
Alterations to ground floor frontage, involving the replacement of existing front railings with 1.5 metre high railings and side access gate to basement level from the street.
-
2022/1753/L Granted
20-21 Warren Street London W1T 5LT
External alterations to ground floor frontage in connection with refurbishment of shopfront, including replacement of existing front railings with 1.5 metre high railings and side access gate to basement level from the street, fixing of a non-illuminated hanging sign, and general works of refurbishment.
-
2022/2777/A Withdrawn
20-21 Warren Street London W1T 5LT
New hand painted signage directly onto the existing mounted sign depicting coffee trees and a coffee farmer with Qima coffee logo.
Timeline
Dates from the published record
-
20 Aug 2026
Received by Camden
-
22 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 15 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 42 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
2 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided heritage and listed building applications in a median of 55 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
20-21 Warren Street London W1T 5LT
New hand painted signage directly onto the existing mounted sign depicting coffee trees and a coffee farmer with Qima coffee logo.
Withdrawn Trees -
20-21 Warren Street London W1T 5LT
Alterations to ground floor frontage, involving the replacement of existing front railings with 1.5 metre high railings and side access gate to basement level from the street.
Granted Full applications -
20-21 Warren Street London W1T 5LT
External alterations to ground floor frontage in connection with refurbishment of shopfront, including replacement of existing front railings with 1.5 metre high railings and side access gate to basement level from the street, fixing of a non-illuminated hanging sign, and general works of refurbishment.
Granted Heritage and listed buildings Windows or glazing -
20-21, Warren Street London W1T 5LT
Installation of extraction flue to rear elevation
Refused Heritage and listed buildings -
20-21 Warren Street London W1T 5LT
Installation of extraction flue to rear elevation
Refused Full applications -
20-21 Warren Street, London, W1T 5LT
91% historically approved · decision due ~15 Oct
Installation of a/c unit at below ground level, enclosure, and all associated works (retrospective).
Awaiting decision Full applications 6 docs
Other heritage and listed building applications
In Camden
-
2026/0825/L Granted
88 Frognal London NW3 6XB
Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)
-
2026/2946/L Awaiting decision
Flat 1, 73 Eton Avenue London NW3 3EU
Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.
-
2026/3754/L Awaiting decision
10 Great Ormond Street London Camden WC1N 3RB
Coversion of 3 flats into 4 and internal alterations to the listed building
-
2026/2194/L Withdrawn
Dunboyne Road Estate Dunboyne Road London NW3 2YY
Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.
-
2026/3773/L Awaiting decision
47 Kelly Street London NW1 8PG
Replacement of concrete roof tiles with slate roof tiles (Retrospective)