Planning application
Trinity Building HM Prison Wandsworth Heathfield Road SW18 3HX
Works: Extension Windows or glazing
Relates to 2026/3160
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Alterations to all window openings and installation of replacement or brick infill windows in the Trinity Building (G, H and K wings) [see associated planning application ref. 2026/3160].
As published by the council, reference 2026/3164
Application record
- Reference
- 2026/3164
- Status
- REGISTERED
- Received
- 8 Sep 2026
- Postcode
- SW18 3HX
Site history
Applications at this address on the Wandsworth register
This site has had 2 applications since 2026.
-
2026/3160 Awaiting decision
Trinity Building HM Prison Wandsworth Heathfield Road SW18 3HX
Alterations to all window openings and installation of replacement or brick infill windows in the Trinity Building (G, H and K wings)[See associated listed building application ref. 2026/3164].
Timeline
Dates from the published record
-
8 Sep 2026
Received by Wandsworth
-
8 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 3 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Wandsworth took a median of 60 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
2026/3160 Awaiting decision
Trinity Building HM Prison Wandsworth Heathfield Road SW18 3HX
Alterations to all window openings and installation of replacement or brick infill windows in the Trinity Building (G, H and K wings)[See associated listed building application ref. 2026/3164].
What happens while it is decided
This application is with Wandsworth for determination, against a statutory target of eight weeks. Over the last year Wandsworth's median decision took 60 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Wandsworth's portal will say. Our guide explains the common types.
Nearby applications
Within 500 metres
-
HMP Wandsworth Heathfield Road SW18 3HX
89% historically approved · decision due ~15 Sep
Internal and external alterations in connection with Fire Safety Improvement works including new smoke extract vents/fans for the Trinity Building (G, H and K Wings) and new 2-storey plant room adjoining H Wing
Awaiting decision -
Trinity Building HM Prison Wandsworth Heathfield Road SW18 3HX
89% historically approved · decision due ~3 Nov
Alterations to all window openings and installation of replacement or brick infill windows in the Trinity Building (G, H and K wings)[See associated listed building application ref. 2026/3164].
Awaiting decision Extension Windows or glazing -
HMP Wandsworth Heathfield Road SW18 3HX
89% historically approved · decision due ~15 Sep
Internal and external alterations in connection with Fire Safety Improvement works including new smoke extract vents/fans for the Trinity Building (G, H and K Wings) and new 2-storey plant room adjoining H Wing
Awaiting decision -
-
Chapel HMP Wandsworth Heathfield Road SW18 3HX
89% historically approved · decision due ~22 Sep
Demolition and rebuilding of single-storey northeastern extension of chapel building and other minor facade and internal alterations
Awaiting decision Extension DemolitionSmall domestic -
HMP Wandsworth Heathfield Road SW18 3HX
Non-material amendment to planning permission dated 26/08/2025 ref 2025/0890 and 2025/0981 (Internal and external alterations in connection with Fire Safety Improvement works including new smoke extract vents/fans for the Trinity Building (G, H and K Wings), together with new single storey fire pump house (in staff car park), and new LV switchroom connection involving demolition and replacement of existing bike shed. [See associated listed building application ref. 2025/0981].) to Trinity Building only and allow an increase height of mesh cages for smoke extract; smaller roof vents; new vent outlets in roof; new SVP and new plant roof on southside of H Wing
Withdrawn DemolitionSmall domestic