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Planning application

HAYDON HOUSE, 296 JOEL STREET EASTCOTE PINNER

Awaiting decision Hillingdon 51321/APP/2025/2991

Works: Extension Loft or dormer Roofing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

First floor front extension, roof alterations including rooflights and rear dormers, conversion of loft space to habitable accommodation, and internal reconfiguration to enlarge Flat 5 from a one-bedroom flat to a three-bedroom flat.

As published by the council, reference 51321/APP/2025/2991

Application record

Reference
51321/APP/2025/2991
Status
Undecided
Received
26 Nov 2025
Validated
13 Jan 2026

Site history

Applications at this address on the Hillingdon register

This site has had 4 applications since 2025: 2 approved, 1 refused.

  • 51321/APP/2025/2714 Granted

    HAYDON HOUSE, 296 JOEL STREET EASTCOTE PINNER

    Details pursuant to the discharge of Conditions 5 (Parking Allocation Plan) and 8 (Construction Management and Logistics Plan) of planning permission ref. 51321/APP/2025/1649, dated 09-10-25 (Change of use from offices (Use Class E) to residential (Use Class C3) to create eight self-contained flats under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).

    Decided 24 Nov 2025 Full applications
  • 51321/APP/2025/2718 Granted

    HAYDON HOUSE, 296 JOEL STREET EASTCOTE PINNER

    Details pursuant to the discharge of Conditions 16, 17 and 18 (Details of a staircase privacy screen) of planning permission ref. 51321/APP/2025/1642, dated 26-08-25 (Alteration to elevations to include the installation of two side-facing doors, two rear doors, one front window, and an external staircase)

    Decided 15 Dec 2025 Full applications
  • 51321/APP/2025/2472 Refused

    HAYDON HOUSE, 296 JOEL STREET EASTCOTE PINNER

    Two storey front extension and conversion of loft space into habitable accommodation to create an additional 1-bed self-contained flat with balcony on the front elevation. Addition of new rooflights and second floor window.

    Decided 12 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 26 Nov 2025

    Received by Hillingdon

  2. 13 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 10 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hillingdon took a median of 57 days over the applications it decided in the last year.

What happens while it is decided

This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 57 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 Hillingdon's portal will say. Our guide explains the common types.