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Planning application

25 DELLFIELD CRESCENT COWLEY UB8 2ET

Granted Hillingdon 79754/APP/2025/2703 Full

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.20 metres, and for which the height of the eaves would be 3.00 metres.

As published by the council, reference 79754/APP/2025/2703

Application record

Reference
79754/APP/2025/2703
Type
Full
Status
Prior Approval N/Req
Decision
Permitted
Received
21 Oct 2025
Validated
23 Oct 2025
Decided
24 Nov 2025
Ward
UXBRIDGE 2022
Postcode
UB8 2ET

Timeline

Dates from the published record

  1. 21 Oct 2025

    Received by Hillingdon

  2. 23 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Nov 2025

    Decision issued: Permitted

  4. 12 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

9 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 documents

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 70 DELLFIELD CRESCENT UXBRIDGE UB8 2EU

    80093/APP/2026/1291 Submitted 25 May 2026 69m away

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.40 metres, and for which the height of the eaves would be 2.90 metres

    Granted Full applications Extension 5 docs
    Small domestic

  • 35 DELLFIELD CRESCENT COWLEY UB8 2EU

    79487/APP/2025/2234 Submitted 20 Aug 2025 69m away

    86% historically approved · decision due ~15 Oct

    Erection of a single storey rear extension to existing garage (Retrospective application)

    Awaiting decision Extension
    Small domestic

  • 29 CLAMMAS WAY COWLEY UXBRIDGE UB8 3AN

    77795/APP/2025/2979 Submitted 25 Nov 2025 79m away

    Erection of 2x two storey, 3 bed dwelling with associated parking, amenity space, cycle and refuse stores, following the demolition of existing bungalow

    Granted Full applications Demolition 19 docs
    Domestic

  • 29 CLAMMAS WAY COWLEY UB8 3AN

    77795/APP/2026/1937 Submitted 5 Aug 2026 79m away

    86% historically approved · decision due ~30 Sep

    Details pursuant to the discharge of Conditions 3 (Landscape Scheme) of planning permission ref. 77795/APP/2025/2979, dated 27-04-2026 (Erection of 2x two storey, 3 bed dwelling with associated parking, amenity space, cycle and refuse stores, following the demolition of existing bungalow)

    Decided Demolition
    Domestic

  • 29 CLAMMAS WAY COWLEY UB8 3AN

    77795/APP/2026/1938 Submitted 5 Aug 2026 79m away

    86% historically approved · decision due ~30 Sep

    Details pursuant to the discharge of Conditions 4 (Demolition and Construction Management Plan) of planning permission ref. 77795/APP/2025/2979, dated 27-04-2026 (Erection of 2x two storey, 3 bed dwelling with associated parking, amenity space, cycle and refuse stores, following the demolition of existing bungalow)

    Decided Demolition
    Domestic

  • 29 CLAMMAS WAY COWLEY UB8 3AN

    77795/APP/2026/1741 Submitted 10 Jul 2026 79m away

    86% historically approved · decision due ~4 Sep

    Details pursuant to the discharge of Condition 7 (step free access) of planning permission ref. 77795/APP/2025/2979, dated 27-04-26 (Erection of 2x two storey, 3 bed dwelling with associated parking, amenity space, cycle and refuse stores, following the demolition of existing bungalow)

    Awaiting decision Demolition
    Domestic

In Hillingdon

  • 80149/APP/2026/1572 Granted

    14 LADYGATE LANE RUISLIP HA4 7QU

    Erection of single storey side and rear wraparound extension, a front porch, amendments to fenestration and roof lights to the front, side and rear sloped roof, following the removal of the rear chimney and garden shed. (Description Amended)

    24 Jun 2026 Full applications
  • 79879/APP/2026/1749 Granted

    21 NORTH AVENUE HAYES UB3 2JE

    Erection of part single storey, part double storey rear extension

    13 Jul 2026 Full applications
  • 74889/APP/2026/1363 Granted

    32 MANOR ROAD HAYES UB3 2DG

    Erection of a first-floor rear extension.

    1 Jun 2026 Full applications
  • 53073/APP/2026/1645 Granted

    50 MINET DRIVE HAYES UB3 3JW

    Erection of a part single storey, part two storey extension to the rear

    1 Jul 2026 Full applications
  • 80172/APP/2026/1717 Refused

    6 SQUIRRELS TRADING ESTATE VIVEASH CLOSE HAYES UB3 4RZ

    Change of use from Class B8 to Class E retail

    8 Jul 2026 Full applications