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Planning application

20 KNOLL CRESCENT NORTHWOOD

Granted Hillingdon 18410/APP/2026/1625 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

Single storey front extension & garage conversion

As published by the council, reference 18410/APP/2026/1625

Application record

Reference
18410/APP/2026/1625
Type
Full
Status
Approval
Decision
Permitted
Received
30 Jun 2026
Validated
9 Jul 2026
Decided
27 Aug 2026
Ward
NORTHWOOD 2022

Timeline

Dates from the published record

  1. 30 Jun 2026

    Received by Hillingdon

  2. 9 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 12 Aug 2026

    Added to PlanIndex

  4. 27 Aug 2026

    Decision issued: Permitted

Documents

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

4 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 this grant of permission means

Hillingdon granted permission on 27 August 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

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