Planning application
KASHIBA HOUSE NORTHGATE NORTHWOOD HA6 2TH
Works: Extension Loft or dormer Windows or glazing 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 part single storey, part double storey extension to the side/rear, installation of rear dormers and roof lights including amendments to fenestration
As published by the council, reference 69523/APP/2025/2337
Application record
- Reference
- 69523/APP/2025/2337
- Type
- Full
- Status
- Approval
- Decision
- Permitted
- Received
- 15 Sep 2025
- Validated
- 15 Sep 2025
- Decided
- 6 Nov 2025
- Ward
- NORTHWOOD 2022
- Postcode
- HA6 2TH
Site history
Applications at this address on the Hillingdon register
This site has had 2 applications since 2021: 2 approved, 0 refused.
-
69523/APP/2021/1305 Granted
KASHIBA HOUSE NORTHGATE NORTHWOOD HA6 2TH
Two storey side/rear extension, 5 additional dormer windows and 6 rooflights
Timeline
Dates from the published record
-
15 Sep 2025
Received by Hillingdon
-
6 Nov 2025
Decision issued: Permitted
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
18 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 this grant of permission means
Hillingdon granted permission on 6 November 2025, 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.
Nearby applications
Within 500 metres
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Langham House NORTHGATE NORTHWOOD HA6 2TH
TPO 173 A1 x1 Hornbeam (T1 on application) to reduce the height by 4 metres and spread by 1-2 metres. 2x Hornbeam (T2 and T3 on application) to reduce the height by 4 metres and spread by 2-3 metres. 3x Hornbeams (T4 on application) To reduce the height by 4 metres and spread by 2-3 metres.
Granted Trees 6 docs -
KASHIBA HOUSE NORTHGATE NORTHWOOD HA6 2TH
Two storey side/rear extension, 5 additional dormer windows and 6 rooflights
Granted Full applications Extension Loft or dormer +1 37 docs -
MALLARDS NORTHGATE NORTHWOOD HA6 2TJ
86% historically approved · decision due ~2 Oct
Non-material amendment to planning permission ref. 79080/APP/2025/801, dated dated 18-07-2025 (Erection of a part single storey, part two storey extension to the front, side and rear of the dwelling with amendments to fenestration. Conversion of roof space to habitable use including front and rear dormers, raising of the existing ridge line and 2 no. front facing and 4 no. rear facing roof lights and new flat roof canopy over main entrance.). Amendments to the first floor rear fenestration.
Awaiting decision Extension Loft or dormer +1Small domestic -
MALLARDS NORTHGATE NORTHWOOD HA6 2TJ
Details pursuant to the discharge of Condition 3 (Construction Management Plan) of planning permission ref. 79080/APP/2025/801, dated 18-07-2025 (Erection of a part single storey, part two storey extension to the front, side and rear of the dwelling with amendments to fenestration. Conversion of roof space to habitable use including front and rear dormers, raising of the existing ridge line and 2 no. front facing and 4 no. rear facing roof lights and new flat roof canopy over main entrance.
Granted Full applications Extension Loft or dormer +1 4 docsSmall domestic -
MALLARDS NORTHGATE NORTHWOOD HA6 2TJ
86% historically approved · decision due ~17 Feb
Non-material amendment to planning permission ref. 79080/APP/2025/801, dated 18-07-2025 (Erection of a part single storey, part two storey extension to the front, side and rear of the dwelling with amendments to fenestration. Conversion of roof space to habitable use including front and rear dormers, raising of the existing ridge line and 2 no. front facing and 4 no. rear facing roof lights and new flat roof canopy over main entrance.) to have 1 instead of 2 rear windows to first floor, guttering to be changed to black, and front facing sills to be in brick.
Awaiting decision Extension Loft or dormer +1Small domestic -
3 BUTTSMEAD NORTHWOOD HA6 2TL
TPO 35 T4 1x Oak to reduce crown back to previous pruning points (approx up to 2m reduction) & T2 1x Oak to reduce crown by up to 3m to reduce lateral weight.
Granted Trees 4 docs
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80149/APP/2026/1572 Granted
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79879/APP/2026/1749 Granted
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53073/APP/2026/1645 Granted
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Erection of a part single storey, part two storey extension to the rear
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80172/APP/2026/1717 Refused
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