9 Sharps Lane – Planning Application for an 18 Bed Care Home REFUSED

Overview of the Application

Hillingdon Council has refused the planning application for an 18‑bed care home at 9 Sharps Lane (Ref: 73218/APP/2026/706). The formal decision notice was published earlier today, and the RRA has now reviewed the full officer’s report see link to it here

https://planning.hillingdon.gov.uk/OcellaWeb/viewDocument?file=dv_pl_files%5C73218_APP_2026_706%5COREPDEL-73218_APP_2026_706-YIS-20260619-09371362724.pdf&module=pl.

Site Context and Heritage Significance

9 Sharps Lane occupies one of the narrowest and most historic sections of the lane, close to the Bury Street junction and opposite a row of 19th‑century cottages that contribute to the traditional village character. The site lies within the Ruislip Village Conservation Area, which was extended in 2009 to include this part of Sharps Lane due to its historic layout, long garden plots and surviving early boundary features.

A key heritage element is the locally listed 18th/early 19th‑century boundary wall fronting the street. This wall is a designated heritage asset and a rare surviving fragment of the early Ruislip Park Estate. Its age, materials and construction make an important contribution to the Conservation Area and the historic streetscape.

The wall also forms the historic boundary to the long rear garden, a characteristic feature of this part of Ruislip. Both the RRA and the Ruislip, Northwood & Eastcote Local History Society (RNELHS) highlighted the sensitivity of this setting, noting that increased traffic, on‑street servicing, vibration and loss of garden depth could all pose risks to the wall and the wider Conservation Area.

Reasons for Refusal

The Council refused the application for three principal reasons, summarised below.

1. Harm to the Conservation Area and Poor Design

The officer concluded that the proposed extensions would create an overly large, dominant and visually intrusive building that would:

• overwhelm the original house
• dominate views from Sharps Lane and the adjacent car park
• erode the verdant rear garden character
• harm the setting of the locally listed boundary wall
• fail to preserve or enhance the Ruislip Village Conservation Area

The scheme was described as clear overdevelopment, conflicting with multiple design and heritage policies.

2. Harm to Neighbour Amenity (No. 11 Sharps Lane)

The two‑storey rear extension—approximately 25 metres deep—would create:

• an increased sense of enclosure, and
• loss of outlook to the garden and habitable rooms of No. 11

This was judged to be unacceptable and contrary to Policy DMHB 11.

3. Biodiversity Net Gain – Insufficient Information

The applicant did not provide adequate evidence to demonstrate that the loss of habitat and trees could be mitigated or compensated in line with statutory Biodiversity Net Gain requirements. The proposal therefore failed to comply with national and local policy.

How the Refusal Reasons Compare with RRA and RNELHS Objections

There is strong alignment between the Council’s refusal and the concerns raised by both the RRA and RNELHS.

Areas of Alignment

• Heritage and Conservation Area harm Both groups highlighted the sensitivity of the site and the importance of the locally listed wall. The officer agreed, identifying substantial harm to the Conservation Area and the historic setting.
• Overdevelopment and excessive massing The RRA raised concerns about the scale, depth and institutional character of the extension. The officer’s report mirrors this, describing the proposal as visually dominant and out of keeping.
• Loss of trees and ecological impact Both objections noted the removal of 13 trees and the resulting biodiversity loss. The Council refused the application partly due to failure to demonstrate Biodiversity Net Gain.
• Neighbour amenity The RRA highlighted overshadowing and loss of outlook. The officer refused the scheme on this basis for No. 11.

Areas Where the Officer’s Reasons Were Narrower

The Council did not refuse the application on:

• highways, access or parking grounds
• emergency access or servicing
• construction impacts
• validation gaps
• operational viability or need assessment

These issues were raised by residents and the RRA but were not used as formal refusal reasons.

Next Steps

The RRA will continue to monitor any future applications for this site. We thank all our local Councillors, MP residents and other local groups who submitted comments and helped ensure that the planning issues were fully examined.