11 Ash Grove Staines-upon-Thames TW18 1JE

This site has had 3 applications since 2019: 3 approved, 0 refused.

• 19/01733/HOU Granted

  11 Ash Grove Staines-upon-Thames TW18 1JE

  Erection of a front porch, two storey side extension, and a part single storey, part two storey rear extension (following demolition of garage).

  Decided 21 Feb 2020 Householder
• 19/01526/PDH Granted

  11 Ash Grove Staines-upon-Thames TW18 1JE

  Prior Approval Notification for a single storey rear extension measuring 4 metres in depth beyond the rear wall of the original dwellinghouse measuring a maximum height of 3 metres and a height to the eaves of 2.85 metres. (As shown on plans: Location plan, RSJ/19/E100, RSJ/19/P100 received on 11.11.2019)

  Decided 12 Dec 2019 Prior approval

1. 26 Mar 2026

   Received by Spelthorne

2. 16 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 9 Jun 2026

   Decision issued: Grant Cert Lawful Prop Use/Dev

4. 11 Aug 2026

   Added to PlanIndex

• Application: 19/01733/HOU (Decided (Approved))

Spelthorne granted permission on 9 June 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 11 Ash Grove Staines-upon-Thames TW18 1JE

  19/01526/PDH Submitted 11 Nov 2019 50 yards away

  Prior Approval Notification for a single storey rear extension measuring 4 metres in depth beyond the rear wall of the original dwellinghouse measuring a maximum height of 3 metres and a height to the eaves of 2.85 metres. (As shown on plans: Location plan, RSJ/19/E100, RSJ/19/P100 received on 11.11.2019)

  Granted Prior approval Extension 5 docs
  Small domestic

• 11 Ash Grove Staines-upon-Thames TW18 1JE

  19/01733/HOU Submitted 30 Dec 2019 50 yards away

  Erection of a front porch, two storey side extension, and a part single storey, part two storey rear extension (following demolition of garage).

  Granted Householder Extension Demolition 8 docs
  Small domestic

• 50 Hurstdene Avenue Staines-upon-Thames TW18 1JQ

  21/01179/HOU Submitted 19 Jul 2021 50 yards away

  Erection of a part first floor side extension and part two storey part single storey rear extension along the erection of an infill single storey front porch.

  Granted Householder Extension 14 docs
  Small domestic

• 4 Ash Grove Staines-upon-Thames TW18 1JD

  21/00919/CPD Submitted 1 Jun 2021 50 yards away

  Certificate of Lawfulness for the proposed development of loft alterations to include a hip to gable alteration, a rear facing dormer with Juliet Balcony, 3 no. roof lights within the front roof slope.

  Granted Lawful development Loft or dormer 17 docs

• 31 Hazel Grove Staines-upon-Thames TW18 1JJ

  26/00328/HOU Submitted 30 Mar 2026 50 yards away

  Proposed single storey rear/side extension

  Granted Householder Extension 8 docs
  Small domestic

• 20 Ash Grove Staines-upon-Thames TW18 1JD

  26/00276/CPD Submitted 18 Mar 2026 50 yards away

  Certificate of lawfulness for proposed use of dwellinghouse (Use Class C3a) as a residential home for up to 3 no. adults to receive care on site.

  Decided 12 docs
  Domestic

• 26/00916/CPD Awaiting decision

  9 Alexandra Road Ashford TW15 1TW

  Certificate of Lawfulness for proposed conversion of roof space into habitable room, to include a rear dormer and conversion of roof from hip to gable end and 2 no roof lights on front of roof.

  Received 31 Aug, published by the council 9 Sep 2026 Lawful development
• 26/00452/CLD Granted

  177A Feltham Road Ashford TW15 1BB

  Certificate of Lawfulness for existing use of the ground floor flat as a small HMO (Use Class C4)

  Received 4 May, published by the council 30 Jul 2026 Lawful development
• 26/00200/CLD Granted

  73 Nursery Gardens Staines-upon-Thames TW18 1EL

  Certificate of Lawfulness to establish the lawful use of the property is as a House in Multiple Occupation (Use Class C4) for up to six occupants. As shown on site location plan and block plan no EX-1003 and Pre-Existing Floor Plans (Page 01 of 02) and Existing Floor Plans (Page 02 of 02) received 27.02.2026.

  Received 26 Feb, published by the council 30 Jul 2026 Lawful development
• 26/00383/CPD Refused

  13 Meadow Road Ashford TW15 1PL

  Certificate of lawfulness for proposed change of use from a 6 Person HMO (Class C4) to a 7 Person HMO (Sui-Generis)

  Received 14 Apr, published by the council 30 Jul 2026 Lawful development
• 26/00437/CLD Refused

  4 Sunmead Road Sunbury-on-Thames TW16 6PE

  Certificate of Existing Lawfulness for the conversion of a C3 dwellinghouse to a C4 small 6-person HMO.

  Received 28 Apr, published by the council 30 Jul 2026 Lawful development