Our Lady Of The Rosary School Park Avenue Staines-upon-Thames TW18 2EF

1. 3 Feb 2026

   Received by Spelthorne

2. 12 Mar 2026

   Decision issued: Grant Cert Lawful Prop Use/Dev

3. 11 Aug 2026

   Added to PlanIndex

• Application: 13/00825/FUL (Decided (Approved))
• Application: 15/01699/FUL (Decided (Approved))

Spelthorne granted permission on 12 March 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.

• 34 Guildford Street Staines-upon-Thames TW18 2EQ

  17/01264/DC1 Submitted 11 Oct 2019 100 yards away

  Discharge of Condition 2 (revised attic layout)

  Granted Conditions 2 docs

• 7 Guildford Street Staines-upon-Thames TW18 2EQ

  26/00850/HOU Submitted 11 Aug 2026 100 yards away

  Erection of a single storey rear extension, following removal of existing conservatory. Conversion of garage into habitable space (office/gym) with extension to rear, raising of roof and associated changes to fenestration. Extension to front porch. Dropped kerb to facilitate off-street parking.

  Decided Householder Extension Windows or glazing 15 docs
  Small domestic

• 133 Laleham Road Staines-upon-Thames TW18 2EG

  21/00878/DC1 Submitted 6 Feb 2023 100 yards away

  Discharge of conditions relating to planning permission 21/00878/FUL Conditions 3 (Construction Transport Management Plan), 7 (Materials), 11 (Ground Conditions), 12 (Demolition Statement)

  Granted Conditions Demolition 14 docs

• 125 Laleham Road Staines-upon-Thames TW18 2EG

  21/01176/HOU Submitted 18 Jul 2021 100 yards away

  Erection of a part two storey part single storey rear extension. New roof including increase in ridge height and rear facing dormer

  Granted Householder Extension Loft or dormer +1 29 docs
  Small domestic

• 8 Guildford Street Staines-upon-Thames TW18 2EQ

  26/00249/CPD Submitted 12 Mar 2026 100 yards away

  Certificate of Lawfulness for proposed side facing dormer with roof light in front plane of roof (as shown on plan no's JNG8-03-11-25 A, /B, /C received 12.03.2026.

  Granted Lawful development Loft or dormer 9 docs

• 9 Park Avenue Staines-upon-Thames TW18 2EF

  24/01258/CLD Submitted 23 Oct 2024 150 yards away

  Certificate of Lawfulness for the existing garage, following removal of original garage structure.

  Granted Lawful development 12 docs

• 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