Egham Water Treatment Works The Causeway Borough of Runnymede TW18 3BU

This site has had 3 applications since 2025: 1 approved, 0 refused.

• RU.25/0969 Granted

  Egham Water Treatment Works The Causeway Borough of Runnymede TW18 3BU

  Installation of 1 new building and 1 new kiosk to facilitate the water treatment process.

  Decided 13 Mar 2026
• RU.26/0646 Split decision

  Egham Water Treatment Works The Causeway Borough of Runnymede TW18 3BU

  Details pursuant to discharge Conditions 5 (Remediation Strategy), 6 (Verification report), 11 (Written Scheme of Investigation), 12 (Construction Environmental Management Plan (CEMP)), 14 (Biodiversity Gain Plan) and 16 (Habitat Management and Monitoring Plan) of application RU.25/0969 for the installation of 1 new building and 1 new kiosk to facilitate the water treatment process at Egham Water Treatment Works, TW18 3BU.

1. 4 Nov 2026

   Added to PlanIndex

2. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

   Runnymede took a median of 47 days over the applications it decided in the last year.

This application is with Runnymede for determination, against a statutory target of eight weeks. Over the last year Runnymede's median decision took 47 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Runnymede's portal will say. Our guide explains the common types.

• Egham Water Treatment Works The Causeway Borough of Runnymede TW18 3BU

  RU.26/0646 50 yards away

  Details pursuant to discharge Conditions 5 (Remediation Strategy), 6 (Verification report), 11 (Written Scheme of Investigation), 12 (Construction Environmental Management Plan (CEMP)), 14 (Biodiversity Gain Plan) and 16 (Habitat Management and Monitoring Plan) of application RU.25/0969 for the installation of 1 new building and 1 new kiosk to facilitate the water treatment process at Egham Water Treatment Works, TW18 3BU.

  Split decision

• Egham Water Treatment Works The Causeway Borough of Runnymede TW18 3BU

  RU.25/0969 Submitted 24 Jul 2025 50 yards away

  Installation of 1 new building and 1 new kiosk to facilitate the water treatment process.

  Granted 21 docs

• 43 Woodhaw Egham Surrey TW20 9AR

  RU.25/0612 Submitted 25 Jul 2025 100 yards away

  Change of use from a dwelling house to create 1 x 2-bedroom flat and 1 x 1-bedroom flat with hip to gable roof extension , rear dormer and a single-storey rear extension and sub-division of existing garden to provide associated amenity space.

  Refused Amendments Extension Loft or dormer 37 docs
  Small domestic

• 43 Woodhaw Egham Surrey TW20 9AR

  RU.25/1495 Submitted 23 Oct 2025 100 yards away

  Certificate of Proposed Lawful Development for a hip to gable roof conversion with x2 rear dormer windows and front rooflights.

  Granted Outline Loft or dormer Windows or glazing 27 docs

• Swan House The Causeway Staines-Upon-Thames TW18 3BF

  RU.19/1826 Submitted 30 Dec 2019 150 yards away

  Minor external works including the addition of a new metal clad canopy on North elevation with self-illuminating signage, painted masonry, resprayed window and curtain wall frames and minor landscaping with the repaving of hard standing to front entrance & replanting of existing beds.

  Granted Advertising Windows or glazing 18 docs

• Centrica Staff Car Park, Swan House Hawthorne Road Staines-upon-thames Surrey TW18 3BF

  RU.23/0521 Submitted 26 Apr 2023 150 yards away

  Advertisement Consent for the installation of No.2x External Logo Signs

  Granted Advertising 10 docs