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

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

• 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.

• RU.26/1491 Awaiting decision

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

  Section 73 Application to vary conditions 2 (Approved Plans), 4 (Flood Risk Assessment) and 13 (Preliminary Ecological Appraisal) of planning permission RU.25/0969 for the installation of 1 new building and 1 new kiosk to facilitate the water treatment process

1. 24 Jul 2025

   Received by Runnymede

2. 13 Mar 2026

   Decision issued: Grant Consent - subject to conditions

3. 30 Jul 2026

   Added to PlanIndex

Runnymede granted permission on 13 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.

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.26/1491 50 yards away

  81% historically approved

  Section 73 Application to vary conditions 2 (Approved Plans), 4 (Flood Risk Assessment) and 13 (Preliminary Ecological Appraisal) of planning permission RU.25/0969 for the installation of 1 new building and 1 new kiosk to facilitate the water treatment process

  Awaiting decision

• 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

• Tamesis 2 The Glanty, Egham TW20 9AW

  RU.21/1328 Submitted 30 Jul 2021 150 yards away

  Prior notification of proposed change of use from offices (Use Class B1a) to residential (Use Class C3) to provide 73 residential dwellings under the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended Schedule 2, Part 3, Class O

  Refused Amendments 51 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