Commercial and housing development at Weylands Old Treatment Works, Lyon Road, Walton-on-Thames

What was proposed

The application sought changes to four conditions covering the approved plans, layout, building heights, contamination arrangements and the location of the turning head.

“OFFICIAL OFFICIAL Application: 2025/3337 Case officer: Aneta Mantio Proposal: Variation of Conditions: 2 (Reserved Matters) 5 (Approved Plans) 6 (Illustrative Layout Plans) and 12 (Potential Contamination) of planning permission 2022/3427 (Detailed planning permission for the erection of commercial buildings for Class E/Class B8 (5,040sq.m Gross External Area/4,580sq.m Gross Internal Area) with associated internal access road, new vehicular access, new cycle/pedestrian…”

Officer report

The site and its setting

The former treatment works covers about 11.22 hectares, is mostly in the Green Belt and includes waste, employment, contaminated-land and rights-of-way constraints.

“OFFICIAL OFFICIAL of the Site. To its east, the Site is still predominantly laid to coarse grassland and scrub. Very few buildings are present on the western edge of the Site. Figure 1: Location Plan Constraints 3. The relevant planning constraints are: •Green Belt (approx. 10.5ha) •Waste Site (5.6ha) •Strategic Employment Land (approx.”

Officer report

Earlier permissions and applications

The site had an earlier permission allowed on appeal, while several later compliance and reserved-matters applications were under consideration or subsequently determined.

“OFFICIAL OFFICIAL •Travel Plan Planning Good Practice Guide (SCC) •National Planning Policy for Waste 2014 Relevant planning history 5. The Site has extensive planning history, and therefore only the most recent relevant applications are set out in the table below: Reference Description Decision 2026/1088 Confirmation of Compliance with Condition: 10 (Written Scheme of Investigation) of planning permission 2022/3427 allowed at appeal.”

“Under consideration 2026/0105 Reserved matters application for appearance, landscaping, layout, scale and access pursuant to Condition 2 of planning permission 2022/3427 (description amended by 2025/3115 - Detailed planning permission for the erection of commercial buildings for Class E/Class B8 (5,040sq.m Gross External Area/4,580sq.m Gross Internal Area) with associated internal access road, new vehicular access, new cycle/pedestrian access, landscaping and creation of…”

Officer report

What officers recommended

Officers recommended granting permission, considering the proposal consistent with planning policy and the changes acceptable for highways, design, amenity and environmental effects.

“The proposed changes to the internal layout of the spine road and the turning head, which form part of the full permission, are considered acceptable. 38.In terms of the EIA, it is not considered that the proposed changes to the approved layout, specifically to the spine road’s alignment and to the area of the turning head, would likely result in any significant environmental effects.”

“OFFICIAL OFFICIAL Figure 7: Proposed Parameter Plan - maximum building heights – blue (16.4m), light pink (15.0m), yellow (13.2m), green (8.9m) and pink (10.5m) 51. Additional minor change to the extent of the area benefitin from an outline and full permission of the original scheme includes the alignment of the western boundary adjacent to Unit 8B (see Figure 8 below). This is considered acceptable.”

Officer report

Consultation responses

Environmental health and tree officers raised no objections, transport officers raised no objections subject to conditions, and Thames Water requested a condition and informative.

“OFFICIAL OFFICIAL Consultations 23. The following statutory and non-statutory bodies have been consulted as part of this application: •EBC Environmental Health Contaminated Land - Raised no objections. •EBC Tree Officer - Raised no objections, subject to imposition of the suggested conditions.”

Officer report

Who spoke at the meeting

The agent addressed the committee.

The committee’s decision

The committee granted full and outline permission with the agenda conditions and informatives, subject to amended requirements for transport plans, archaeology and highway surveys.

“Grant full and outline permission with the conditions and informatives as outlined in the agenda, subject to the following amended conditions:”

“No. Demolition and Construction Transport Management Plans Demolition associated with the development hereby permitted by the full planning permission and outline planning permission shall be carried out fully in accordance with the details agreed under 2026/0612. Construction including foundations of the development hereby permitted by the full planning permission shall be carried out fully in accordance with the details agreed under 2026/0902.”

Minutes