Roof cladding and insulation at Wonderpack Eco Ltd, Burgess Hill

Summary of planning committee decision

Decided by Mid Sussex District Planning Committee on 20 Nov 2025.

DM/25/1584Approved

What was proposed

The application proposed metal cladding over the existing roof, insulation, replacement gutters and an increase in building height of about 200 millimetres.

“Proposal: Over clad of existing roof to encapsulate existing leaking asbestos cement roof panels. Improve insulation to the property and replace leaking gutters. The overall height of the building will be increased by c200mm. (Additional Plans received 28/08/2025)”

“Purpose of Report 1.1 To consider the recommendation of the Assistant Director for Planning and Sustainable Economy on the application for planning permission as detailed above. Executive Summary 2.1 This application seeks planning permission to over clad the existing roof using metal cladding in goosewing grey at 25 Victoria Gardens, Burgess Hill. The application has been referred to Committee because the site is on land owned by the District Council.”

Officer report

The site and its history

The site is a large warehouse with an asbestos-clad pitched roof, parking and storage, and there was no relevant planning history.

“Recommendation 3.1 It is recommended that planning permission be approved subject to the conditions outlined at Appendix A. Summary of Representations 4.1 No third-party letters of representation have been received in respect of this application 5.0 Summary of Consultees 5.1 Environmental Health Officer. No objection with the asbestos to be managed through the site’s Asbestos Risk Register and compliance with the Control of Asbestos Regulations 2012.”

“The building has a single storey flat roof extension on south and part of the west side, parking to the front and an external storage area on the east side. The locality is characterised by large warehouse units accessed from Victoria Gardens with a similar form and design. To the south of the site is woodland with housing beyond. Application Details 10.1 The existing roof is to be externally clad in metal cladding in goosewing grey with insulation underneath.”

Officer report

The recommended approach

Officers recommended approval because the alteration was considered appropriate in design and scale and would not significantly harm neighbouring amenities.

“National policy (which is contained in the National Planning Policy Framework (NPPF) and National Planning Policy Guidance) does not form part of the development plan, but is an important material consideration. The proposed alterations are considered to be of an appropriate design and to be acceptable to the character of the area. The proposal will not create significant harm to neighbouring amenities and will accord with policy DP26 of the Mid Sussex District Plan.”

Officer report

The main planning effects

The roof covering would be visible but small in scale, with no footprint increase, and the proposal was considered acceptable for design, neighbours and biodiversity.

“- optimises the potential of the site to accommodate development.’ The proposed alteration will cover approximately 1825 square metres of roof however the alterations will result in only an increase in height by 0.25 metres and no increase in footprint. The existing asbestos roof will be replaced with metal cladding in an appropriate grey colour.”

“Biodiversity Net Gain 12.9 Biodiversity net gain is required under a statutory framework introduced by Schedule 7A of the Town and Country Planning Act 1990. Under the statutory framework for biodiversity net gain this application comprises development below the de-minimis threshold meaning that this development is exempt from providing biodiversity net gain.”

Officer report

What members discussed

Members supported the proposal, while discussing longer-term asbestos management and whether future use or demolition would raise additional concerns.

“Overall, Members were supportive and agreed with the recommendation, noting improving the building would be an asset to the warehouse. A Member was disappointed the application did not provide further details on the long-term impact of the asbestos management when the building was currently in use and potentially if the building was demolished. A Member provided feedback from his expertise of how the asbestos would be managed.”

Minutes

The vote and decision

The application was approved with nine votes in favour, subject to the conditions listed for the permission.

“As there were no further comments, the Chairman took Members to a vote on the recommendation, proposed by Councillor Sweatman and seconded by Councillor Prescott. The application was approved with 9 in favour.”

“Planning permission was granted subject to the conditions outlined at Appendix A.”

Minutes

Sources

  • Mid Sussex District Planning Committee minutes, 20 November 2025
  • Agenda and papers (council website)

Source: Plota analysis of Mid Sussex's committee minutes and officer report. Quotations are the council's own words; headings and summaries are Plota's.

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At the meeting

Council
Mid Sussex
Date
Thursday 20 November 2025
Recommendation
Officers recommended approval
Committee decided
Approved
Minutes
The council's minutes
Meeting
Agenda and papers (council website)
Application
The application (council website)

This committee's year

5 decisions in the 12 months to this meeting, 1 against officer advice.

Source: Plota analysis of the committee's minutes.

Every decision by this council's committees →