Agenda item

Installation of a poly-roof liquid membrane and roofing system to the high-level area of Bourne Hall to create a waterproofing layer and thermal upgrade.

Description:

Installation of a poly-roof liquid membrane and roofing system to the high-level area of Bourne Hall to create a waterproofing layer and thermal upgrade

Officer Recommendation:

Approval, subject to conditions and informatives

Officer Presentation:

The Committee received a presentation on the application from the Planning Development Team Leader.

Public Speaking:

No speakers registered to speak on this application.

Decision:

Following consideration, Councillor Alison Kelly proposed a motion that the Officer recommendation be agreed as set out in the main report, and as updated in the update report. The proposal was seconded by Councillor Jan Mason.

The Committee unanimously resolved to,

Grant Listed Building Consent, subject to the following Conditions and Informatives:

Conditions

(1)          Timescale

The development hereby permitted shall be commenced within three years from the date of this decision.

Reason: To comply with Section 18 (1) (a) of the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended by Section 52 (4) of the Planning and Compulsory Purchase Act 2004.

(2)          Approved Plans

Unless otherwise agreed in writing by the local planning authority, the development hereby permitted shall be carried out in accordance with the plans numbered:

Location Plan – dated 21.11.2025

Block Plan – dated 18.11.2025

A-04-02 – Existing High Level Re-Roofing Detail – dated 05.02.2026

A-04-03 – Proposed High Level Re-Roofing Detail – dated 05.02.2026

Section Drawing – received 05.02.2026

A-04-04 Proposed Replacement area’ – dated 05.02.2026

13301 – received 18.02.2026

Reason: For avoidance of doubt and to ensure that the development is carried out in accordance with the approved plans and to ensure a satisfactory external appearance in accordance with Policy CS5 of the Core Strategy 2007 and Policies DM8, DM9 and DM10 of the Development Management Policies Document 2015.

(3)          Samples

Prior to the commencement of the relevant part of the works, the following samples shall be submitted to and approved in writing by the Local Planning Authority:

a)    A 1m x 1m sample of the finish, colour and texture of the final coating

b)    A sample of the polycarbonate material and all coatings, film, or any other addition intended to be used in the finished work, both internally and externally

The works shall be carried out in accordance with those details following their approval in writing by the Local Planning Authority.

Reason: To safeguard the special architectural and historic interest of the listed building in accordance with Policy CS5 of the Core Strategy (2007), Policies DM8, DM9 and DM10 of the Development Management Policies 2015, Chapter 16 of the National Planning Policy Framework 2024, and Sections 16 and 17 of the Planning (Listed Buildings & Conservation Areas) Act 1990.

(4)          Existing Roofing

One section of original copper roof covering shall be retained beneath the new roof covering and insulation as part of the proposed works so that a record is preserved in situ of the original finish. Prior to the completion of the works, a sample of the felt and copper shall be given to Bourne Hall Museum to be retained as part of an archive of original building features used in Bourne Hall.

Reason: To safeguard the special architectural and historic interest of the listed building in accordance with Policy CS5 of the Core Strategy (2007), Policies DM8, DM9 and DM10 of the Development Management Policies 2015, Chapter 16 of the National Planning Policy Framework 2024, and Sections 16 and 17 of the Planning (Listed Buildings and Conservation Areas) Act 1990.

(5)          Glazing Bars

The replacement glazing bars shall be in accordance with plan numbered 13301, received 18 February 2026, and made of aluminium, which shall be left either uncoated or powder coated grey to match the adjacent aluminium features.

Reason: To safeguard the special architectural and historic interest of the listed building/conservation area in accordance with Sections 16 and 17 of the Planning (Listed Buildings and Conservation Areas) Act 1990, Section 16 of the National Planning Policy Framework 2024, Policy CS5 of the Core Strategy 2007 and Policies DM8, DM9 and DM10 of the Development Management Policies Document 2015.

Informatives

(1)          Positive and Proactive Discussion

In dealing with the application the Council has implemented the requirement in the National Planning Policy Framework to work with the applicant in a positive and proactive way. We have made available detailed advice in the form or our statutory policies in the Core Strategy, Supplementary Planning Documents, Planning Briefs and other informal written guidance, as well as offering a full pre-application advice service, to ensure that the applicant has been given every opportunity to submit an application which is likely to be considered favourably.

(2)          Preservation of Listed Building

You are reminded that all works to a listed building must be carried out with the utmost care and to the highest standards of quality and workmanship. Any damage to the listed building shall be immediately made good using materials to match the originals. Unauthorised works that harm the listed building constitute a criminal offence and will be liable to fines of up to £20,000 per offence.

Work within the roof is subject to the following:

·         All works shall be carried out to a very high standard to conserve the special interest of the Listed building

·         All historic fabric and features shall be protected from damage, theft or removal at all times, and all making good shall be carried out in matching materials

·         Care shall be taken to protect and retain the existing/original aluminium fascia in its unpainted and uncoated appearance at all times

·         Care shall be taken to protect, retain and reuse the existing/original leaf guards to cover the downpipes following the works