Published date: 3 October 2025

Closed future opportunity - This means that a potential contract has passed its approach to market date. A buyer can choose to consider any supplier interest or convert this notice into an opportunity ready for live procurement.


Approach to market date: 1 November 2025

Contract summary

Industry

  • Roof-covering work - 45261210

Location of contract

South East

Value of contract

£4,000,000

Procurement reference

tender_507984/1521294

Published date

3 October 2025

Approach to market date

1 November 2025

Contract start date

1 April 2026

Contract end date

31 December 2026

Contract is suitable for SMEs?

Yes

Contract is suitable for VCSEs?

Yes

Description

This project will comprise building fabric and structural remedial works to the operational NAS Building. The concrete framed building was constructed circa 1977 and houses offices, welfare, etc. The building is rectilinear on plan measuring circa 73 m x 98 m and is of two-storeys in height typically, with flat roofs covering the whole footprint.

This project's objective is to undertake:
- Removal and renewal (i.e. complete replacement) of an existing flat roof system
(coverings, membranes, and insulation) from structural slab level, including to
roof level plant room, and completion of all other associated permanent and
temporary works.
- The refurbishment of plant room façade and structure where necessary and
completion of all other associated permanent and temporary works.
- The installation of PV to principal roof areas and completion of upgrades to
existing electrical infrastructure to allow connection of PV array.
- The repair of existing concrete slab where spalling is occurring and where
additional defects are found following stripping of existing covering.
By way of summary, the scope of work will include (but is not limited to):
- Surveys to facilitate the design phase.
- The development of existing RIBA 2 concept design and PV study to provide
complete a RIBA 3 Spatially Coordinated Design (incl. obtaining Planning
Permission for proposals as necessary).
- Development of RIBA 3 design to provide complete RIBA 4 Technical Design for
all works.
- Undertaking Stages RIBA 5 and RIBA 6 (Construction and Handover) for all
works.
- Performing the responsibilities and duties of Designer and Contractor under CDM
Regulations.

About the buyer

Address

Victory Building, Portsmouth Naval Base
Portsmouth
PO1 3LS
England

Email

SCBasePersonnel@kbsmaritime.com