The Provision of Window Cleaning and Associated Cleans for Caerphilly County Borough Council’s Corporate Properties
Caerphilly County Borough Council (the “Authority”) is seeking to establish a Contract for the Provision of Window Cleaning and Associated Cleans for Caerphilly County Borough Council’s Corporate Properties (the “Contract”).The requirement includes the cleaning of all external glazing, internal communal windows, canopies, and guttering, supporting the overall upkeep of the Council’s estate and helping to prevent deterioration of building fabric. This service will contribute to providing a safe and professional environment for staff, residents, and visitors while maintaining asset value.
Following the original publication of this opportunity, the clarification and tender submission deadlines were subsequently extended and communicated through the Authority's e-tendering system (Proactis). The revised timetable was not reflected in a corresponding notice on Sell2Wales.
This notice is therefore being issued to ensure transparency and equal visibility to the market and to formally publicise the revised procurement timetable applicable to this procurement exercise.
View 2-notice timelineLatest notice released 27 Oct 2026
FacilitiesTender
DCWW2115 Service Reservoir Cleaning, Maintenance and Refurbishment CoP
Overview And Objectives
DCC intends to award a Framework Agreement for Service Reservoir Cleaning, Maintenance and Refurbishment services. It is a business-critical service required to:
• maintain the cleanliness, integrity and operational condition of DCC’s potable water storage assets;
• support the safe and timely return of service reservoirs to operation following planned cleaning, inspection and minor remedial works; and
• support compliance with Drinking Water Inspectorate (DWI) requirements, DCC’s internal standards and applicable water quality legislation.
The Framework will be used to provide cleaning and maintenance for potable water tanks across DCC’s operational area. There are approximately 828 tanks within DCC’s estate that require routine cleaning and inspection in accordance with PNL 810 (DCC’s internal standard for drain downs and cleaning of service reservoirs) to meet Drinking Water Inspectorate (DWI) regulations.
Tanks include below ground and above ground steel or concrete tanks as well as a small number of water towers however most tanks are square, underground concrete structures.
Ensuring a clean and consistent water supply is core to DCC services and is linked directly to corporate key performance indicators.
The proposed contract term is 3 years, with the option to extend for a further 5 years (2 + 2 + 1 years). The estimated value of the framework for the initial three-year term is £25.5 million based on estimated annual expenditure of approximately £8.5 million. The value across the maximum term of 8 years is £68m.
Scope
The scope includes the following elements:
Cleaning
This includes the cleaning and disinfecting of the tanks normally with the use of high-pressure water or soft brush as appropriate and DWI Approved disinfectant. In some instances, it may be a requirement to carry out chemical cleaning with the use of a DWI approved chemical.
The tasks to be carried out will include:
• Cleaning and disinfection of potable water storage tanks using appropriate methods and DWI-approved products
• Inspection of service reservoirs as part of cleaning activities
Maintenance
Maintenance activities are usually identified at the time of cleaning by the Supplier and instructed by DCC to enable the tanks to be safely returned to service. These tend to be internal and external works for concrete repairs and coatings, internal and external steel repairs, membrane fitting and repairs, replacement of ladders and pipework, joint repairs, external earthworks repairs and joint repairs. Emergency reactive repairs to concrete/ pipework / liner etc. may also be required on occasion. These works will exclude any work that involves significant engineering difficulties such as:
• Any structural modifications to the tank(s);
• Any works on the embankments surrounding the tank(s);
• Any modifications to the pipework that can influence the hydraulic performance of the tank(s);
• Any works that alters the operating capacity of the tanks;
• Any works that constitutes the appointment of a Panel Engineer under the Reservoirs Act.
The tasks to be carried out will include:
• Minor planned and reactive remedial works, including concrete and steel repairs, coatings, membranes, ladders, pipework, joints and external earthworks.
• Emergency reactive repairs where required.
• Activities necessary to support the safe return of reservoirs to service.
The Framework Agreement will be procured as a single Lot, with two Suppliers appointed to the Framework.
Tai Hedyn Limited, trading as Hedyn (the “Association”), is seeking to procure a suitably experienced and qualified suppliers to deliver window cleaning services across its property portfolio.
View 2-notice timelineLatest notice released 11 Nov 2026
Local GovernmentPlanning
School Cleaning Contract for Ysgol Y Deri, Derw Newydd and Ysgol Llyn Derw
The Council is undertaking preliminary market engagement in relation to an upcoming cleaning services contract covering four school sites within Barry and Penarth.
Suppliers wishing to express an interest are invited to attend a group site visit on 24 August 2026.
Due to project timescales and site access restrictions, only group visits can be accommodated, individual site visits will not be available.
The purpose of the visit is to allow suppliers to gain a visual understanding of the sites and areas requiring cleaning services. No procurement discussions, specification clarification, pricing discussions or question-and-answer sessions will take place during the visits.
The tender opportunity is currently anticipated to be issued during September/October 2026.
Any questions in relation to this opportunity and or arising from the site visit must be submitted formally via Sell2Wales (www.sell2wales.gov.wales) by no later than 7th September 2026. Responses will be issued through the Sell2Wales, and will be made available to all interested bidders to ensure equal treatment and transparency.
Attendance at the site visit is not mandatory and participation or non-participation will not affect a supplier's ability to bid for the contract.
All parties wishing to attend must confirm attendance in advance via the Dialogue/Message function within Sell2Wales. Confirmation should include the attendee name(s) and company details.
The visits will be fully escorted due to the presence of restricted-access areas within the schools. Please ensure that attendees arrive promptly at each location. Once a site visit has commenced, access may not be available for late arrivals.
Suppliers are responsible for making their own travel arrangements between sites.
The site visits will be undertaken in the following order:
09:30
Ysgol y Deri (Barry Site)
St Paul's Avenue
Barry
CF62 8HT
10:15
Derw Newydd
Barry Road
Barry
CF62 9BG
11:30
Ysgol Llyn Derw
Fort Road
Penarth
CF64 5AQ
12:45
Ysgol y Deri (Penarth Site)
Sully Road
Penarth
CF64 2TP
Public Conveniences Cleaning, Maintenance and Associated Services
The Council is considering future service delivery arrangements for public conveniences across Carmarthenshire. The current requirement remains for a county-wide service that supports the continued operation of public conveniences.
The requirement is expected to include a range of integrated services, including routine cleaning, repairs and maintenance, consumables provision, sanitary waste disposal, sharps disposal, out of hours response, manage, maintain and repair income collection systems and relevant inspection and compliance activities. The current service model also includes specialist elements linked to legacy equipment and access arrangements at certain sites.
The Council is seeking early market feedback to better understand supplier capability, service delivery models, risks, and opportunities before determining its future procurement approach and contract structure.
The Council invites interested organisations to register their interest and request further information in relation to the provision of this service. This invitation is issued for information-gathering and early market engagement purposes only and does not constitute a commitment to proceed with any future procurement process.