Awarded contract

NCC1521 Retrofit Consultant Services Contract for Energy Efficient Retrofit Works

Details

Supplier(s)
MANTIS ENERGY LTD, Osmosis ACD Limited
Value
£1,500,000
Duration
2 years
Topic
Energy-efficiency consultancy services
Published
3 August 2026

Tender description

Northumberland County Council (NCC) has been awarded funding under the Government's Warm Homes: Social Housing Fund (WHSHF) and Warm Homes: Local Grant (WHLG) schemes. NCC's award-winning Warmer Homes Team is delivering domestic energy efficiency, retrofit, and decarbonisation projects across Northumberland, aiming to achieve EPC C by 2030, reduce fuel poverty, lower household energy bills, and decarbonise domestic energy use.

Timeline

  1. Completed: Award date30 June 2026
  2. Completed: Award published3 August 2026
    Current notice
  3. Next: Contract expiry date30 June 2028in 2 years

About the buyer

Northumberland County Council delivers local government services across Northumberland and buys as a local authority through its procurement team. Tender opportunities are published through Open, the council's procurement system that replaced the North East Procurement Organisation portal. Suppliers register free of charge on Open before bidding for contracts. Open also carries procurement opportunities from regional local authorities across the North East. A public contracts register lists the council's live and awarded agreements for transparency. A Supplier Incentive Programme also lets registered suppliers opt into early payment on invoices.

UK local government drives £140bn in annual procurement, led by social protection (£66.6bn) and education (£57.1bn).

Over the past 5 years, most of Northumberland County Council's contract awards have been in construction work, software and information systems and architectural and engineering services.

Relevant CPV codes

  • 71314300 · Energy-efficiency consultancy services

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