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Published 3 Aug 2026

Contracts Finder notice

NCC1521 Retrofit Consultant Services Contract for Energy Efficient Retrofit Works

Official notice

Authority: Northumberland County Council

Call-off from a dynamic purchasing system
CPV: Energy-efficiency consultancy services (71314300)
Published panel value£1,500,000Shared across 2 suppliers; not a single purchase
Contract ends 30 Jun 2028
Awarded to Mantis Energy Ltd, Osmosis ACD Ltd
Contract starts 30 Jun 2026

What is being bought

Published requirement 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.

Published procurement details

Procedure
Call-off from a dynamic purchasing system
Buyer reference
OPEN03082026093313
Category
Services
Tender status
Complete
Award status
Active
Suitable for SMEs
Yes
Suitable for voluntary, community and social enterprises
No
Tender deadline
Procurement method
Selective
Item 1: Delivery locations as published
North East, United Kingdom

Key dates

Published dates
  1. Award decision
    24 Jun 2026
  2. Contract starts
    30 Jun 2026
  3. Notice published
    3 Aug 2026
  4. Contract ends
    30 Jun 2028

Contracting authority & participating public bodies

  • Northumberland County CouncilContracting authority County Hall, MORPETH, NE612EF, EnglandContact name, email
    Identifier
    sid4gov.cabinetoffice.gov.uk/By5B2FN2 · GB-SRS

Suppliers named on the notice

  • Mantis Energy LtdSupplier Suite 6 Wilmslow House Grove Way Wilmslow Cheshire SK9 5AG
    Voluntary, community or social enterprise
    No
    Business size
    SME
  • Osmosis ACD LtdSupplier 25 Hill Street London W1J 5LW
    Voluntary, community or social enterprise
    No
    Business size
    SME

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Source record

Source
Contracts Finder
Notice language
en
Release reference
ocds-b5fd17-36543c2d-a57b-4893-973c-4f84052db360-2026-08-03T10:42:13+01:00
Published
3 Aug 2026
Latest update
3 Aug 2026
Procedure reference
ocds-b5fd17-36543c2d-a57b-4893-973c-4f84052db360
Contract reference
ocds-b5fd17-36543c2d-a57b-4893-973c-4f84052db360-1