Scope
Reference
NPH-2025-42
Description
Northamptonshire Partnership Homes (NPH) wishes to invite interested parties to bid for heating system upgrades within the properties it manages.
The tender is to appoint four (4) contractors to complete approx. fifty (50) property heating system upgrades per contractor. These upgrades must be completed by the end of this financial year, 31st March 2026.
If we do not receive enough bids to award to four (4) contractors, we will split the work between less contractors provided we are confident that the works required can be completed in the given timeframe.
The anticipated estimated contract start date is 01/12/2025.
The contract term will be for a period of just 4 months with no option for extending.
Whilst NPH offers no guaranteed value of spend through this contract, the anticipated value over the total possible term per contractor is up to £250,000 excl. VAT. (£300,000 incl. VAT).
However, each contractor awarded will be provided with a contract up to the value of £291,667 excl. VAT (£350,000 incl. VAT) to allow for extra works should any contractor fall behind, and capacity is available with others.
Each contractor shall be responsible for the completion of the initial property survey, and the careful and safe extraction and replacement of gas and or electrical heating appliances and systems.
The installation and repair of gas central heating and hot water systems are to include, but not be limited to, energy efficient condensing boilers, associated electrical and control works, all pipe work, radiators, fittings, lagging and sundry materials.
Bidders are required to have the following qualification / accreditations certifications to be eligible to bid for this contract and will be required to provide evidence of such as part of their response.
A Gas Safe Registration Certificate
All operatives and staff must hold a recognised gas safe qualification, typically through ACS (Accredited Certification Scheme), NVQ / Diploma or alternatives, to be approved by the Customer
All operatives must have pre contract training and be a Vaillant registered installer. (Free training available for engineers via Vaillant).
For more information about this opportunity, please visit the Delta eSourcing portal at:
https://nph.delta-esourcing.com/tenders/UK-UK-Northampton:-Heating-works./754B828D2X
To respond to this opportunity, please click here:
Total value (estimated)
- £1,000,000 excluding VAT
- £1,200,000 including VAT
Below the relevant threshold
Contract dates (estimated)
- 1 December 2025 to 31 March 2026
- 4 months
Main procurement category
Works
CPV classifications
- 45232141 - Heating works
- 45331100 - Central-heating installation work
- 50720000 - Repair and maintenance services of central heating
- 71314310 - Heating engineering services for buildings
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Enquiry deadline
10 October 2025, 12:00pm
Tender submission deadline
24 October 2025, 12:00am
Submission address and any special instructions
Tenders may be submitted electronically
Yes
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Criterion 2 | Quality | 60% |
| Criterion 1 | Price | 40% |
Procedure
Procedure type
Below threshold - open competition
Contracting authority
Northamptonshire Partnership Homes
- Public Procurement Organisation Number: PGTJ-9157-YWQM
The Guildhall,, St Giles Square,
Northampton
NN1 1DE
United Kingdom
Region: UKF24 - West Northamptonshire
Organisation type: Public authority - sub-central government