Leeds City Council employed Axis as Principal Contractor for the installation of Salix grant-funded Public Sector Decarbonisation Scheme (PSDS 3b and 3c) Air Source Heat Pumps (ASHPs) and Water Source Heat Pumps (WSHPs) at 17 sites.
Additional installed solutions in the programme include Building Management System (BMS) upgrades and zonal controls, new sub stations and Distribution Network Operator (DNO) upgrades, and roof and ground-mounted solar PV.
The sites include leisure centres, heritage sites, a council vehicle servicing depot, schools and a care centre for adults with disabilities.
Vehicle Fleet Depot
Axis delivered a low-carbon upgrade at the Torrs Road Vehicle Fleet Depot, installing a 31.5kWp solar PV system generating 25,000 kWh annually alongside Air Source Heat Pumps. The project reduces CO₂ by over 4 tonnes per year .
Aquatics Centre
At Leeds Aquatics Centre, Axis designed and implemented a hybrid low-carbon heating solution, replacing gas boilers with Water Source Heat Pumps and integrating refurbished Air Source Heat Pumps into a two-stage system.
Otley Chippindale Pool
Axis delivered a fully decarbonised heating solution at Otley Chippindale Pool, removing gas entirely and installing new Air Source Heat Pumps, a 3000-litre buffer vessel and an upgraded BMS.
Brudenell Primary School
Axis successfully delivered a complex decarbonisation scheme at Brudenell Primary School installing new Air Source Heat Pumps, infrastructure and full system upgrades.
Temple Newsam
At the Grade I listed Temple Newsam site, Axis installed a low-carbon heating system including Air and Water Source Heat Pumps, new BMS and upgraded infrastructure, carefully navigating heritage constraints.
See more about these successful projects in our case study below.
What we did
The £9 million 3-year multi-site decarbonisation programme supports Leeds City Council’s Net Zero ambition by cutting emissions, lowering energy costs, and upgrading buildings with modern, efficient low-carbon heating systems.
Specifications
- 17 sites include leisure centres, heritage sites, schools, a council vehicle servicing depot and a care centre for adults with disabilities
- Air Source Heat Pumps (ASHPs)
- Water Source Heat Pumps (WSHPs)
- Building Management Systems (BMS) and zonal controls
- Low Temperature Hot Water (LTHW) heating systems
- Distribution Network Operator (DNO) upgrades
- Roof and ground-mounted solar PV
- Associated works including plant room, sub stations and insulation
- Funded by Salix PSDS Phase 3b and Phase 3c
- Procured via Procurement for Housing’s (PfH) Decarbonisation and Retrofit framework 2023-2027
- Value £9m
- Duration 3 years
Project Overview
Duration of Contract
3
years
Number of sites
17
Value of Contract
£
9
million
Salix funding schemes enable the public sector to reduce carbon emissions in line with the UK Government’s commitment to becoming Net Zero by 2050. Projects funded through PSDS schemes, are designed to deliver carbon reductions of 40%+ across the estate while reducing operational costs and tackling fuel poverty.
Axis won this contract via Procurement for Housing’s Decarbonisation and Retrofit framework 2023-2027, after an evidenced-based selection process, including client referrals and interview.
Leeds City Council, as part of its new Leeds Ambitions roadmap, is working towards becoming the UK’s first Net Zero and Nature Positive city, reducing carbon emissions and restoring nature, and supporting people and businesses to make increasingly sustainable choices while making homes easier and more affordable to heat, and reducing fuel poverty and cold-related illness.
Innovations, challenges, solutions
Our flexible, carefully phased approach minimised disruption and maintained access for all users. Traffic and site delivery management plans additionally ensured the safety of all personnel and the public.
Read the full case study
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