Management Services

Partner with Us, for Effective Decarbonisation Strategy and Project Management

Twelvetrees Consulting Ltd specialises in low carbon and environmental consultancy across a multi-agency portfolio. Our work is aimed at developing and supporting proactive measures for clients to reduce cost, energy and carbon, whilst mitigating climate change, identifying adaptation, resilience and risk reduction measures for business.

ABOUT

At Twelvetrees Consulting we provide specialist management consultancy services led by our Director, Dr John Hindley, an accomplished professional with over 25 years of experience operating at Assistant Director and Senior Project Manager level across Higher Education and the wider public sector estates environment.

Drawing on extensive expertise in sustainability, operational management, carbon and energy strategy, regulatory compliance, and the delivery of both revenue and capital development programmes, we support organisations in strengthening their estate performance and long-term strategic planning.

Combining strong commercial awareness with practical, logistics-focused delivery, enabling clients to navigate complex operational challenges while ensuring value for money, regulatory alignment, and measurable progress toward sustainability and decarbonisation objectives.

Mission

We do work for good. We support and drive innovative technology, energy, carbon, zero carbon generation and storage solutions.

Reputation

We have a strong reputation, regionally and nationally, whilst maintaining a personally focussed and relatable service.

Empowerment

Our collaborative approach fosters local engagement, ensuring sustainable practices that benefit both the environment and the people we serve.

CASE STUDIES

Public Sector Decarbonisation Scheme (PSDS) – University Hospitals Birmingham (2026)

Twelvetrees is providing expert consultancy and support for a £15 million heat decarbonisation project at University Hospitals Birmingham. The project involves the retrofitting of heat pumps across three key schemes within the hospital estate, aimed at reducing carbon emissions and improving energy efficiency.

As Principal Sustainability Consultant and Decarbonisation Support Advisor, we are delivering key services to optimise the project’s performance:

Digital twinning for design validation, ensuring the proposed system meets energy efficiency goals
Preparation for condition compliance and audit-readiness to meet PSDS funding criteria
Ongoing support to ensure systems are effectively integrated and fully aligned with decarbonisation targets

The project is integral to the NHS’s Net Zero ambitions, helping to reduce operational costs while improving the sustainability of critical healthcare infrastructure.

Public Sector Decarbonisation Scheme (PSDS) – Greater Manchester (2021–2023)

Twelvetrees led the technical delivery of the Public Sector Decarbonisation Scheme (PSDS) within the Greater Manchester Combined Authority (GMCA) Investment Delivery Team. The project focused on delivering public sector decarbonisation investment across 15 partners, including key local authorities, educational institutions, and public sector bodies.

Key Responsibilities:

Oversaw programme delivery for decarbonisation projects across 152 buildings and 600 carbon reduction initiatives
Managed the detailed execution of the £115 million investment across Phases 1 and 3a
Ensured compliance with PSDS scheme audit criteria and rigorous monitoring of fund usage
Coordinated with partners to optimise energy efficiency and emissions reductions

Key Achievements:

Successfully delivered £78.3 million in capital funding, directly contributing to decarbonisation efforts
Delivered over 121,000 lifetime tonnes of carbon emissions saved
Managed 152 buildings and 600 individual project lines

Impact:

Significant carbon reduction and energy savings across Greater Manchester’s public sector
Established a scalable and sustainable framework for future decarbonisation efforts