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The Diocese of Manchester

Manchester

Greater Manchester Combined Authority (GMCA)

Education

Decarbonisation Strategy, Feasibility and Design

Energy

Decarbonisation Plans, Building Energy Modelling

MEP Design

RIBA Stage 4 Mechanical and Electrical Design Services

In March 2024, Mantis secured £326,250 of funding to help 17 Diocese of Manchester schools advance decarbonisation activities toward their 2030 net zero target.

This funding was essential for progressing decarbonisation projects at scale and allowed for the detailed plan and funding applications of projects exceeding £10m in value.

Challenges

  • Developing decarbonisation strategies across a diverse school estate with varying building ages and conditions.

  • Carrying out intrusive investigations while minimising disruption to teaching and learning.

  • Designing mechanical and electrical systems for low carbon heating in constrained school environments.

  • Coordinating utility infrastructure upgrades to ensure sufficient electrical capacity for low-carbon electric heating systems.

Our Approach

Mantis adopt SALIX and Energy Systems Catapult standards on planning and develop decarbonisation projects in public building sector estates.

  • STRATEGY STAGE: Production 17x Heat Decarbonisation Plans, assessing viability and funding options.
  • FEASIBILITY STAGE: The production of feasibility studies for 10x Schools to finalise commercial and technical specifications.
  • DESIGN STAGE: RIBA Stage 4 Level detailed mechanical and electrical design for 4x Primary Schools.
  • Funding Applications: Completion of Public Sector Decarbonisation Scheme (PSDS) applications for multiple school decarbonisation projects.

Outcomes

  • Secured PSDS funding for 4 schools within the Trust.

  • Delivered detailed design stage mechanical and electrical designs, ready for contractor construction phase.

  • Enabled the replacement of fossil fuel heating systems with air-to-air heat pump technology.

  • Provided the Trust with long-term carbon and cost savings while aligning with its net zero ambitions.

Services Provided

STRATEGY STAGE

  • Desktop Assessment, Site Survey, Heat Decarbonisation Plans (HDP)
  • Development of Decarbonisation and Estate Wide Strategy

FEASIBILITY STAGE

  • Intrusive Inspections: Conducted air pressure testing, cavity wall borescope inspections and roof insulation sampling
  • Utility Load Calculations & DNO (Grid) Upgrade Quotations
  • Detailed Site Surveys, Dynamic Energy Modelling & FeasibilityAnalysis
  • Pre Planning Assessment

DETAILED DESIGN STAGE

  • Building fabric detailed design (RIBA Stage 4): Floorplans, elevations, section drawings, details, specifications
  • Building services detailed design (RIBA Stage 4): Heating, ventilation, public health services, Electrical infrastructure upgrade works
  • Project management planning: CDM Regulations, Construction phase plan, Comprehensive tender documents and procurement
  • Full planning application submission

Contact us to find out more

If you are thinking about making your home more energy efficient or you have grand plans to build your own net zero carbon home then you have come to the right place.