
Social Housing
PAS2035
PAS2035 In House Retrofit Coordination
PAS2030
Energy Efficiency & Insulation Contractors
MCS
MCS Accreditated Heat Pump and Solar PV
EnerPHit
Advanced Retrofit Design & Installation
We deliver a range of services to social housing decarbonisation & retrofit projects. Mantis partners with Local Authorities and Housing Associations to support the design and installation of PAS2035 approved retrofit measures to support social housing and the UK’s Net Zero targets.
From meeting the EPC C 2030 Targets to Whole House Deep Retrofit Projects our in house capability can provide comprehensive support often provided by multiple service providers by one point of contact allowing for an efficient and scalable service.
Our Social Housing Expertise
Our team delivers retrofit plans and customised retrofit designs compliant with PAS2305. We have comprehensive experience in domestic buildings and social housing stock with a pragmatic approach to retrofit from single measure installation to a one stop shop multi discipline service offering.
Mantis have supported a large number social housing retrofit projects. We specialise in providing energy solutions specifically tailored for large-scale retrofit from single measure installations to large whole retrofit estate projects
We support Existing Housing Retrofit & Apartment Block Retrofit as well as working alongside Local Authorities & Housing Associations.

Our Design Services
Our offerings for social housing include:
- Retrofit Services: PAS 2030 & PAS2035 Compliant Retrofit Design and Installation Services from single measures to whole house retrofit
- Retrofit Strategy
- Retrofit Assessment
- Retrofit Design
- Retrofit Coordination
- Retrofit Evaluation
- Building Services Engineering: Building services design for retrofit utilising low carbon heating systems and renewable energy.
- Energy Compliance:
- Part L SAP Calculations & Energy Performance Certificates (EPC)
- Part O Dynamic Overheating Modelling
- Part F Ventilation Design
- Air Pressure Testing
- Ventilation Testing

Our Contracting Services
Our offerings for PAS2030 and MCS Accredited Retrofits include:
- Multi Discipline / Whole House Retrofit & Construction:
- Solid and Suspended Floor Insulation
- Cavity Wall Insulation (CWI), External Wall Insulation (EWI) and Internal Wall Insulation (IWI)
- Flat Roof Insulation, Pitched Roof Insulation, Room in Roof (RIR) Insulation and Loft Insulation
- Energy Efficient Glazing and Doors
- Draught Proofing
- Mechanical Contracting:
- 1st and 2nd Fix Plumbing (Heating and Hot & Cold Water Systems)
- Underfloor Heating Systems
- Air Source Heat Pumps
- Mechanical Ventilation with Heat Recovery (MVHR)
- Centralise and De-centralised Mechanical Ventilation
- Electrical Contracting:
- 1st & 2nd Fix Electrical Works (Lighting, Small Power, Fire & Security)
- DNO Utility Infrastructure Upgrades
- Solar Photovoltaic (PV) Systems
- Battery Storage

Why Local Authorities and Housings Associations Choose Mantis
Our Expertise and Accreditations
- ISO 9001, 14001, 45001 Integrated Management System
- Safe Contractor and SSIP Certified
- PAS2030 & MCS Certified
- PAS2035 Retrofit Assessors, Designers and Coordinators
- CIBSE Member Building Services Team
- Elmhurst Energy Accredited Energy Compliance Team
Our Approved Frameworks as Consultants and Contractors
- CHIC
- Procure Plus
- EN: Procure
- North West Net Zero Hub
- Midlands Net Zero Hub
- Bloom / NEPRO3
- Laser Energy
