PfH Decarbonisation, Retrofit and Planned Works Framework for Wales

This Lot covers the survey, design, supply, installation, commissioning, testing, optimisation and handover of Solar PV technologies across domestic, commercial and public sector properties. Its purpose is to support PfH members in reducing carbon emissions, improving energy efficiency, lowering operational costs, and enabling progression towards net‑zero objectives through the deployment of high‑quality Solar PV systems.

Suppliers appointed to this Lot will be expected to deliver a full turnkey service, including:

•Initial surveys, energy assessments and feasibility checks.

•Detailed system design, performance modelling and integration planning.

•Commissioning, testing, performance verification and system optimisation.

•Training, handover, user guidance and ongoing support.

This Lot covers the survey, assessment, design, supply, installation, commissioning, testing and handover of insulation and fabric first energy efficiency measures for both domestic and commercial properties.

The aim of the Lot is to support members in delivering high quality building fabric improvements that reduce heat loss, lower running costs, improve EPC ratings and contribute to decarbonisation objectives. Contractors appointed to this Lot must be competent in delivering a full range of insulation systems, including:

•External Wall Insulation (EWI)

•Internal Wall Insulation (IWI)

•Cavity Wall Insulation (CWI)

•Underfloor Insulation (UFI)

•Room In Roof Insulation (RIR)

•Loft and Roof Insulation (including top up)

•Ventilation

This Lot covers the survey, design, supply, installation, commissioning, testing, optimisation and handover of Air Source Heat Pumps across domestic, commercial and public sector properties. Its purpose is to support PfH members in reducing carbon emissions, improving energy efficiency, lowering operational costs, and enabling progression towards net‑zero objectives.

Suppliers appointed to this Lot will be expected to deliver a full turnkey service, including:

•Initial surveys, energy assessments and feasibility checks.

•Detailed system design, performance modelling and integration planning.

•Commissioning, testing, performance verification and system optimisation.

•Training, handover, user guidance and ongoing support.

Value Band 1 - £0 to £2000000

This Lot covers the end to end delivery of whole house retrofit works, combining a fabric first approach with a broad range of decarbonisation and energy efficiency measures for both domestic and commercial properties. The objective is to support members in delivering high quality, technically compliant retrofit programmes that reduce energy demand, lower operational costs, and contribute towards long term net zero outcomes.

Suppliers appointed to this Lot will be expected to operate as a turnkey provider, delivering retrofit works directly or through competent subcontractors, and must be fully capable of acting as the Principal Contractor under CDM Regulations. Contractors will take full responsibility for project management, compliance, coordination, installation, commissioning, handover and administrative activities, ensuring a seamless delivery experience for members.

Scope of Works

Works under this Lot may include, but are not limited to:

•Retrofit Services – Assessment, Design, Coordination etc

•Fabric first improvements such as insulation (EWI, IWI, CWI, UFI, loft/roof insulation), window and door upgrades, ventilation improvements and airtightness measures.

•Decarbonisation technologies, including but not limited to low carbon heating (ASHP/GSHP), Solar PV, battery storage systems, controls and heat loss reduction measures.

•Electrical Heating – e.g. HHRSH

•Enabling and associated works, including minor repairs, electrical upgrades, structural adjustments, and integration of multiple measures within a whole house improvement plan.

Value Band 2 - £0 to Unlimited

This Lot covers the end to end delivery of whole house retrofit works, combining a fabric first approach with a broad range of decarbonisation and energy efficiency measures for both domestic and commercial properties. The objective is to support members in delivering high quality, technically compliant retrofit programmes that reduce energy demand, lower operational costs, and contribute towards long term net zero outcomes.

Suppliers appointed to this Lot will be expected to operate as a turnkey provider, delivering retrofit works directly or through competent subcontractors, and must be fully capable of acting as the Principal Contractor under CDM Regulations. Contractors will take full responsibility for project management, compliance, coordination, installation, commissioning, handover and administrative activities, ensuring a seamless delivery experience for members.

Scope of Works

Works under this Lot may include, but are not limited to:

•Retrofit Services – Assessment, Design, Coordination etc

•Fabric first improvements such as insulation (EWI, IWI, CWI, UFI, loft/roof insulation), window and door upgrades, ventilation improvements and airtightness measures.

•Decarbonisation technologies, including but not limited to low carbon heating (ASHP/GSHP), Solar PV, battery storage systems, controls and heat loss reduction measures.

•Electrical Heating – e.g. HHRSH

•Enabling and associated works, including minor repairs, electrical upgrades, structural adjustments, and integration of multiple measures within a whole house improvement plan.

Value Band 1 - £0 - £1,500,000

This Lot covers the planned replacement, renewal and installation of kitchens and bathrooms. The purpose of this Lot is to support members in delivering high quality, compliant, resident focused kitchen and bathroom programmes that improve living conditions, update key components at end of life, and maintain asset standards aligned with WHQS 2023 and wider organisational requirements.

Contractors appointed to this Lot will be expected to deliver a full range of kitchen and bathroom works, including (but not limited to):

Kitchen Works

•Removal and disposal of existing kitchen units, worktops, appliances and finishes

•Supply and installation of new kitchen units, worktops, sinks, taps and associated fittings

•Wall and floor tiling, splashbacks, decorative finishes and making good

•Mechanical, electrical and plumbing alterations to support layout changes

•Associated works such as extract ventilation, safety upgrades and lighting

•Compliance with ergonomic standards, safety requirements and customer specified component choices

Bathroom Works

•Removal and disposal of existing sanitaryware, fixtures and finishes

•Installation of new baths, WCs, basins, showers and thermostatic controls

•Adapted bathroom installations if required (e.g., level access showers)

•Wall and floor tiling, waterproofing systems and decorative reinstatement

•Mechanical, plumbing and electrical works

Value Band 2 - £0 to Unlimited

This Lot covers the planned replacement, renewal and installation of kitchens and bathrooms. The purpose of this Lot is to support members in delivering high quality, compliant, resident focused kitchen and bathroom programmes that improve living conditions, update key components at end of life, and maintain asset standards aligned with WHQS 2023 and wider organisational requirements.

Contractors appointed to this Lot will be expected to deliver a full range of kitchen and bathroom works, including (but not limited to):

Kitchen Works

•Removal and disposal of existing kitchen units, worktops, appliances and finishes

•Supply and installation of new kitchen units, worktops, sinks, taps and associated fittings

•Wall and floor tiling, splashbacks, decorative finishes and making good

•Mechanical, electrical and plumbing alterations to support layout changes

•Associated works such as extract ventilation, safety upgrades and lighting

•Compliance with ergonomic standards, safety requirements and customer specified component choices

Bathroom Works

•Removal and disposal of existing sanitaryware, fixtures and finishes

•Installation of new baths, WCs, basins, showers and thermostatic controls

•Adapted bathroom installations if required (e.g., level access showers)

•Wall and floor tiling, waterproofing systems and decorative reinstatement

•Mechanical, plumbing and electrical works

Value Band 1 - £0 - £1500000

This Lot covers the planned replacement, renewal, repair and improvement of roofing systems. It supports members in maintaining safe, weather tight, compliant and long lasting roof structures across domestic/ and commercial property portfolios.

Contractors appointed to this Lot will be expected to deliver a range of planned roofing services, including (but not limited to):

Roofing Works

•Removal and renewal of slates, tiles, battens and underlay

•Replacement of ridge tiles, hip tiles, verge finishes and associated details

•Installation of roof ventilation components, insulation improvements and associated compatibility works

•Repair or replacement of roof trusses, rafters or supporting timbers where required

•Renewal of flat roof coverings including built up felt, liquid applied systems and single ply membranes

•Upgrading insulation to meet thermal performance standards

•Installation of new edge trims, flashings and upstands

•Full preparation, stripping and making good of substrates

•Renewal of fascias, soffits, bargeboards and roofline components

•Rainwater goods replacement (gutters, downpipes, hoppers)

•Chimney repairs, repointing, removal or reconstruction

•Repair of leadwork, including flashings, valleys and abutments

•Emergency roofing repairs as part of planned work programmes

Value Band 2 £0 - Unlimited

This Lot covers the planned replacement, renewal, repair and improvement of roofing systems. It supports members in maintaining safe, weather tight, compliant and long lasting roof structures across domestic/ and commercial property portfolios.

Contractors appointed to this Lot will be expected to deliver a range of planned roofing services, including (but not limited to):

Roofing Works

•Removal and renewal of slates, tiles, battens and underlay

•Replacement of ridge tiles, hip tiles, verge finishes and associated details

•Installation of roof ventilation components, insulation improvements and associated compatibility works

•Repair or replacement of roof trusses, rafters or supporting timbers where required

•Renewal of flat roof coverings including built up felt, liquid applied systems and single ply membranes

•Upgrading insulation to meet thermal performance standards

•Installation of new edge trims, flashings and upstands

•Full preparation, stripping and making good of substrates

•Renewal of fascias, soffits, bargeboards and roofline components

•Rainwater goods replacement (gutters, downpipes, hoppers)

•Chimney repairs, repointing, removal or reconstruction

•Repair of leadwork, including flashings, valleys and abutments

•Emergency roofing repairs as part of planned work programmes

This Lot covers the full lifecycle of PVC U (and other) window and door replacement — including surveying, manufacturing, supplying and installing new units. The purpose is to support members in delivering secure, energy efficient, durable, and compliant building components that improve comfort, reduce heat loss and meet WHQS requirements.

Contractors appointed to this Lot will be required to deliver:

•Surveys carried out in accordance with installation standards

•Assessment of structural openings, tolerances, ventilation needs, and safety compliance

•Production of PVC U frames meeting required performance standards such as:

•Safe removal and disposal of existing windows and doors

•Installation of new frames, glazing, trims, cills, finishing components and fixings

•Achieving required airtightness, thermal performance, and weather tightness

•Making good reveals, plaster, decoration, and surrounding fabric

•Compliance checks including water resistance, wind load, and air permeability performance

Provision of fire doors will be included within the lot but it will not be obligatory for suppliers to supply them.

Whole Property Works - Value Band 1 £0 - £2000000

his Lot covers full property, multi trade planned works. It is designed for contractors capable of delivering a comprehensive range of internal and external works through a coordinated, integrated whole property approach.

This Lot supports members looking to appoint a single supplier to manage and deliver wide ranging property improvement programmes, including but not limited to:

Internal Works

•Kitchen and bathroom replacements

•Internal joinery, flooring, plastering, decorations

•Fire doors

•Rewires, lighting upgrades and electrical safety improvements

•Heating replacements, boiler swaps, radiators and associated M&E work

•Internal decarbonisation measures

External Works

•Roofing renewal, roofline components and rainwater goods

•External wall repairs, repointing, brickwork and render refurbishment

•Windows and doors

•Replacement of windows and doors

•Insulation improvements (loft, cavity, external, ventilation integration)

•External decarbonisation measures

Whole Property Works - Value Band 2 £0 - Unlimited

This Lot covers full property, multi trade planned works. It is designed for contractors capable of delivering a comprehensive range of internal and external works through a coordinated, integrated whole property approach.

This Lot supports members looking to appoint a single supplier to manage and deliver wide ranging property improvement programmes, including but not limited to:

Internal Works

•Kitchen and bathroom replacements

•Internal joinery, flooring, plastering, decorations

•Fire doors

•Rewires, lighting upgrades and electrical safety improvements

•Heating replacements, boiler swaps, radiators and associated M&E work

•Internal decarbonisation measures

External Works

•Roofing renewal, roofline components and rainwater goods

•External wall repairs, repointing, brickwork and render refurbishment

•Windows and doors

•Replacement of windows and doors

•Insulation improvements (loft, cavity, external, ventilation integration)

•External decarbonisation measures