Heat Pumps for Property Developers: Compliance Made Simple

Why Heat Pumps Are Now the Default for Property Developers

Heat pumps are no longer optional for residential developers in England — they are rapidly becoming the only viable heating solution. The Future Homes Standard, updated Part L Building Regulations, and tighter SAP calculation requirements effectively engineer gas boilers out of new developments. Developers who do not have a reliable heat pump installation partner face building control delays, poor EPC ratings, and missed compliance deadlines. At Electromatic M&E Ltd, we provide heat pump installation services specifically designed for property developers: design, installation, MCS certification, and compliance documentation from a single contractor.

Related reading: Heat pump subcontractor in London: why builders work with us | New build heat pump requirements: what developers must know

The Regulatory Landscape: What Developers Must Know

Future Homes Standard (FHS)

The Future Homes Standard, introduced from 2025, requires new homes to produce 75–80% less carbon emissions than under previous regulations. In practical terms, this means:

• No gas boilers in new builds — fossil fuel heating systems cannot meet the carbon targets
• Heat pumps as the primary heating solution — air source heat pumps are the most common and cost-effective option for residential developments
• Higher fabric standards — improved insulation, better airtightness, and reduced thermal bridging
• On-site renewable energy — solar PV is increasingly specified alongside heat pumps to meet the carbon reduction targets

The FHS applies to all new homes where planning permission is applied for from 2025 onwards.

Part L Building Regulations (Conservation of Fuel and Power)

Part L sets the minimum standards for energy efficiency in buildings. The 2025 update significantly tightens the requirements for new dwellings:

• Target Emission Rate (TER) — the maximum permitted CO2 emissions, calculated using SAP methodology
• Target Fabric Energy Efficiency (TFEE) — the minimum fabric performance standard
• Primary energy rate — a new metric measuring total primary energy consumption

A gas boiler, even a condensing model with 92% efficiency, cannot meet the new TER and primary energy targets without expensive compensatory measures. An air source heat pump, with a COP of 3.0–4.0, meets the targets far more easily and cost-effectively.

SAP Calculations: How Heat Pumps Help Your Numbers

The Standard Assessment Procedure (SAP) is the government’s methodology for assessing the energy performance of dwellings. Heat pumps dramatically improve SAP performance because:

• High efficiency — a COP of 3.5 means the heat pump is 350% efficient, compared to 92% for a gas boiler
• Low carbon factor — electricity has a lower carbon factor than gas in the SAP calculation, and this gap is widening as the grid decarbonises
• Solar PV synergy — combining a heat pump with solar PV further reduces the dwelling emission rate, often pushing the EPC to A-rated

For developers, higher EPC ratings translate to faster sales, higher values, and compliance with both building regulations and lender requirements.

Approved Document O: Overheating Risk

The relatively new Approved Document O (introduced 2022) addresses overheating risk in new dwellings. Heat pumps do not generate the same level of waste heat as combustion systems, and some models can provide active cooling in summer — a genuine selling point for buyers in London where urban heat island effects are a growing concern.

What Electromatic M&E Offers Property Developers

End-to-end heat pump installation

We handle the complete heat pump package for your development:

• Heat loss calculations for each dwelling type (using MCS-compliant methodology)
• System design — heat pump selection, cylinder specification, pipework layout, control strategy
• Equipment procurement — through our established trade accounts, at volume pricing
• Installation — by our qualified, directly supervised engineers
• Commissioning — to MCS Technical Standards and manufacturer specifications
• MCS certification — individual MCS certificate for each dwelling
• BUS Grant processing — for qualifying retrofit projects (subject to eligibility criteria set by Ofgem)
• Documentation — commissioning records, homeowner packs, warranty registrations

Design support for architects and M&E consultants

If your project is still at design stage, we can provide input on heat pump specification, plantroom layout, acoustic compliance, and energy strategy. We work with SAP assessors to ensure the heating specification achieves the required DER and DFEE targets.

Multi-unit project management

For developments with multiple dwellings, we provide a structured project management approach:

• Single point of contact — a dedicated project manager for your scheme
• Phased installation programme — coordinated with your build sequence
• Plot-by-plot tracking — commissioning status, MCS certification, and warranty registration for each unit
• Standardised specifications — consistent system design across dwelling types to simplify procurement and installation

Volume pricing

Our volume discount structure is designed to make heat pumps cost-effective at scale:

New Builds vs Retrofit: Different Paths, Same Quality

New build developments

For new builds, heat pump installation is a first-time fit — there is no existing heating system to remove. This requires careful coordination with the build programme:

• First fix: Pipework rough-in, cylinder position preparation, electrical supply provision
• Second fix: Heat pump mounting, hydraulic connections, control wiring
• Commissioning: System fill, pressure test, heat pump start-up, weather compensation setup, performance verification

We work with your site manager to schedule each phase, ensuring our work does not hold up other trades.

Retrofit and conversion projects

For conversion projects (e.g., office-to-residential, barn conversions, or refurbishment of existing housing stock), the approach is different:

• Existing system removal — including safe decommissioning of gas boilers by our Gas Safe registered engineers
• System assessment — evaluating existing radiators, pipework, and hot water arrangements for compatibility with a heat pump
• BUS Grant eligibility — retrofit projects may qualify for the £7,500 BUS Grant per dwelling (subject to eligibility criteria set by Ofgem)

The BUS Grant is particularly relevant for developers converting or refurbishing existing buildings. At £7,500 per qualifying unit, a 10-dwelling conversion scheme could access significant grant funding — a meaningful contribution to the project budget.

MCS Certification for Every Unit

Every heat pump we install receives an individual MCS certificate. This matters because:

• Building control compliance — MCS certification provides a recognised quality assurance framework that simplifies the sign-off process
• Warranty protection — MCS certification is a prerequisite for most manufacturer warranty claims
• Future resale value — when the property is resold, the MCS certificate provides confidence that the heating system was installed to recognised standards
• Grant eligibility — for retrofit projects, MCS certification is the gateway to the BUS Grant (subject to eligibility criteria set by Ofgem)

Working with Your SAP Assessor

We have experience working alongside SAP assessors and energy consultants to ensure the heat pump specification achieves the required energy performance. This includes:

• Providing accurate system data — COP values, seasonal performance factors, and product certification details for input into SAP calculations
• Optimising the specification — if the initial SAP assessment shows that the development needs a higher-performing heat pump or additional solar PV to meet targets, we can adjust the specification accordingly
• Post-completion SAP — providing actual commissioning data for the as-built SAP assessment

Acoustic Compliance

Heat pump noise is a legitimate concern for residential developments, particularly on higher-density schemes where the outdoor unit may be close to neighbouring properties or communal areas. We address this through:

• Equipment selection — specifying heat pumps with low noise ratings (typically 45–55 dB(A) at 1 metre for residential units)
• Siting — positioning the outdoor unit to minimise noise impact on neighbours, in accordance with MCS Planning Standard MIS 3005
• Acoustic mitigation — where necessary, specifying acoustic enclosures or barriers to meet permitted development noise limits (42 dB at the nearest neighbour’s window)
• Compliance evidence — providing noise data and compliance calculations for planning and building control

Areas We Cover for Development Projects

Electromatic M&E provides heat pump installation for property developers across:

• Greater London — all boroughs
• Surrey — including Guildford, Woking, Epsom, Weybridge, and Reigate
• Berkshire and Middlesex — Windsor, Staines, Hounslow
• South East England — for larger schemes, we can extend our coverage by arrangement

Frequently Asked Questions

Do new build homes need heat pumps under the Future Homes Standard?

Not specifically heat pumps — but in practice, yes. The Future Homes Standard requires new homes to produce 75–80% less carbon than under previous regulations. Gas boilers cannot achieve this target. Air source heat pumps, often combined with solar PV, are the most practical and cost-effective way to comply. Alternative low-carbon heating technologies exist (ground source heat pumps, heat networks), but air source heat pumps are the standard choice for the vast majority of residential developments.

Can developers access the BUS Grant?

The BUS Grant (subject to eligibility criteria set by Ofgem) is available for retrofit installations — replacing an existing fossil fuel heating system with a heat pump. It is not available for new build homes. However, conversion and refurbishment projects where an existing heating system is being replaced do qualify. The grant is worth £7,500 per eligible dwelling and is applied at the point of installation.

How long does it take to install heat pumps on a multi-unit development?

For a standard residential ASHP installation, allow 2–3 days per unit for second fix and commissioning. For a development of 10 units, this means approximately 3–4 weeks of installation time, though this can be compressed with parallel working. First fix pipework is typically completed earlier in the build programme and takes approximately 1 day per unit.

What EPC rating can we achieve with a heat pump?

A new build dwelling with an air source heat pump and good fabric standards will typically achieve an EPC rating of B or A. Adding solar PV almost always pushes the rating to A. This is significantly better than the EPC C or D typically achieved with a gas boiler in a similar dwelling.

Do you provide a warranty on the installation?

Every installation carries our workmanship guarantee plus the manufacturer’s product warranty (typically 5–7 years on the heat pump unit, with extended warranties available). We also provide a comprehensive commissioning pack and register all warranties on behalf of the property purchaser.

Get a Volume Quote for Your Development

Whether you are planning a 2-unit conversion or a 50-unit residential scheme, we can provide a competitive quotation tailored to your project.

Submit a developer enquiry →

Call us: 07718 059 284 | Email: admin@electromatic.uk

The information in this article is for general guidance only and does not constitute legal, regulatory, or commercial advice. Building regulation requirements are correct as of April 2026 and may be subject to legislative change. Volume discount figures are indicative and subject to detailed project assessment. The Boiler Upgrade Scheme (BUS) grant of £7,500 is subject to eligibility criteria set by Ofgem — not all properties qualify. Electromatic M&E Ltd operates under MCS certification via our accredited umbrella partner. All installations comply with Building Regulations Part L and MCS standards. E&OE.

Written by Electromatic M&E Ltd — ASHP & Solar installer, London & Surrey (electromatic.uk)

Last updated: April 2026 | Electromatic M&E Ltd, Company No. 13837345