Making the switch over to renewable heating for your home or business has never been easier and accessible, largely due to grants that are available from the government. In the UK, the government offers a Boiler Upgrade Scheme, which continues to financially support both homeowners and businesses that are looking to move to air source heat pumps. 

Current Grant Availability and Funding Amounts 

The Boiler Upgrade Scheme remains the primary source of funding for air source heat pump installations in 2025. Under this scheme, both business owners and homeowners are able to receive up to £7,500 towards the cost of installing an air source heat pump system. 

This grant amount represents a substantial contribution towards the total installation cost, making renewable heating solutions significantly more accessible to UK households. The funding is designed to bridge the gap between traditional boiler costs and heat pump technology, encouraging widespread adoption of sustainable heating systems. 

Who Qualifies for Air Source Heat Pump Grants? 

Eligibility for the air source heat pump grant extends to various property types and ownership structures: 

Domestic homeowners form the primary eligible group, including those who own their property outright or are purchasing through a mortgage. 

Certain commercial property owners may also qualify, particularly small businesses and landlords with eligible properties.  The scheme recognises that renewable heating benefits extend beyond residential applications. 

Properties must meet specific criteria, including having adequate insulation standards and being suitable for heat pump installation. The existing heating system being replaced must typically be a fossil fuel system rather than an existing renewable technology. 

Qualifying Heat Pump Systems 

Not all air source heat pump systems qualify for grant funding. To be eligible, systems must meet strict certification requirements: 

MCS-certified air source heat pump systems are mandatory for grant applications. The Microgeneration Certification Scheme ensures that both the technology and installers meet rigorous quality and performance standards. 

Systems must be appropriately sized for the property and demonstrate sufficient efficiency ratings. The heat pump must be capable of providing both space heating and, where required, domestic hot water for the property. 

Installation must be carried out by MCS-certified installers who will guarantee proper system design, installation quality, and ongoing performance. This certification requirement protects both the grant funding and ensures homeowners receive reliable, efficient heating systems. 

Step-by-Step Application Process 

The application process for air source heat pump grants follows a structured approach designed to ensure proper system specification and installation: 

Initial assessment and quotation: Your chosen installer will assess your property’s suitability and provide a detailed quotation including grant deductions. 

Grant application submission: Typically, the MCS-certified installer handles the grant application on your behalf, submitting all necessary documentation and technical specifications. 

Application review and approval: The scheme administrators review applications, usually providing decisions within several weeks of submission. 

Installation scheduling: Once approved, installation can proceed according to the agreed timeline, with grant funding applied directly to reduce your final costs. 

Final certification: Post-installation, the system receives final certification, completing both the installation and grant process. 

Applications require specific documentation including property details, existing heating system information, and technical specifications for the proposed heat pump system. 

Benefits Beyond the Grant 

Whilst the grant significantly reduces upfront costs, air source heat pumps deliver ongoing benefits that extend well beyond the initial installation: 

A number of savings come into play with heat pump installation. Firstly, energy bills are almost always slashed in half. A 300 to 400% efficiency of heat pumps usually means energy output is greater than energy input. 

Enhanced sustainability credentials help properties contribute to national carbon reduction targets whilst potentially increasing property values. Many buyers now specifically seek properties with renewable heating systems. 

Improved heating control and consistency often surprise new heat pump owners, with many systems providing superior comfort compared to traditional boilers. 

Expert Support Throughout Your Journey 

Navigating grant applications and heat pump installations requires specialist knowledge and experience. Terra Therma provides comprehensive support from initial property assessment through to final system commissioning and grant claim completion.  

Our team handles the technical complexities of system specification, ensures all certification requirements are met, and manages grant applications to maximise your chances of approval. This full-service approach removes the uncertainty from upgrading to renewable heating whilst ensuring you receive optimal system performance. 

Make Your Move to Renewable Heating 

Getting a grant for air source heat pumps is an excellent step to take in 2025, upgrading your heating system whilst also significantly reducing the cost. Not only is there funding available, you also receive expert support, meaning there has never been a better time to make the switch than now. 

We at Terra Therma are here to assist you in offering personalised guidance on whether your property qualifies for grant funding. Our team of industry experts can assess your current situation, recommend suitable system configuration, and can guide you through the entire process from application to installation.

Get in touch today and speak to one of our experts.

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Terra Therma and Oyster Pier have collaborated in producing 10 custom-made Dutch barges as part of a prestigious project. Oyster Piers commitment to providing top notch luxury living to its buyers made them an excellent and unique client to work with.

The Dutch barges are typically 40m long and are interior-designed to buyer’s specifications. Residents will be able to enjoy the views of London and the River Thames in comfort, thanks to the sustainable heating systems, which were provided by Terra Therma.
One of the barges designed and built has been supplied with two air source heat pumps, provided by Terra Therma; one is for comfort cooling and the other is for heating and hot water access. The other 9 barges also featured underfloor heating.

Apart from the custom heating, these barges also have access to private moorings on the south bank of the River Thames. This gives residents a permanent location for each boat and access to the nearby areas of Chelsea Harbour and Battersea. Battersea Village has several attractions to visit such as bars, restaurants and markets. The nearby Battersea Square offers a ‘chic’ and friendly vibe to its visitors and also offers different attractions for families and couples, such as the Children’s Zoo and Sambrooks Brewery.

Oyster Piers unique residential mooring has changed the way people live on water and have incorporated gorgeous views and facilities along with comfortable living. Terra Therma are pleased to have worked with such an eminent company that are re-inventing residential living.

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Scope of works: 88,000 Sq ft home in Hampstead, North London. The original home dates back 94yrs and is in a Georgian Style and is receiving Aluminium diffussion plates to most of the ground floor, the developers have also constructed Europes largest privately owned basement which is being heated with a standard screeded underfloor heating system. In all the property will have 25 bedrooms, two cinemas, a 70ft indoor swimming pool and every other conceivable luxury a building of such grandure would need.

Key system components: Pex-a pipe in both 20 & 16mm sizes, Terra Therma manifolds and BMS controls.

Clients & Contractors: Safran Holdings, Witanhurst Construction, New Horizon Mechanical, David Franklin

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Scope of works: Three individual apartment blocks incorporating close to 500 plots of mixed use. Underfloor Heatings -Tacker system clipped to thermal insulation using tacker pins and covered with Lafarge Gyvlon Anhydrite Screed supplied and installed by Robert E Lee Ltd.

Key system components: Osma 15mm UFH specific pipe, SAV & Osma manifolds and Heatmiser Thermostatic controls.

Clients & Contractors: St James Urban Living, Robert E Lee Ltd, EPR Architects Ltd, Berkley Homes.

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Terra Therma has designed and supplied a bespoke underfloor heating system for the innovative new Archway Heights in London’s Haringey. Specifically designed to maximise the performance of the building’s air source heat pumps, the project’s underfloor heating system is one of many innovative features boasted by Archway Heights.

Leading London building services consultants Max Fordham designed the project to possess Code 4 thermal standards, an objective that Terra Therma has been instrumental in attaining, alongside Brava Building Services. As part of the service, Terra Therma supplied pre-insulated PEX Ali PEX pipework to run from the roof mounted heat pumps down through the building, in order to serve each apartment.

Externally, Archway Heights is equally ground- breaking, with a unique façade that has already made the building a local landmark. The project is very close to completion.

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Both the winning Grand Design Best New House of the Year 2013 and the highly commended runner up featured an underfloor heating system designed and installed by Eco experts Terra Therma Limited in Essex.

Terra Therma are extremely proud to be part of the highly skilled construction team that built the award winning Long Farm in Reydon, Suffolk, which was designed by the owner of Long Farm, Architect Lucy Marston. Long Farm is also on the 19-strong shortlist vying for regional awards in the RIBA East awards.

Terra Therma, are delighted to have provided the underfloor heating and a Daikin Air Source Heat Pump heating and hot water system, incoprporating modern press fit plumbing components to provide an efficient and clean heating system that will require little to no annual maintenance. Due to Long Farm’s use as a second home, Terra Therma designed both the heating and hot water systems to be remotely controlled from the owners Smartphone or Tablet, allowing the family to arrive to a lovely warm home and a relaxing hot bath!

Terra Therma has founded a reputation for its experience in renewable energy technology. The firm is an expert in designing, installing and maintaining heat pumps and underfloor heating systems which are an economical and efficient method of heating homes or business premises.

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Terra Therma have designed and installed a low energy Daikin Altherma Air Source Heat Pump to provide eco-friendly low cost energy to the our Underfloor Heating and domestic hot water system.

Renovation work costing more than £1million is under way on a derelict chapel in Westcliff to create a new base for community groups and charities.

Terra Therma were contracted to design and install a bespoke Air Source Heat Pump system to feed our underfloor heating system providing a comfortable and sustainable many years to come.

The old Prittlewell Chapel in North Road, Westcliff, is being transformed into the new centre, run by the Southend Association of Voluntary Services. The project is being funded by a community assets grant of more than £998,000 from the Government. A further £21,712 is being provided by the Southend Economic Participation Programme through the East of England Development Agency.

Once completed, the refurbished chapel will be transferred to community use when it is leased to the association.

The dilapidated building’s dramatic revival into a sustainable, energy-efficient centre, will be the subject of four short films being made by Blade Education.

Mark Flewitt, Tory Southend councillor responsible for transport and planning, said: “This series of films is an excellent way to demonstrate how this innovative restoration programme is developing. When completed, this refurbishment project will benefit Southend residents by helping to kick start new social enterprise businesses as well as assisting the voluntary sector.”

“It will also show people how to save energy and reduce their own carbon footprint”. “We are delighted, too, that the work will help preserve an historic Southend building.”

North Road Cemetery was originally created to provide extra burial capacity for St Mary’s Church in Victoria Avenue. The chapel was built in 1879 within the grounds of Westcliff cemetery, and the council bought the freehold for £900 in November that year. Although the cemetery itself is currently near capacity and rarely used, internment is still carried out in family graves. There are a high number of military graves within the cemetery, so there are also plans to provide information boards to give more details about the background of these.

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Terra Therma and Quinn Architects have come together and collaborated on this innovative new beach front property located in St Osyth in North East Essex. Both teams were committed to building a sustainable heating system that would benefit both the guests and the environment.

Quinn Architects – founded by Laurence Quinn in 2001 – have always prided themselves over precision and detail, and this project was testament to their design ethic.

Terra Therma worked closely with Quinn Architects to create the features necessary for this spacious design. Terra Therma has designed and installed underfloor heating using a Samsung air source heat pump to provide both warmth and comfort for the guests of unique property.. The beach house is a weekend residence which features phenomenal views of both the English Channel and the nature reserve.

Guests are provided with Internet/iPad remote access which allows them to control the air source heat pump, underfloor heating and hot water from anywhere at any point in time. The heat pump allows the kitchen, two bedrooms and bathroom to be insulated so no room gets left out.

The under croft is prone to floods, especially during high tide, so the location of the beach house meant that Terra Therma had to heavily consider how to locate the air source pump and underfloor heating system, so the heating system was scaled and installed underground. This is believed to be an innovative strategy as it gives the beach house more space and movement for the guests.

This unique beach house has been supplied with sustainable and efficient heating systems, which will comfort visitors for years and help reduce the buildings carbon footprint.

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One of Chigwell School’s biggest needs was expansion of their prep school which has always catered for children from the age of 7. Those needs have been answered with the introduction a new building which will feature 8 classrooms for up to 108 children. The new building will open its doors in September 2013 to new students aged between 4 and 7.

Terra Therma worked in conjunction with Morgan Clark Building Services and has designed, supplied and installed the underfloor heating system into the brand-new 700sq.m building. Both teams were committed providing the best and most suitable space for education.

As well as classrooms, the building will also feature a library where students will be able to read, study and use computers. The building will be a secluded site, which means that twenty four extra parking spaces and ten cycle spaces will be built as well.

The system was designed to complement the overall design of the building which was provided by AWA Building Services Consultants. The building boasts renewable technology with the underfloor heating system, provided by Terra Therma playing a major role in helping reduce the buildings carbon footprint. The UFH will provide warmth to the entire building whilst only taking up a limited amount of space.

Chigwell School is one of England’s oldest schools, and was originally built in 1629. It has gradually increased its number of students as well as becoming one of the best private schools in Essex.

This expansion will provide the school with a new building which will not only boost the number of students, but the quality of education offered as well. Terra Therma are proud to have been involved in such a prestigious project that will improve the learning experiences in Chigwell Prep School.

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Both the winning Grand Design Best New House of the Year 2013 and the highly commended runner up featured an underfloor heating system designed and installed by Eco experts Terra Therma Limited in Essex.

Terra Therma are extremely proud to be part of the highly skilled construction team that built the award winning Long Farm in Reydon, Suffolk, which was designed by the owner of Long Farm, Architect Lucy Marston. Long Farm is also on the 19-strong shortlist vying for regional awards in the RIBA East awards.

Terra Therma, are delighted to have provided the underfloor heating and a Daikin Air Source Heat Pump heating and hot water system, incoprporating modern press fit plumbing components to provide an efficient and clean heating system that will require little to no annual maintenance. Due to Long Farm’s use as a second home, Terra Therma designed both the heating and hot water systems to be remotely controlled from the owners Smartphone or Tablet, allowing the family to arrive to a lovely warm home and a relaxing hot bath!

Terra Therma has founded a reputation for its experience in renewable energy technology. The firm is an expert in designing, installing and maintaining heat pumps and underfloor heating systems which are an economical and efficient method of heating homes or business premises.

From 150 entries, judges including presenter Kevin McCloud himself, the architect Phil Coffey and the interior designer Naomi Cleaver named the four best new buildings in Britain, two of which incorporated underfloor heating supplied by Terra Therma. Long Farm, a modern Suffolk farmhouse costing £555,861 to build, was the big favourite and this year’s competition winner, with The Two Wimbledon Houses in London by Andre Saltkykov coming runner up as highly commended. This project also received an underfloor heating system on all floors. The ‘Best Extension 2013’ was ‘Cut and Fold’ extension in Twickenham, London and the ‘Best Small Project 2013’ was a new-build in East London designed by Laura Dewe Mathews.

On Long Farm, the judges said, ‘We selected this project because of its crafty engagement with its context, and the way it modernises its vernacular to make a considered and contemporary scheme. We also chose it because of its breathtakingly calm interiors.’ The judges were also impressed by the fact that the house is ‘clearly of its time and inspiring as an example of 21st Century family sustainable living. It is at once generous and outward looking but also intimate and warm, tailored but flexible, and modern yet classic.’

Sustainable building features include: Highly insulated structure with timber frame injected with re-cycled newspaper insulation – minimising heat loss though walls, floors and roof. Air source heat pump for heating and hot water provision. Wood burning stoves provide a back up heating source.

Terra Therma Director Mark O’Brien says: ‘We are experts in what we do and are working with some of the world’s top architects, builders and experts in renewable technology and underfloor heating so it is no surprise that our work is gaining awards and recognition for the work we do. We give every project our full attention and design each project individually so our clients get the best cost effective and environmentally friendly system for them.

Visitors to Grand Designs Live were able to see a examples of Terra Therma’s underfloor heating on show inside the four room Eco-Tech House within the Technology Zone at the event.

Terra Therma can design underfloor heating with virtually any floor type, and with no radiators to work around, underfloor heating giving the designer a blank canvas to work from. Contact our team of friendly underfloor heating experts here

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