St Modwen

St Modwen Homes completes carbon-negative homes in Sussex

St Modwen Homes has announced the completion of two new carbon-negative properties at its Heathy Wood development in Copthorne, Sussex.

The homes are part of a trial which aims to demonstrate the potential to deliver quality energy efficient and commercially scalable properties.

The three-bedroom houses are designed to produce more energy than they consume — according to St Modwen, they could reduce a family’s total energy bills by 52% when compared with a standard new build house and around 79% compared with the average UK home.

The homes were built with a timber frame and the foundations were formed using low-carbon concrete, meaning the embodied carbon was reduced from the outset.

According to St Modwen Homes, the homes are capable of delivering a 125% reduction in CO2 emissions compared to current standards. 

In addition to improved building fabric, insulation and ventilation to ensure the homes are airtight, the properties are fitted with photovoltaic solar panels, a battery, an electric vehicle charger, an air-source heat pump, a smart hot water tank, heat recovery ventilation and a wastewater heat recovery unit to minimise energy use and reduce emissions.

Working in partnership with British Gas, the homes will also be fitted out with Hive Smart Home technology, which will include a Hive smart thermostat and smart radiator valves to enable the household to control their usage. 

Dave Smith, managing director at St. Modwen Homes, said: “With energy prices continuing to rise, creating energy-efficient homes that are affordable to build is more vital now than it ever has been.

“As an industry leader in using low-carbon modern methods of construction already, we have a responsibility to use this experience to prove that carbon negative houses can significantly cut energy bills and reduce emissions. 

“Over the course of this year, we will be analysing the results of this latest trial to aid us in our objective to build these new homes at scale for the benefit of homeowners and the environment.”

Jana Siber, managing director at British Gas, added: “Partnerships like this are an essential part of the UK’s journey towards a decarbonised future. 

“While on a small scale at this stage, we are exploring how we can help customers lower their carbon emissions using smart technology. 

“The need to provide carbon neutral homes has never been greater; that’s why we are working with companies like St Modwen and why we’ve committed to training 3,500 apprentices over the next decade, many of whom will gain specialist green skills to support with the demand that’s coming.”

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