Lomax Builders Ltd breathes new life into Victorian School

Built in 1897 for £3000, St Marks Boys School in Hall Road, Norwich has been refurbished into eight stunning energy efficient apartments by Lomax Builders Ltd.

Using Minus7 technology, Lomax Builders have been able to provide low carbon heating and hot water to tenants at minimal running costs, allowing them to charge a reduced price for energy, creating an additional revenue stream.

Meeting the highest environmental and sustainability targets
Discovered at EcoBuild by David Lomax, Minus7 is an award-winning building integrated technology made up of 3 parts:

  • an energy collecting roof
  • a solar energy processor 
  • thermal stores

As the solar thermal tileplanks work with conventional roof construction methods, there is no need for ugly bolt-ons or expensive back up systems. The tileplanks blend in seamlessly to the architecture and aesthetics of the property. 
Weighing 27kilos per square metre – the equivalent of Welsh slate - two areas of the Victorian School roof have been replaced with Minus7 tileplanks in slate grey. A total area of 93.6m2 has been covered with an output of 64 Kilowatt hours. Three thermal stores holding 12,000 litres of water have been completely hidden under an area of decking in the courtyard. The distinctive Victorian character of St Mark’s boys school has been retained whilst meeting the highest environmental and sustainability targets.

An easy solution 

Available to rent from £875 - £1100 PCM, all apartments have been quickly occupied with happy tenants who have not noticed anything different about the way the system works, as it is controlled and regulated with a standard timer and thermostat.
Whilst the modular nature of the technology ensures that heating and hot water demands can be met 100% of the time, remote monitoring services provide complete transparency of the energy generated, used and stored. It also allows the Minus7 after-care service team to proactively ensure the system is working as efficiently as possible, without disrupting tenants.
“With so many choices on the market, it’s hard to know what you’re getting” said David Lomax - Lomax Builders. He added “Minus7 have been really good, when people ask me, would you use them again? I say yes!”

Lomax Builders have been so impressed with Minus7’s system performance and customer care that they are now looking to use the next generation of Minus7 technology on their upcoming developments.

Launching latest innovation at EcoBuild 2016

Already designed to efficiently harvest thermal energy day and night at temperatures as low as -7ºC, the latest innovation from Minus7 will go even further. A new composite design of Minus7 solar endothermic tileplanks will embed photovoltaic technology without compromising their appearance. This latest innovation and heating revolution will make effective use of valuable roof space and almost double the output of the system per square metre in relation to current Minus7 systems. Minus7 will soon be able to provide a zero net carbon solution with zero net running costs, by design.

Minus7 is expanding - with the team increasing to 15 employees and the launch of the next generation of technology upon them.

Visit Minus7 at EcoBuild, ExCel London - Stand #E1240 - 8/9/10th March 2016 for the unveiling of the latest heating revolution offering Net Zero running costs and ZERO net carbon by design.