Tackling cold homes: a national infrastructure priority?

Rather appropriately on Cold Homes Week ministers have been told that reducing the number of cold, leaky houses in the UK should be made a national infrastructure priority. It seems there is now widespread, cross-party support for this. While this will feel like old news to us at Parity Projects and many of our industry […]

A record breaking home! Energy figures for 2015

Ok, so its our own record, but we’ve had the lowest calendar year energy usage for our demo house so far. I’m putting it down to 3 changes over last year – a) slightly lower occupancy with the children being out at school b) a very mild 12 months c) some remediation work to some […]

Smarter investment for housing associations – CROHM vs EPC recommendations

If you are looking for a way to improve the energy efficiency of your worst performing stock then you might turn to your EPC certificate for recommendations. However, Parity have shown impressive savings can be made by using the minimum SAP analysis as part of the CROHM (Carbon Reduction Options for Housing Managers) stock assessment […]

Comparison to Passivhaus – update

Way back in September 2013 we posted a piece comparing our demo house to Passivhaus and Enerphit.  I’ve provided updated figures here based on our actual bills for 2014: The figures pretty much speak for themselves. Remember, we didn’t follow Passivhaus, we just followed sensible principles, worked out the cost effective solutions applicable to our house, […]

Home Energy Masterplan National Coverage

We thought it would be interesting to work up a quick graphic of where we’ve carried out our award winning Home Energy Masterplan service throughout the UK. The image below shows the location of all Masterplan assessments carried out since 2005 based on postcode. You’ll spot some patterns, for example, the fact that we get […]

Blog for Building.co.uk: Real retrofit requires real professionals

Our Managing Director, Russell Smith’s most recent blog for Building, posted 12th December 2013 Real retrofit requires real professionals; Retrofit is being dumbed down, and the results of ignorance can be disastrous There has been a lot of rumpus recently over what makes up our energy bills. It’s surely obvious that the energy tariff actually becomes […]

A Busy Day in Devon

While we usually advise a lead-in time of around 1-2 weeks between signing up for our Home Energy Masterplan service and receiving a visit from one of our expert surveyors, we do strive to accommodate clients whenever possible. Still, it was quite a surprise whilst visiting a project management client in Exeter last Friday to […]

Comparison to Passivhaus

Whilst we support many of the underlying principle of Passivhaus design, we don’t believe that Passivhaus principle and design are the most suitable approach to retrofitting most of the UK’s buildings.  Essentially this is for the following reasons: – Passivhaus compared to best practice standard eco renovation means lower gas and higher electricity loads due […]