Trosnant - Llandrindod Wells 22nd & 29th October

The home:

Detatched house built around 1975, extensively upgraded in 2013/14. Edge of town/rural situation. Cavity wall construction with brick outer and concrete block inner leaf.

Modifications:

Floor, roof and external wall insulation plus draught sealing to near Passivhaus standards. Window openings reduced. Triple-glazing. MVHR installed. Primary heating: room sealed wood stoves. Solar hot water and solar PV panels.

Motivations:

To reduce energy requirements. To eliminate need for central heating system.

Approximate costs:

Heat pump and associated plumbing £11.3k; 

Initial PV £5.8k; 

External wall cladding £7.5k. 

2nd PV installation £6.2k 

Approximate energy savings:

"Last detailed records made in 2017 show net annual energy cost of just over £300 which is around 85% less than before work was undertaken.".

Who did the work?

Builth Building Services.