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WHAT WE DESIGN
External wall insulation
Internal wall insulation
Cavity wall insulation
Roof and loft insulation
Replacement windows and doors
Ventilation
Integration of solar PV, battery storage and heat pumps, where these form part of the project
MEASURES THAT WORK TOGETHER
Most retrofit problems happen at the junctions: where wall insulation meets a window, a roof or the ground, or where a home becomes more airtight without the ventilation to match. Our designs set out how each measure is detailed and how it interacts with the others, so installers have clear information and the finished home performs as intended.
Where the design needs it, our technical assessments can include heat-loss, thermal bridging and condensation risk calculations and ventilation assessments.
WHO IT IS FOR
Housing associations, councils, contractors and private clients, from individual homes to programmes across social housing. Design usually sits within a PAS 2035 project alongside retrofit coordination. See examples in our Newland Way, Monmouth and The Retreat, Monmouth projects.
FREQUENTLY ASKED QUESTIONS
Can you design a single measure rather than a whole-house package?
Yes. We design individual measures as well as packages, and where one measure could affect another part of the building, such as ventilation, the design will say so. Our article Is a single retrofit measure worth it? covers the trade-offs.
Do you survey the property first?
A measured building survey using LiDAR and 3D scanning is included as standard on our design projects. We also recommend a visual structural survey on all external wall insulation projects.
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