Part L · Dwellings
SAP calculations
Design-stage and as-built assessment, with practical input where the specification needs to change.
Explore serviceServices
Domestic assessment,
joined-up advice.
Standalone calculations where that is all the project needs. Coordinated energy-compliance support where several requirements interact.
Completion · Certification
New-build EPCs
The appropriate certificate for a completed new dwelling, produced from the final SAP assessment.
Explore serviceOverheating · New residential buildings
Part O overheating
Overheating risk considered while orientation, glazing, shading and openings can still be coordinated.
Explore servicePart F · Dwellings
Part F ventilation
Ventilation strategy coordinated with layouts, airtightness, services and the wider energy design.
Explore serviceWater use · Dwellings
Part G water efficiency
Whole-dwelling water-use calculations with practical review of proposed fittings and flow rates.
Explore serviceFabric · Construction
U-values & fabric optimisation
Project-specific calculations for walls, roofs and floors, with practical advice to optimise insulation build-ups and whole-dwelling fabric performance.
Explore serviceExtensions · Fabric trade-offs
Area-weighted U-values
A project-specific assessment where glazing and element performance need to be considered together.
Explore serviceJunctions · Detailing
Thermal bridging
Junction strategy reviewed as part of fabric performance, SAP and buildable construction detailing.
Explore serviceStrategy · Design support
Part L consultancy
Joined-up advice when several requirements interact or a design needs a cost-conscious route to compliance.
Explore serviceDomestic projects
The current service is focused on domestic energy and related Building Regulations assessment. For commercial buildings, a separate non-domestic specialist is required.
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Upload the drawings and a few project details. We will review what is needed and confirm the scope before work begins.
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