SAP calculations for new homes, extensions, and residential design stages
Service
Energy Compliance
Valo Design helps project teams understand and demonstrate building performance through SAPs, TM59 modelling, and psi-value calculations.
Overview
Energy compliance support for residential projects that need clear calculations, coordinated design input, and a smoother route through approval.
TM59 overheating modelling to test summer comfort and glazing strategies
Psi-value calculations for junctions where thermal bridging matters
Design feedback that links compliance results back to useful architectural decisions
What we produce
SAP assessment information
TM59 overheating reports
Psi-value calculation summaries
Design recommendations for fabric, glazing, ventilation, and junction performance
Best suited to
New-build housesLow-energy residential projectsPlanning and building control submissionsDesign teams coordinating fabric performance
Process
A clear route from first conversation to useful information.
- 01
Review drawings, specification notes, glazing areas, and construction build-ups.
- 02
Model the project against the relevant energy and overheating criteria.
- 03
Identify any pressure points in fabric, services, ventilation, or junction details.
- 04
Issue clear compliance outputs and practical design recommendations.
Other services
Connected support for the rest of the project.
New houses
Bespoke homes shaped around site, light, budget, and the way each household wants to live.
Renovation
Careful redesign of existing houses, from whole-home remodelling to sensitive extensions.
Detailed design
Technical drawing packages, material guidance, and coordination for confident construction.
Planning support
Clear concept options, planning drawings, and design statements that help proposals move forward.
Interior design
Room layouts, finishes, lighting, joinery, and furniture direction that make the architecture feel complete.