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SAP Calculations & EPCs

We provide tailored solutions for new build and converted dwellings and flats to comply with Part L of the Building Regulations including design stage and as-built assessments and EPCs for a range of projects to suit your individual needs.  

New Build

New dwellings must have design stage (BREL) and as-built SAP calculations and an EPC upon completion of the works to comply with building regulations. 

We offer tailored solutions and produce the required documentation to satisfy building control. 

Conversions

Conversions to dwellings are required to have an EPC upon completion of works. 

We can provide guidance on suitable specifications to meet the minimum building regulation requirements for new and upgraded walls, floors and roofs. 

Extensions

Where your extension has glazing exceeding 25% of the floor area you will be required to justify the glazing. 

We undertake both area-weighted u-value and SAP calculations to justify the proposed area of glazing. 

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