SAP Data Entry for Extensions Please complete as fully as possible and email to jerry@c2cdartmouth.co.uk Please note that construction drawings including plan, elevation and sectional views will be required along with a schedule of window, door and roof light specifications, dimensions and locations. PDF or CAD plans are preferred. Paper versions may be accommodated at additional cost but please note that photocopies cannot be used as the scale may be distorted. Contact Name
Contact Email
Contact Number
Property Name
Property Address
Property Type (House, bungalow etc.)
Property Type (End Terrace, detached etc.)
Property Orientation (where does the front door face?)(NSEW) Existing Property Date Built
New Extension Wall Construction (from external to internal) e.g. mm brickwork, mm cavity, mm polystyrene, mm Thermalite turbo block, mm plaster U-Value (W/m²K) achieved if known
New Extension Secondary Wall Construction (from external to internal) e.g. mm brickwork, mm cavity, mm polystyrene, mm Thermalite turbo block, mm plaster Please include details of internal partitions and room in roof stud walls. U-Value (W/m²K) achieved if known
New Extension Roof Construction (external to internal) E.g. Pitched roof with insulation at rafters, pitched roof insulated flat ceiling or flat roof. Please give full details of all layers.
U-Value (W/m²K) achieved if known
New Extension Ground Floor Details (external to internal) e.g. mm Concrete Slab, mm Kingspan K103, mm screed etc
U-Value (W/m²K) achieved if known
New Extension Glazing Type Single Glazing Double Glazing Triple Glazing Double/Triple Glazing Air Gap 6mm 12mm 16mm 20mm 24mm Other
New Extension Window Frame Type(upvc/aluminium/timber/composite) Window Properties K Glass Argon Filled Soft Coat Hard Coat Low e
Window U-Value (W/m²K) if known, for whole frame unit from manufacturer’s specification Door U-Value (W/m²K) if known, for whole frame unit from manufacturer’s specification (note doors with over 60% glazing are treated as windows e.g. patio doors)
Total area of openings removed as part of project
Additional Information:

I certify that these details are correct to the best of my knowledge.

Signed Name (Print)

Position Date