Build Check Calculator

Online Energy Rating and U-Value calculator.

The build check calculator is accredited by.

UKAS for:

  • Airtightness testing to ATTMA TS1, TSL1, TSL2 and BS EN 13829:2001 for Building Regulations Part L1 and L2
  • Acoustic testing: Pre-completion testing for Building Regulations Part E
  • Thermal transmittance to BS EN ISO 10077-1:2002; 10077-2:2003 and BS EN 673:1998
  • Build Check Certification*: Windows & Doors and Glass & Glazing schemes, meeting the requirements of the BFRC energy rating scheme.

BFRC (British Fenestration Rating Council):

  • Have accredited Richard Bate, Michael Handley and Clive Cox for modelling the energy performance of windows to attain BFRC Window Energy Ratings
  • Build Check are approved by the BFRC as an IA (Independent Agency) for their energy rating scheme

The Oracle from Buildchecker is a one stop online solution for installers, fabricators and sealed unit manufacturers. The easy to use Oracle, door and window U-value and acoustic calculators, helps with CE Marking legislation and Building Regulations compliance, with the U-value calculator being recognised by FENSA and Certass. The Oracle also contains guidance documents helping companies to comply with the regulations, including example Factory Production Control (FPC) systems.

DOORCO has their products included on the U-value calculator making it a simple, accurate and quick way to obtain U-values for doorsets utilising a Doorco leaf. These U-value calculations can then be used to create a Notified Body report for CE Marking at a competitive rate.

Before you can use the Oracle, which includes the U Value Calculator and Acoustic Calculator Tools, you will need to subscribe by making a payment to Build Check Publications.

The cost is £300 + VAT for one year’s access to the U Value calculator and Acoustic calculator on the Oracle, which can be completed using the link below. Once your account has been configured by Build Check Publications if you contact or 01625 428955 we will provide you with access to the DOORCO range.