Submit planning drawings to qualify for a special discount code!

Bi-Fold Door Structural Calculations
for homeowners
(without the faff)

Insured up to £1.5m 

Rapid turnarounds

Money back guaranteed*

Dedicated customer service

Credit / debit cards accepted

ISO 9001 quality certified

IStructE affiliated

*Terms and conditions apply.

“Wonderful efficient and professional service. Great communication and drawings delivered within timescale. Would highly recommend and will use again.”

Maggie, Homeowner

Projects Since 2012
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We have a 100% success rate in obtaining building regs approval for our Bi-Fold Door Structural Calculations

How it works...


Upload your architectural drawings using the quote form below


We'll email you a quote usually within 1 working day


Accept the quote terms and conditions using the link that we send


We produce your Bi-Fold Door Structural Calculations

Bi-Fold Door Structural Calculations Quote Form

Bi-Fold Door Structural Calculations
Typical Prices

Mid-Terrace Property

£ 395
  • Standard Service
  • Priority Service +50%

End-Terrace Property

£ 395
  • Standard Service
  • Priority Service +50%

Semi-Detached Property

£ 425
  • Standard Service
  • Priority Service +50%

Detached Property

£ 445
  • Standard Service
  • Priority Service +50%