Petra Forma Ltd

Specialist Fenestration Surveying & Consultancy

About

Petra Forma is a specialist technical consultancy that bridges the gap between architectural vision and site reality. We provide expert surveying for high-end residential projects, focusing on the most complex and expensive elements of a build—specifically bespoke windows, doors, and large format glazing.What we offer:Precision Measuring & Certainty We provide the "millimeter-perfect" measurements needed for bespoke manufacturing. We take the guesswork out of the process so that high-value products arrive on site ready to be installed without adjustment.The "Pre-Order" Audit
Most delays in high-end builds happen because the holes in the walls don’t match the drawings. we audit site conditions against the plans before any orders are placed. This identifies discrepancies early, preventing the "it doesn't fit" nightmare that costs builders and developers thousands in delays and re-works.Level & Threshold Consultancy
Getting a seamless, flush finish between inside and out is one of the hardest things to get right. We advise on floor levels, drainage, and structural head-heights early in the project to ensure the final result looks exactly like the architect's vision.Technical Gatekeeping
We act as an independent set of eyes on the project. We verify that site work is ready for specialist subcontractors, ensuring everyone is working to the same benchmarks and datums. If it isn't right, we catch it before it becomes a problem.The Value Proposition
We protect the developer’s profit margin by acting as a technical insurance policy. By ensuring total accuracy at the survey stage, we guarantee a "right-first-time" installation for the project's most high-risk architectural features.

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