Welcome to SPI the home of specialist property investigations.

We provide:

Cavity Wall Tie Surveys

CCTV Drainage Surveys

Trial Hole Investigation Services

Why use SPI?

We pride ourselves on giving you an impartial opinion. SPI don’t do repairs so unlike many of our competitors we’re not looking to recommend repairs, just to provide clear, concise, impartial reports to help you.

SPI has been developed by engineering and building professionals, many of our customers are building professionals that trust SPI to conduct a thorough survey and provide a professional & impartial opinion.