BLB Surveying key contact

Christopher Tunbridge

BSc (Hons) MRICS
Managing Director BLB Surveyors

Lynn Sebbage

Financial Director

Paul Rawlinson

Quantity Surveying Director

Jon Siley

BSc (Hons) MRICS MBeng
Building Surveying Director

Grant Crossley

Project Management Director

Derek Raven

Senior M&E Engineer




Jon manages our Building Surveying department as well as delivering his own building surveying projects across a wide range of sectors.

Jon also supports the practice with its strive to be a centre of excellence for young surveyors. BLB Surveyors is an RICS approved training practice and Jon manages and works closely with our graduate trainees to mentor them through their APC.


Jon is a skilled building surveyor with 12 years post qualification experience. Having the added advantage of being both a qualified professional and a qualified tradesman, he is able to bring this high level of practical knowledge to his building surveying career.

Jon Siley image

Jon Siley

01273 301 888

BLB House
15 -16 Hunns Mere Way
Brighton BN2 6AH