Castle and Pryor

The Castle & Pryor Group are specialists in Diamond Drilling, Concrete Sawing, Controlled Demolition, and Pull Test Fixing with over 25 years of experience in the UK Construction and Civil Engineering sectors.

We also offer floor preparation, specialist plant hire service and dedicated London regional drilling through our associate companies UK Floor Preparation, Diamond Hire Sales and City Drilling.

We deliver a full range of specialist professional services that meet stringent project requirements and we are able to visit sites or offer a quotation as part of our free consultation package.

In addition to Main Stream Construction we have an Airport Division that has provided services in both London’s Heathrow and Gatwick airports, where we have completed many projects which have required finesse and precision, both being attributes of the whole Castle & Pryor Group ethos.

Our Health and Safety Standards

 We have Constructionline membership registration no: 141943.
 We are a BAA authorised Signatory and can provide affiliated operatives for all BAA sites.
 We are ISO 9001 (2008) certified and are members of the Drilling & Sawing Association (DSA).
 We are registered on the CHAS Health & Safety Database Scheme.
 Castle & Pryor operatives are 100% compliant to the CSCS Blue Skilled card scheme with all training to NVQ Level 2 standard. Operatives are certified in PASMA, asbestos, manual handling and LUCAS scheme, as required by Transport for London.
 All operatives are monitored and managed by a Site Supervisor and Project Manager. In addition all operatives use low impact machinery for reduced HAVS and carry the appropriate monitoring equipment ensuring a competent and successful workforce.
 We can provide a nationwide 24/7-support service as required to ensure completion of projects.

A summary of the types of works that we carry out is as follows: -

 Diamond core drilling – single holes (dry or with water control) 6mm > 1500mm.
 Floor Saw cutting up to 500mm thick reinforced concrete.
 Diamond stitch drilling.
 Chasing in walls or floors for conduits/channels etc.
 Silent removal of concrete/masonry using drill/burst/crunching techniques.
 Drilling steel beams, rsj’s etc…
 Wire Saw cutting to any shape or depth of reinforced concrete or steel tanks etc…
 Wall saw cutting, also known as Track sawing, up to 750mm thick reinforced concrete.
 Fume free – 3 Phase Remote Controlled demolition machines - 500kg > 4500kg tracked crushing/breaking machines for removal/demolition of reinforced concrete or brickwork structures.
 Wrecking/dismantling of refractory kilns / furnaces (C&P Refractory Division).
 Specialist plant hire (Via Diamond Hire Sales ltd) a partner of C&P.
 Selected Strip out / Structural alterations.
 Provide negative air pressure fans / blower - system for dust / fumes extraction.
 Core Test /Compression Testing.
 Pull Testing Services for fixings & anchors using Hydra jaws equipment providing full certification on completion.
 Airfield Ground Lighting Installation services for airport environments.

A summary of the type of works that we carry out: -

 Floor planing / scabbling to reduce concrete levels.
 Concrete floor grinding to remove latex, adhesives and contaminates from the surface.
 Shot blasting to remove coatings and prepare surface prior to installing new coverings.
 Floor strippers walk behind or ride on to remove vinyl / ceramic tiles or sheet lino.
 Anti-slip solutions by shot blasting the surface to provide more resistance when trafficked.


  • Bursting
  • Crushing
  • Drilling
  • Floor Repairs
  • Floor Sawing
  • Floor Scabbling
  • Hand Sawing
  • Resin Anchor Fixings & Pull Testing
  • Robotic Demolition
  • Track Sawing
  • Wire Sawing