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01923 266336

Pentwyn Builders aim to deliver a quality, professional service at the right price. If you are looking for a reliable builder to extend, undertake refurbishment in your home or to build commercial premises contact us today



We turn up when we say we will.


We pride ourselves on the standard of our workmanship.


You can rely on us. We provide detailed quotations.


bulletpng New Builds

  • Manage & build
  • Architectural services
  • High construction standards 
  • Managed until completion

bulletpng Renovation

  • Office conversions
  • Office refits
  • Air-conditioning
  • Dilapidation works

bulletpng Home Extension

  • Heavy steel box frame 
  • Garden room
  • Conservatories
  • Steel work support
  • Bespoke extension solutions

bulletpng Open Plan Living

  • Room and area division
  • Flooring variations
  • The use of lighting
  • Creative use of limited space

Building and refurbishment work carried out across Hertfordshire and surrounding counties:


Watford, Bushey, Kings Langley, Chipperfield, Sarratt, St Albans, Rickmansworth, Chorleywood, London.