Scores based on 70 reviews

Reliability & timekeeping

Invoice history based on 38 reviews.

Invoice History
Charged as per quote / estimate92.11%
Above quote / estimate: kept informed7.89%
Appointments reported as missed (6 months) 0
Average score 9.71
70 reviews
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  • VAT registered
  • Checkatrade standard signed

A-SPEC is an independently owned Carpentry & Construction company providing Extensions, Refurbishments & Alterations, Carpentry and Loft Conversions in Surrey and South London. Our highly experienced team take great pride in providing our customers the best possible finish and customer journey.

Services we provide:

A-Spec carry out so many different services for residential, commercial, and business owners it's hard to list them all, but we have collated a few of the most popular:



  • New Builds
  • Property Extensions
  • Single & Double Story Extensions
  • Garage Conversions
  • Conservatories
  • Refurbishments & Alterations
  • Office Fit Outs
  • Painting & Decorating
  • Plastering & Flooring
  • Partition Wall Installation
  • Kitchen Fit Outs
  • Bathroom refurbishments



  • Full Roof Replacement Conversion
  • Attic Truss Loft Conversion
  • Roof Loft Conversion
  • Hip to Gable Loft Conversion
  • Dormer Loft Conversion
  • Velux Loft Conversion
  • Flat Roof Conversion



  • Hand-cut Pitched & Truss Roofs
  • Oak/Pine/MDF Bespoke Staircases
  • UPVC/Pine/Oak Pre-Finished Sash or Casement Windows
  • Pine/Oak/Red Cedar Cladding
  • Aluminium Bi-Folding Doors
  • Timber/UPVC Soffit and Fascia Replacement
  • Howdens/Magnet/Kitchens Supplied & Installed
  • Oak/Pine Timber Framed Houses
  • Solid Oak/Laminate/Chipboard Flooring
  • Oak/Pine Custom Made Porches
  • Door Security Locks Replacement
  • 1st & 2nd Fix Carpentry Contract Carpentry


Should you require an experienced Carpentry & Construction company based in Guildford serving Surrey and South London and you’re looking for something specific please get in contact. We really do pride ourselves on our friendly, high quality and competitive service, a service which has helped us build our business to where it is from our positive customer referrals.


Please feel free to get in touch be either using our contact page or by phoning us we'll be more than happy to help.


We’re looking forward to hearing from you soon.

Based in

Wonersh, Guildford, Surrey

Works in

South West London, Surrey, Hampshire, and Berkshire