The UK's premium building estimating service

Estimators Online offer affordable and detailed labour and material estimating services to anyone involved in domestic building. We convert building drawings using in-house developed software and industry-leading paperless quantification systems. Specialising in domestic extensions, conversions, refurbishments and new build dwellings, estimates can be customised online ready for submission, using the industry’s first interactive functions. Every estimate includes access to an interactive Program of Works with unique project manager tools!


Services guaranteed to improve client offerings. Deliver schemes fully costed. Fees easily absorbed, extensions from £125.00.

  • 7000+ Architects users
  • Impartial assessment of costs
  • Unrivaled technical expertise
  • Free interactive program of works
  • Costs absorbed into fees
  • Fast Quantified Scheduling
  • Local knowledge nationwide


Are you pricing jobs at unsociable hours?
Need more time on-site?
Need more time to manage your business? 

  • Created by a Builder
  • Over 40,000+ Trade users
  • 400,000 completed jobs
  • Free interactive program of works
  • Extensions from £125.00
  • Online materials management
  • Fully independent service


The most crucial planning element of any Self-Build development has to be affordability. We are the UK's No.1 in estimating building costs.

  • 75,000+ completed Self-Builds
  • Easily compare builder quotes
  • Assess affordability
  • Free interactive program of works
  • Created in build-stage
  • Detailed materials summary
  • Self-Build knowledge nationwide