What stage of construction are you at?
Choose a stage to continue
Select your construction stage above and we’ll route you to the right next step.

Find the right service for your project

From instant DIY estimates to a fully documented duct layout, we’ve got an option to match your project stage.

Free
Instant

Instant Quote

Best for Planning / Foundations. Get a quick, realistic estimate and a kit that builds automatically.

  • Basic minimum airflow requirements (Approved Document F style).
  • Automatically builds a kit based on the information you provide.
  • Provides a fairly accurate material list for most typical homes.
  • Send the materials list to yourself (and keep it for later).
Get Instant Quote
Free
3–5 days

Free Estimate / Design Service

Best for Roof / 1st fix. Our team checks everything and produces room-by-room figures.

  • Design team reviews / measures up your home from your information and drawings.
  • Accurate room-by-room airflow rates.
  • Valve requirements per room.
  • Layout guide: valve locations, unit location, and external intake/exhaust runs.
  • Revisions: first 2 revisions included; revision 3+ is £50 each.
You’re on this service
£200
10+ days

Full Design Guide

The most detailed option — ideal if you want exact ducting runs and drop locations.

  • Everything included in the Layout Guide.
  • Accurate ducting runs and routing guidance.
  • Shows drop locations clearly (so installers know exactly where each run goes).
  • Designed for smoother installs and fewer on-site decisions.
Request Full Design Guide