Why Choose TargetCO2 for Air Tightness Testing in Devon, Cornwall & Somerset

Choosing the right air tightness testing company in Devon is an important decision for builders, self-builders and property professionals.

If you’re planning a new build, extension or conversion in Devon, Cornwall or Somerset, air tightness testing is a mandatory step for Building Control and Part L compliance. Choosing the right air testing provider can save time, avoid failed tests and keep your project moving.

TargetCO2 provides professional air tightness testing across the South West, supporting builders, self-builders, architects and developers with clear pricing, fast turnaround and compliance-ready reporting.

TargetCO2 is a local South West provider, not a national call-centre operation. This gives clients direct access to the tester, flexible booking, and an understanding of how local Building Control departments operate.

We regularly carry out air tightness testing in Devon, Cornwall and Somerset, including rural and coastal locations where access and scheduling matter.

Air tightness testing with TargetCO2 starts from £200 + VAT, with new build houses typically around £450 + VAT, depending on size, layout and travel.

We support:

Multi-unit sites and repeat clients benefit from discounted rates, helping keep compliance costs predictable.

Failed air tests cause delays and extra cost. That’s why we provide practical preparation guidance before testing, highlighting common leakage points and simple steps that improve performance.

This approach increases the chance of a first-time pass, reducing the need for re-tests and helping projects reach completion on schedule.

TargetCO2 uses Pulse air testing where appropriate to assess air permeability and identify leakage pathways with minimal disruption.

Pulse testing is particularly useful for:

All reports are produced in a format accepted by Building Control and SAP assessors.

We understand that programme pressure is real. Our aim is to issue:

If remedial work is needed, we explain the findings clearly and advise on the quickest route to compliance.

We provide air tightness testing across Devon, Cornwall and Somerset.

If your site is just outside these areas, please contact us to discuss your requirements.

Air tightness testing is about more than achieving a number — it’s about delivering defensible compliance evidence.

TargetCO2 focuses on:

This is why many builders and consultants return to us for repeat projects.

If you need air tightness testing in Devon, Cornwall or Somerset, TargetCO2 offers a professional, local service with transparent pricing and fast turnaround.

Call 0800 999 1251
Or request a fixed quote via our Air Testing page.