Ensuring comfort, compliance and efficiency for landlord and homeowner properties

Why Airtightness Matters

For landlords, tenants, homeowners and industry professionals, achieving strong airtightness and effective ventilation is more than a technical obligation. It is a practical way to enhance comfort, reduce running costs and protect the building over time. Our tests reveal unseen gaps in the building fabric, allowing you to understand where performance is being lost and giving you a clear route to improvement.

  • Retain heat more effectively and reduce energy demand
  • Enhance tenant comfort and property performance
  • Stay ahead of regulatory requirements for rental properties
  • Safeguard against damp, mould and long term maintenance issues
  • Boost market appeal and property valuation

For Landlords

As a landlord, managing multiple properties involves balancing tenant satisfaction, running costs and compliance. Our airtightness and ventilation assessments deliver clear benefits:

  • Improved energy efficiency Well-sealed properties hold onto heat better, so they need less energy to stay warm or cool. That means lower, more predictable energy bills, a real benefit if you cover these costs in the rent.
  • Help towards EPC and legal compliance Minimising air leakage supports better energy performance, helping your property achieve a higher Energy Performance Certificate (EPC) rating and stay compliant with minimum energy efficiency standards for rental accommodation.
  • Increased property value and income potential An energy efficient, “eco friendly” home attracts more interest. That means you may be able to advertise higher rent and improve long term valuation.
  • Enhanced tenant comfort and retention Fewer draughts, more consistent indoor temperatures and fewer maintenance problems lead to happier tenants, who stay longer and treat your property better.
  • Reduced maintenance & risk Air leakage often causes moisture and mould issues, damage to insulation and other hidden defects. Our tests help you fix the root cause before repair costs escalate.

For Homeowners

If you own your home our tests provide data and direction so you can optimise performance and comfort.

  • Lower energy bills Air leakage lets warm air escape in winter and hot air in during summer. A good airtightness result means less energy is required for heating and cooling.
  • Better comfort and living conditions Fewer draughts and temperature fluctuations give you a more stable, pleasant internal environment.
  • Increased value Homes with strong energy performance credentials are more attractive to buyers and our testing helps you identify and address vulnerabilities before sale.
  • Environmental benefits Less energy use = lower carbon footprint. It’s a simple step towards sustainable living.
  • Prevent damp, mould and structural damage Leaks can allow moisture into walls and ceilings, leading to mould, rot and degraded insulation. Our testing reveals weak spots and helps you act proactively.
  • Pre-renovation insight If you’re planning extensions or upgrades, airtightness testing helps you understand where your property is currently losing heat. It gives a clear starting point, so you can target improvements more effectively and make sure the work delivers real energy savings.
  • Post renovation reassurance If you’ve recently had extensions or upgrades, this test confirms whether everything has been sealed correctly, giving you confidence in the workmanship and performance.
  • Deeper insights about your home The test provides measurable results and highlights where insulation, ventilation and fabric upgrades will really pay off.

For Tenants

Even if you don’t own the property, understanding airtightness and ventilation matters, as it affects your comfort, bills and wellbeing.

  • Lower energy bills A property that leaks air is harder to heat or cool, airtight homes save you money.
  • Better indoor comfort Fewer draughts, chilling in one corner and overheating in another.
  • Healthier environment Leaks often introduce moisture, causing mould or poor air quality — an airtight, well ventilated home mitigates this.
  • Greener living Living in an energy efficient home helps you reduce your carbon footprint.
  • Leverage with your landlord If your accommodation is draughty or expensive to heat, testing can pinpoint the problem — giving you a stronger case for improvements.
  • Better overall experience More comfortable spaces, fewer repairs and quieter homes (as airtightness often reduces external noise intrusion).

For Industry Professionals

Whether you’re building new homes, carrying out extensions, or delivering retrofit upgrades, airtightness testing is a crucial quality check. It confirms that your build or improvement work meets performance targets, helping you demonstrate compliance, avoid remedial costs, and deliver a better end result.

We have supported: Developers & Contractors , Architects & Designers and Retrofit Coordinators & Installers

  • Proof of build quality Validate the sealing and fabric integrity of your construction.
  • Compliance with regulations Support SAP calculations and Part L requirements.
  • Confidence for clients Provide clear evidence of airtightness and ventilation performance.
  • Fewer call-backs Catch issues early, before handover or inspection.
  • Added value in retrofit projects Measure pre- and post-works results to show impact.
  • Providing early-stage insight Helps to inform detailing and material choices.
  • Improving building outcomes In line with low-carbon and EnerPHit principles.

Whether you’re delivering fabric-first upgrades or new housing stock, we help ensure the final result is efficient, comfortable, and compliant.

Our Service Offerings

We provide comprehensive testing and reporting including:

  • Airtightness testing (pressurisation/depressurisation)
  • Ventilation assessment (extractors and natural ventilation pathways)
  • Clear reporting of results with actionable recommendations
  • Support for EPC improvement strategies
  • Post works verification to ensure remedial works have been effective
  • Flexible scheduling tailored for landlords, homeowner clients, or tenant related enquiries

Why Choose Progress Consulting?

With years of experience in property surveying and domestic retrofit and compliance upgrades, we bring:

  • Practically‑oriented reporting that non‑technical clients understand
  • Rapid turnaround and clear, actionable next‑steps
  • A single point of contact who can guide you through testing, remediation and verification
  • Proven results: helping landlords improve EPC ratings and homeowners optimise performance
  • A commitment to quality, accuracy and helping you realise the full value of your asset

Get Started

Ensure you’re not leaving heat, comfort and value behind. Whether you’re a landlord, homeowner or tenant, our airtightness and ventilation testing service can deliver measurable benefits.

Contact us today to discuss your property, arrange testing and take the next step to a better performing home.

Enquire by email: energy@progressconsulting.org.uk