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  • Phone for an air tightness test01634 799115
  • Email Tophouse Assessments07990 556701
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Trusted and Accurate Air Tightness Testing in Croydon

High quality, affordable and accurate SAP calculations and air tightness testing provided across Croydon and London.

While you are likely to find various companies across the industry that offer a 'takeaway' Building Regulation L1a compliance service that focuses on cheap SAP calculations and air leakage testing, they consistently deliver costly and weak solutions that lead to you spending thousands of pounds on extra insulation or solar panels. These additional costs could easily have been avoided with more specialist expertise; which is where we at Tophouse Assessments come in. 

Working across Croydon, London and the South East, we combine fair and competitive prices with our comprehensive expertise and experience to design and craft the most accurate and very best air leakage testing and SAP calculations services for property designers, builders and architects.

We will explore the most effective and reliable ways of ensuring that you meet all current Building Regulations for your new builds, extensions and conversions. So call Croydon's experts in air pressure testing and SAP calculations at Tophouse Assessments today on 01634 799115.

A wide range Of air pressure testing Solutions

Working for architects, builders and property designers, we specialise in the provision of a wide variety of air tightness testing and SAP calculations across Croydon, London and the South East. Our comprehensive range of services includes:

  • SAP calculations for New Building plans to pass Building Regulations Part L1a (UK England and Wales)
  • Air Pressure Testing & Air Tightness Testing
  • SAP calculations for Over Glazed structures and analysis to L1b
  • SAP calculations for Extensions, Material Alterations and and analysis to L1b

For many years, we have been assisting builders, designers and architects during their Croydon building projects, providing them with accurate SAP calculations to help their new commercial and domestic buildings pass Building Regulations Part L1b, as well as highly glazed structures, material alterations and extensions. Our unrivalled expertise and experience also means we are able to offer helpful and impartial advice and guidance on SAP calculations and air pressure testing for passivhaus dwellings across Croydon, London and the South East.  

Specialists in Air Tightness Testing

Also commonly known as air leakage testing or air pressure testing, this proven, effective and high quality service is provided to property designers, architects and builders across London and Croydon to ensure that their newly built commercial or domestic properties comply with current Building Regulations. These include Part L1a for new homes and Part L2a for new offices and other non-residential buildings. Plus, in addition we also provide final and interim tests for EnerPHit and passivhaus conversions.

So if you're based in Croydon, contact us today to discuss your air pressure testing and SAP calculation requirements with one of our experienced and friendly team.