Spray Foam Insulation Assessments

Clear, unbiased spray foam insulation assessments from qualified surveyors, helping homeowners, buyers and landlords make confident decisions.

  • Property Care Association (PCA) Certified Surveyors (CSTDB & CSDV)

  • Straightforward reports with evidence, photos and practical guidance on what to do next

  • Survey reports delivered within 1 working day after inspection 

  • Recommendations and costings included in all reports

Spray Foam Insulation Assessments 

Spray foam insulation is becoming more common in UK homes — but it’s often misunderstood. Many people take action without properly assessing its condition or impact, which can lead to costly issues and complications when selling or refinancing a property.

Open-cell spray foam

Open-cell spray foam is a softer, lighter material that expands significantly when applied. It allows some moisture vapour to pass through and is typically used in areas such as lofts and internal walls.

Closed-cell spray foam

Closed-cell spray foam, on the other hand, is much denser and more rigid. It provides a higher level of insulation and is more resistant to moisture, often acting as a vapour barrier. This type is generally used where greater structural strength and insulation performance are required.

Roof Insulation 

Spray foam is often applied to the underside of roofs, which is where it is most commonly encountered during property surveys. This application can involve either open-cell or closed-cell foam and is frequently a concern for mortgage lenders.

Sub-floor Insulation 

Sub-floor spray foam insulation is often installed from beneath the property using specialist equipment, sometimes with robotic applicators. It is sprayed onto the underside of floor timbers and can restrict ventilation and trap moisture if not properly designed, making assessment of timber condition and airflow important.

Experienced & Impartial

Cutting-Edge Diagnostic Tools

Clear, Actionable Reports

PCA Certified Expertise

What's Included in the Report?

Clear, evidence-based findings from a thorough, non-invasive inspection using professional equipment

  • Building details and inspection summary

  • Moisture readings and thermal images (where needed)

  • Photos and evidence of damp, decay or defects

  • Clear recommendations with priority ratings

  • Estimated repair costs (where relevant)

  • Step-by-step action plan

How It Works... 

Our process is simple, fast, and thorough, ensuring the best results for your property 

Step 1 - Contact Us To Book
We begin with a complimentary consultation to discuss your needs, preferences, and property details, ensuring we understand the work required.

Step 2 - On-Site Inspection

Our qualified surveyor visits your property to carry out a thorough, professional assessment.

Step 3 - Comprehensive Report

Within 1 working day, you’ll receive your survey report, complete with photos, readings and recommendations. Allowing you to make informed decisions.

Step 4 - Peace Of Mind

We assess the issues and provide you with a clear, independent report containing recommendations to protect your property

Other Types of Surveys

  • Pre Purchase Damp & Timber 

  • Condensation & Mould 

  • Damp & Timber Surveys

  • Spray Foam Insulation 

Frequently Asked Questions

What areas do you cover for inspections?

We serve homeowners and property professionals across London, Essex, Kent, Surrey, Hertfordshire and beyond.

How long does a typical inspection take?
A typical inspection can take anywhere from 1-3 hours, depending on the size and complexity of the property.

What are the benefits of having a damp survey?

A damp survey provides clear, expert insight into the condition of a property, helping you understand not just if there’s a problem, but exactly what it is, why it’s happening, and how to fix it.

One of the main benefits is early detection. Damp issues often start subtly but can lead to serious structural damage, timber decay, and costly repairs if left untreated. A professional survey identifies these issues early, saving you money and stress in the long run.

You also get accurate, unbiased advice. Rather than guesswork or relying on contractors who may have a vested interest in selling treatments, a proper survey gives you a clear diagnosis and practical, actionable recommendations tailored to the property.

Should I get a survey carried out before I purchase a property?

Yes, it’s highly recommended.

A damp survey can uncover hidden issues that standard surveys often miss, helping you avoid costly surprises after purchase. It also gives you the chance to renegotiate the price or plan for any necessary repairs.

Most importantly, it gives you confidence that you know exactly what you’re buying.

"I would highly recommend this company. The staff are very pleasant and friendly very efficient Very satisfied with the service would highly recommend"

Safiye Ahmet

"Our original survey recommended getting a damp specialist to assess areas of a property we are buying so we contacted Perry who was really approachable and helpful and gave us a detailed damp and timber survey with clear actions to take where needed. I highly recommend."

Jamie Latham

"I would highly recommend ProCheck Damp & Timber. Perry went above and beyond. Checked everything to give a full report & some extra advice to keep my 1930’s property lasting maybe another 100 old years. Also speed of service and time of arrival spot on."

Jukey 71

Book Your Survey Today!

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Fast, expert advice - we respond within 1 hour

“I was extremely satisfied with the thorough inspection provided by ProCheck Damp & Timber. Their expertise and professionalism gave me peace of mind about the condition of my (soon-to-be) new home.”

Sally Ellis, Surrey

More About Us

ProCheck Damp & Timber is a specialist surveying company focusing on damp, timber, mould, and ventilation assessments for residential properties. Founded by Perry Spang, a qualified surveyor with over 10 years of industry experience, our aim is simple: to provide honest, professional advice you can trust.

We are fully certified through the PCA with both CSTDB (Certified Surveyor in Timber & Dampness in Buildings) and CSDV (Certified Specialist in Dwelling Ventilation) qualifications. Our assessments are always impartial and evidence-based, giving you clarity on the true condition of your property. Where remedial works are required, we can guide you towards the right solutions while ensuring the diagnosis remains unbiased.

Based in Hertfordshire, we cover London and the surrounding counties, working with homeowners, buyers, landlords, letting agents, and property professionals who need accurate diagnosis and clear reporting.

If you’re looking for peace of mind, reliable answers, and expert guidance — you’re in safe hands with ProCheck Damp & Timber.