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Building Performance

Building performance.

Airtightness testing, thermal imaging, and in-situ U-values across Glasgow, Edinburgh, Scotland, and UK-wide. Certified for Building Regs, PHPP, and retrofit funding applications.

Request a Quote → Try our U-value calculator

Services

Services.

01

Airtightness Testing

Blower door testing to BS EN ISO 9972 for Building Regulations compliance, pre-retrofit baselines, and construction QA.

BS EN ISO 9972
02

Thermal Imaging

Handheld and drone-mounted thermography to identify insulation defects, thermal bridging, moisture, and heat-loss paths.

BS EN 13187
03

In-situ U-Values

Heat flux measurement for real-world U-values of existing walls, roofs, and floors. Essential for evidence-based retrofit.

ISO 9869-1
04

Passivhaus & PHPP Support

Airtightness testing scoped to Passivhaus certification and data collection for PHPP models.

Passivhaus

Related Tool

Need a U-value before the survey?

We also built U-Value.com — an AI-powered U-value calculator that reads your construction drawings and returns BR 443 / BS EN ISO 6946 compliant results instantly. Built for architects, architectural technologists, and energy assessors.

Open U-Value.com

Use Cases

When you need the numbers.

Building Regs compliance

Air permeability certificates for building warrant and Part L sign-off, with retest included if the first result misses.

Retrofit baseline & verification

Pre-works testing to target the spend, post-works testing to prove it worked. Aligned with PAS 2035 retrofit assessments.

Passivhaus & EnerPHit certification

n50 testing to certification protocol, plus the envelope data your PHPP model needs.

Damp & condensation investigation

Thermal imaging and airtightness diagnostics to separate condensation, thermal bridging, and water ingress — before money goes on the wrong fix.

Heat pump sizing evidence

Measured U-values and air leakage instead of assumed values — so heat loss calculations and emitter sizing reflect the actual building.

Housing stock assessment

Estate-wide thermal surveys and sampled testing to prioritise retrofit investment across a portfolio.

FAQ

Common questions.

Do I need a blower door test for Building Regs? +
In Scotland and England, a dwelling-level air permeability test is required for most new builds and some major refurbishments. We supply the test certificate needed for building warrant completion.
Can you do pre- and post-retrofit testing? +
Yes — this is the most useful application of airtightness testing. A baseline test identifies improvement opportunities; a follow-up test verifies the retrofit actually worked.
Why combine thermal imaging with airtightness? +
An airtightness test tells you how much air is leaking; thermal imaging tells you where. Running them together is the fastest route to a targeted retrofit spec.

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Point cloud surveys from terrestrial, mobile, and UAV LiDAR

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CAD floor plans, elevations and sections of existing buildings

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Scan-to-BIM

LiDAR point clouds converted to Revit models at LOD 200–400

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CAA-authorised aerial photogrammetry and thermography

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Film, TV & Games

Set, location, and asset scanning for production pipelines

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Need a performance test for your project?

Tell us what you're testing and why. We'll scope the right method and send a fixed-price quote.

Request a Quote → About Kanna