Barlings KWA · William & Kerry Simpson

SAP, SBEM & building compliance,
made straightforward.

Clear calculations, practical advice and air tightness testing, from drawings to completion. Work directly with William and Kerry.

The Wild House at Doddington Hall, a Barlings KWA project
The Wild House, Doddington Hall · A+ commercial EPC. View the project →

UK-wide SAP, SBEM and overheating assessments from drawings. Air testing across Lincolnshire and the East Midlands.

Direct assessor supportSpeak to the people doing your work. Assessor qualifications →
Clear, fixed quotationsKnow the scope and fee before we start.
30+ years in buildingPractical experience behind the advice.

Real projects. Practical support.

From single homes to commercial builds.

A few examples of the buildings and project teams we have supported.

View recent projects →
Barlings KWA van and air-testing equipment outside commercial warehouse units

Commercial · Air testing & SBEM

The right work at the right stage.

How commercial air testing and energy assessments fit into a building’s progress towards completion.

Read the project update →
Commercial units at Barnack Estates’ Eagle Business Park

Commercial · Barnack Estates

Energy assessment and testing.

SBEM, EPC and air tightness testing support for commercial projects at Eagle Business Park.

Commercial assessment services →

Find the right support

Not sure which service you need?

Tell us what you are building and its current stage. We’ll help identify the calculations, reports and tests relevant to your project.

A personal service

“They have always provided a prompt and professional service with expert practical guidance on improving building performance, where required.”

Making Plans Architecture · Client testimonial

Work directly with our family business, with clear advice from design through to completion.

Meet William and Kerry →

Your project. A clear quotation.

Let’s get your project moving.

Tell us what you are planning, where it is and when you need the work. William or Kerry will confirm the information needed and provide a fixed quotation.

SAP, SBEM and overheating assessments are normally completed within one week of receiving complete information. Need it sooner? Ask about a shorter turnaround; availability is confirmed with your quotation.

01522 797344
We’ll reply to this address.
A postcode or nearest town is enough to get started.
A few lines are enough: what you’re building, the project stage and any deadline. We’ll confirm which drawings and details we need.

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We’ll confirm the scope and fee before work starts. Read our privacy policy.