Nine design-stage services covering every regulated aspect of your new build, extension, or conversion — from SAP to water usage. Early engagement, clear advice, no surprises at completion.
Every multi-plot assessment includes a free specification review. We tell you where the savings are before you commit to a build spec.
Building regulation compliance is a design problem, not just a sign-off problem. The choices made during the design phase — insulation specification, glazing ratios, heating system, orientation — determine your energy performance, your compliance route, and ultimately your build cost.
Most assessors engage late, when the design is locked and your options are limited. We prefer to engage early, when a single change to an insulation spec or thermal bridging detail can save thousands per plot without touching the design intent or the EPC rating.
That's what our Value Engineered Compliance approach means in practice: compliance calculations that feed back into the design, not just certify it.
Every assessment your development needs, from planning application through to Building Control sign-off — delivered by an accredited team with a single point of contact.
Each Build Envelope design service maps directly to one or more Approved Documents — the technical guidance documents that set out how to comply with Building Regulations.
We engage at design stage to ensure your project meets Part L, Part O, and local planning requirements — before procurement locks in your choices. Our assessors understand regional building control expectations.
Design stage compliance for residential and commercial developments across Birmingham, Solihull, Coventry, Wolverhampton, and the wider West Midlands. SAP, SBEM, overheating, energy statements, and U-value calculations.
Planning and building regulations compliance across Bristol, Bath, South Gloucestershire, and the surrounding South West. We navigate local authority sustainability policies alongside Part L and Part O requirements.
Based in Worcester — design stage services across Malvern, Droitwich, Evesham, Bromsgrove, and Redditch. Our home county with the fastest turnaround and deepest local planning knowledge.
Design compliance for new homes, extensions, and commercial projects across Cheltenham, Gloucester, Stroud, Tewkesbury, and the Cotswolds. Early engagement to flag risks before they become costly.
Part L and Part O compliance for residential and commercial projects across Oxford, Banbury, Bicester, Witney, and the wider Oxfordshire area. Full design stage calculation services.
As government-accredited assessors, our design stage calculations and reports are valid across the whole of England and Wales. We regularly work on projects outside our core regions.
Looking for design stage compliance near you? Whether you're planning a housing scheme in Birmingham, a commercial development in Bristol, or an extension in the Cotswolds — our accredited team delivers SAP, SBEM, overheating, and energy compliance from a single point of contact. Call 01386 365145 or email us to get started.
We'll review your specification at no cost and show you exactly where the savings are — before you commit to anything.
Tell us about your project — development type, number of plots, and which services you need — and we'll come back with a quote and programme, usually within one working day.
We'll review your details and come back to you within one working day.