Your key to an energy .

efficient .

For over 15 years, Briary Energy have been helping independent, small and medium developers achieve energy efficient properties, for the right build cost.

We assist businesses in meeting the challenge of producing better, more sustainable buildings  We do this by providing clear advice and cost-effective solutions throughout the design, planning, and construction process.

Briary Energy Services

We can help you save money on your build

Worked with

Local Authorities

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SAP assessor

The Standard Assessment Procedure (SAP) assessment is a procedure introduced by the UK Government designed to ensure that all new buildings, home extensions and building conversions meet Building Regulations and fall in line with key energy efficiency policies.

Our expert SAP assessors will help you calculate how much energy your home, new building or extension is likely to use, the overall level of Co2 emissions it will produce, as well as the thermal insulation of the building materials used.

SBEM is short for Simplified Building Energy Model — a government scheme for deriving energy ratings. The best way to remember it is that SBEM figures form the commercial counterpart of SAP figures.
As part of Approved Document G fo the UK building regulations, new dwellings are required to meet strict standards for water efficiency, hot & cold water supply, and other water systems. Water efficiency calculations look at the different water sources in a building, such as kitchen taps, toilets and washbasins to determine the amount of water is supplied to the building through usage.

When you submit a planning application to your local authority, you will most likely be asked to provide an energy statement. An energy statement will demonstrate that you’re working towards zero-emission objectives.

We’re able to provide excellent guidance and help to produce an energy statement document that will demonstrate to any local authority that you’re building work is in line with Co2 emission targets, energy costs, and lighting efficiency.

An air permeability test is mandatory for every new home to ensure that it meets building airtightness standards laid down by the UK Government in 2002. Our qualified professionals can help you carry out simple air permeability tests to check your building’s air leakage rate, airtightness, and internal air pressure.

Build Stage Services


Ecology Assessment
Acoustic Design Advice
Daylight Calculations (DSM)
London Plan Energy Strategy


SAP Calculations
SBEM Calculations
PSI Calculations
Water Efficiency Calculations
Condensation Risk Analysis


Air Leakage Testing
Acoustic Testing
EPC Certificates

Explore our range of services

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Who we have worked with


how to do sap calculations for new build
Knowledge Bank

What Is The Average Rating For SAP Calculations In The UK?

 SAP calculations in the UK are a necessity for any new residential structure these days. A SAP calculation tells you how much energy it will …

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SAP Calculation Changes
Knowledge Bank

Part L 2021 – SAP 10.2 – Headline changes

The government has now responded to the Future Building Standards consultation, confirming the standards and compliance metrics, adopted as part of the changes to Approved …

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how to do sap calculations for new build
Knowledge Bank

Knowing SAP Calculations And Their Benefits

Energy efficiency has become a hot topic in recent years due in no small part to the increase in popularity of renewable energy. There are …

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