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Code for Sustainable Homes

The Code for Sustainable Homes (CfSH) is used to assess a dwelling or development for sustainability. Sadler Energy are able to offer advice at both the Design Stage Assessment (DSA) and Post Construction Review (PCR) to help you achieve your development goals.

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Part L1A SAP Assessments

SAP Assessments, form part of the latest requirements of Building Regulations in England and Wales for new build domestic dwellings including conversions and extensions. At Sadler Energy and Environmental Services our SAP Consultants are accredited to produce Design Stage and As Built SAP Assessments, as well as Energy Performance Certificates (EPCs), with fully qualified Domestic Energy Assessors (DEAs).

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Energy Performance Certificates

As approved and registered members of the Elmhurst Energy Government approved Accreditation Scheme our On Construction Domestic Energy Assessors are able to produce Energy Performance Certificates for all new build domestic dwellings, this includes conversions of existing dwellings.

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Domestic Air Pressure Testing

At Sadler Energy and Environmental Services we offer Air Leakage Test Certification to L1A standard, helping you meet the latest Building Regulations of England and Wales. Working with you to achieve your desired pass rates, our Air Testing Engineers are friendly and efficient.

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Why choose Sadler Energy for your next construction project?

On Time

We know you have tight deadlines and last minute hand overs and we do our best to work to them.

On Budget

Our competitive pricing structure means we wont stretch your budget.


We offer all services under one roof, saving you from managing multiple sub-contractors.

Great Ideas

Our staff continue to stay abreast of latest products and will guide you to the most efficient approach.


Switching to us couldn’t be easier, and we are sure you will find the way we work a breath of fresh air.

Happy Clients

We strive for happy clients, don't just take our word for it, read our great client reviews.

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The SAP Rating Scale

The Governments Standard Assessment Procedure (SAP) for assessing the energy performance of dwellings. The indicators of energy performance are energy consumption per unit floor area, an energy costing rating (the SAP Rating), and Environmental Impact rating based on CO2 emissions (The EI rating) and a Dwelling CO2 Emission rate (DER).

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About us

Sadler Energy and Environmental Services Ltd is an independent Consultancy serving Southern England, providing Sustainable Development Advice & Certification Services.

Our aim is to give you impartial and pragmatic advice on all environmental issue regarding Domestic Dwellings, which will enable you to improve performance within the particular constraints of your project.

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Our clients included both national and local developers
Our clients included both national and local developers
Our clients included both national and local developers
Our clients included both national and local developers

© 2006 - 2016 Sadler Energy and Environmental Services Ltd.
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SAPs • Code For Sustainable Homes • EPCs • Air Testing
Covering Southern England: Hampshire, Dorset, Sussex, Wiltshire, Berkshire, Surrey and London.

Sadler Energy are UKAS Accredited Sadler Energy are ISO 9001 Registered Sadler Energy are ISO 14001 Registered

Sadler Energy and Environmental Services Ltd is a limited company registered in England.
Registered number: 06548294. Registered office: 1 Manor Court, Barnes Wallis Road, Segensworth, Fareham, PO15 5TH.