Our Range of Services

Sustainable building services for ARCHITECTS, SELF-BUILD and DEVELOPERS/BUILDERS. Low Carbon Box are accredited assessors and consultants for energy assessments, Passivhaus, air tightness testing, Planning energy statements and more.

Air Tightness Testing - Self Build House

Air Tightness Testing learn More

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Over Glazed Extensions learn More

Planning Energy Statements learn More

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Extract Fan Testing learn More

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Blog

Photographic Evidence for Part L1...

Photographic Evidence for Part L1 2021 We hope this is a helpful guide for photographic evidence now required for...

Blog

Part L1B of the Building...

Part L1B of the Building Regulations – Extensions Under the new Part L1B 2021 for Extensions, Alterations & Conversions,...

Blog

Energy Assessor & Sustainable Building...

Energy Assessor & Sustainable Building Consultant – Job Vacancy Job Description Low Carbon Box are a Sustainable Buildings Consultants. We do...

Blog,Case Studies,Projects

Energy Statement for South Oxfordshire...

From the 1st of April 2021, planning applications to South Oxfordshire District Council must be supported by a Planning...

Blog

Alternatives to aircrete blocks

So you are going to start building your new house or property. The energy assessor has approved the design....

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Blog

Thermal Bridge Details

When carrying out a house design then to make it much easier for a SAP Calculation, it is really...