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Technical Guidance

This is more detailed guidance on particular elements of the Building Regulations and the Approved Documents.

Loft & Garage Conversions - Acoustic & Thermal Insulation Guidance (189 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Vapour Permeable Underlays (186 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

U-Values of Elements (260 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Designing New Dwellings (171 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Designing Domestic Extensions (134 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Change of Use to create a Dwelling (183 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Notching and Drilling Joists (177 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Use of Downlighters in Dwellings (159 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Access Statements (142 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

Checklist for the Commissioning of Heat Producing Appliances (213 KB This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.)

L1B Guidance Notes (199 KB) This document is a PDF file and will open in a new window. You will need Adobe Reader to view it.

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