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Loft Conversion Project Guide

Produced by the Construction Products Association.
Complies with 2010 revisions to the Building Regulations.

Approved Document A

STRUCTURE

A1 Loading
A2 Ground movement
A3 Disproportionate collapse

Approved Document B

FIRE SAFETY

VOLUME 1 – DWELLINGHOUSES

B1 - Means of warning and escape
B2 - Internal fire spread (linings)
B3 - Internal fire spread (structure)
B4 - External fire spread
B5 - Access and facilities for the fire service

Approved Document C

SITE PREPARATION AND RESISTANCE TO CONTAMINANTS AND MOISTURE

C1- Site preparation and resistance to contaminants
C2 - Resistance to moisture

Approved Document D

TOXIC SUBSTANCES

D1 Cavity insulation