Main Changes

MAIN CHANGES MADE BY THE 2013 AMENDMENTS

The main changes, which apply only to England*, are to:
  • Guidance on radon protective
  • References to British Standards design standards.
  • Contaminated land guidance, including removal of Annex A.
  • Materials and workmanship
There have been no changes to Part A of Schedule 1 to the Building Regulations.

MAIN CHANGES MADE BY THE 2010 AMENDMENTS

The 2010 amendments reflect the Building Regulations 2010 and Building (Approved Inspectors etc) Regulations 2010. The changes mainly reflect regulation number changes as a result of re-ordering. There have been no amendments to the substantive requirements in Part C of Schedule 1 to the Building Regulations.

MAIN CHANGES IN THE 2004 EDITION

This edition replaced the 1992 (with 2000 amendments) edition. The main changes were:
  • Site investigation recommended as the method for determining how much unsuitable material should be
  • Requirement C1(2) applied to material change of use as set out in Regulations 5 and 6.
  • Remedial measures for dealing with land affected by contaminants expanded to include biological, chemical and physical treatment
  • The area of land around the building subject to  measures to deal with contaminants.
  • Guidance on protection from radon expanded to include buildings other than  dwellings.
  • Guidance included on sub-soil drainage and the risk of transportation of water-born
  • New guidance on condensation risks to floors, walls and roofs.
  • Guidance provided on the use of moisture resistance boards for flooring.
  • Updated guidance on assessing the suitability of cavity walls for filling.
  • Former requirement F2; Condensation in roofs, transferred to Part C.

  • 1 Distribution of shrinkable clays and principal sulphate:sulphide bearing strata in England and Wales 1 Distribution of shrinkable clays and principal sulphate:sulphide bearing strata in England and Wales
  • 2 Example of a conceptual model for a site showing source–pathway– receptor 2 Example of a conceptual model for a site showing source–pathway– receptor
  • 3 Subsoil drain cut during excavation 3 Subsoil drain cut during excavation
  • 4 Ground supported floor - construction- see par 4.7 4 Ground supported floor - construction- see par 4.7
  • 5 Suspended timber floor - construction - see par 4.14 a (i) Diagram 5 Suspended timber floor - construction - see par 4.14 a (i)
  • 6 Suspended floor - preventing water collection-see par4.14a Diagram 6 Suspended floor - preventing water collection-see par4.14a
  • 7 Typical floors exposed from below Diagram 7 Typical floors exposed from below
  • 8 Damp proof courses- see par 5.5-b Diagram 8 Damp proof courses- see par 5.5 (b)
  • 9 Protecting inner leaf - see par 5.5c Diagram 9 Protecting inner leaf - see par 5.5c
  • 10 Protection of wall head from precipitation - see par 5.9(c) Diagram 10 Protection of wall head from precipitation - see par 5.9(c)
  • 11 Insulated external walls examples -see paragraphs 5.10, 5.13 and 5.17 Diagram 11 Insulated external walls examples -see paragraphs 5.10, 5.13 and 5.17
  • 12 UK zones for exposure to driving rain 12 UK zones for exposure to driving rain
  • 13 Window reveals for use in areas of severe or very severe exposure to driving rain - see paragraph 5.32 Diagram 13 Window reveals for use in areas of severe or very severe exposure to driving rain - see paragraph 5.32
  • 14 Accessible threshold for use in exposed areas- see par 5.33 Diagram 14 Accessible threshold for use in exposed areas- see par 5.33
  • Table 1 Volume change potential for some common clays Table 1 Volume change potential for some common clays
  • Table 2 Examples of sites likely to contain contaminants Table 2 Examples of sites likely to contain contaminants
  • Table 3 Examples of possible contaminants Table 3 Examples of possible contaminants
  • Table 4 Maximum recommended exposure zones for insulated masonry walls Table 4 Maximum recommended exposure zones for insulated masonry walls