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A – Structure
This part is concerned with the structural stability of buildings. Areas covered include design of foundations, walls, floors and roof components and also in limiting the extent to which parts of the building may collapse if a major catastrophe, like a gas explosion occurs.

Approved Document A - Structural Safety

B – Fire Safety
This part includes requirement for providing early warning of a developing fire, satisfactory escape routes, preventing fire spread both within and to other buildings and providing good access and fire fighting facilities for the Fire Services.

Approved Document B - Fire safety

C – Site Preparation and Resistance to Contaminants and Moisture
This part contains the recommendations of making sure your property remains free from damp penetration, condensation, from any contamination that may be in the ground, and watertight.

Approved Document C - Site Preparation and Resistance to Contaminates and Moisture

D – Toxic Substances.
This part provides guidance on the prevention of toxic substances permeating into the building when inserting insulation into cavity walls.

Approved Document D - Toxic Substances

E – Resistance to the Passage of Sound.
This part includes requirement aimed at reducing sound transference between dwellings, flats, from certain types of rooms and between communal areas and dwellings.

Approved Document E - Resistance to the Passage of Sound

F – Ventilation.
This part provides for adequate levels of ventilation to buildings and prevention of condensation forming in roof voids.

Approved Document F - Ventilation

G – Hygiene.
This part is concerned with providing sanitary conveniences and adequate washing facilities. It also includes requirements associated with unvented hot water storage installations.

Approved Document G - Hygiene

H – Drainage and Waste Disposal.
This part deals with the disposal of sewerage, waste water and storm water drainage together with details for solid waste storage (household refuse).

Approved Document H - Drainage and Waste Disposal

J – Combustion Appliances and Fuel Storage Systems.
This part covers safety requirements when installing either solid fuel, gas or oil heating appliances.

Approved Document J - Combustion Appliance and Fuel Storage Systems

K – Protection from Falling, Collision and Impact.
This part is concerned with staircase design, headroom, handrails, balustrading and guarding of landings, balconies and other raised areas.

Approved Document K - Protection from Falling, Collision and Impact

L – Conservation of Fuel and Power.
This part provides minimum standards of energy efficiency to all parts of the building. This section also provides design criteria for space heating and hot water storage.

Approved Document L - Conservation of Fuel and Power

M – Access to and Use of Buildings.
This part deals with the design of buildings to enable all people to gain access, and be able to use the facilities of the building. It also includes requirements to help people with sight, hearing and mobility impairments use buildings.

Approved Document M - Access to and Use of Buildings

N – Glazing Safety in relation to Impact, Opening and Cleaning.
This area is concerned with providing safety glass in critical locations (glazing you are likely to walk into or fall against).

Approved Document N - Glazing Safety

P – Electrical Safety.
This part applies to electrical installation work in dwellings, common parts to dwellings and associated gardens.

Approved Document P - Electrical Safety

Regulation 7.
Approved Document for Regulation 7 - Material and Workmanship