Paragraph 1 Interpretation

In this Schedule—

• “combined ventilator system” means a unit comprising an inlet fan ventilator system and a permanent vent type ‘A’;

• “combustion appliance” means a combustion appliance whose purpose is to provide heating for the whole or part of a dwelling or other building used for residential purposes, or to provide heat for cooking;

• “double-glazed window” means a purpose-built window which is glazed with panels comprising 2 sheets of glass which are separated by a gap permanently sealed from the air, with the edges of any opening lights of the window being well-sealed by compressible resilient strip or by other equally effective means;

• “double window” means a window consisting of two independently fixed panes of glass as described in paragraph 6;

• “flued-combustion appliance” means a combustion appliance, other than an open fire, designed to be connected to an open flue system, its combustion air being drawn from the room in which it is installed;

• “H” means the total output rating in kilowatts of flued-combustion appliances present in the room in question;

• “inlet fan ventilator” means a ventilator which has a fan to boost the air flow through it as specified in paragraph 8;

• “kitchen/diner” means a room of which the floor area is greater than 9.3 square metres (or 7.4 square metres for a dwelling with a designed occupancy of 3 people or fewer) and—

  1. (a)

     there is no separately identifiable dining room; and

  2. (b)

     the main or only living room is less than 18.6 square metres (or 14.8 square metres for a dwelling with a designed occupancy of 3 people or fewer);

• “open fire” means a combustion appliance, whether in use or not, with a permanent front opening which distributes its heat to the room in which it is situated, either by radiation alone or by radiation and convection, and includes both solid fuel appliances and flame-effect gas-fired appliances;

• “permanent vent type ‘A’” means a permanent ventilator as described in paragraph 9;

• “qualifying door” means an external door opening directly into an eligible room which—

  1. (a)

     except in relation to insulation work carried out pursuant to regulation 6(1) or 8, is in that part of the facade in respect of which the relevant noise level satisfies the requirements of regulation 4(2);

  2. (b)

     in relation to work carried out pursuant to regulation 6(1) is in a position which, in the opinion of the responsible authority, is physically comparable with that of a qualifying door or qualifying window in another eligible building;

  3. (c)

     in relation to insulation work carried out pursuant to regulation 8, is or will be, in the opinion of the responsible authority, subject to noise caused in the manner and at a level described in regulation 8(1);

• “qualifying window” means a window in an eligible room which—

  1. (a)

     except in relation to insulation work carried out pursuant to regulation 6(1) or 8, is in that part of the facade in respect of which the relevant noise level satisfies the requirements of regulation 4(2);

  2. (b)

     in relation to work carried out pursuant to regulation 6(1) is in a position which, in the opinion of the responsible authority, is physically comparable with that of a qualifying door or qualifying window in another eligible building;

  3. (c)

     in relation to insulation work carried out pursuant to regulation 8, is or will be, in the opinion of the responsible authority, subject to noise caused in the manner and at a level described in regulation 8(1);

• “room-sealed appliance” means a combustion appliance which, when in operation, has the combustion air inlet and the combustion products outlet isolated from the room in which the appliance is fitted.