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G – Sanitation, hot water safety and water efficiency

The Approved DocumentsApproved documents (England) are detailed publications which come under the English Building Regulations. They are based on tried and tested methods of building and if you follow them you are assured of complying with the Regs. The equivalents for Scotland are the Technical Handbook, for Wales: the Approved documents (Wales), and for N.I. […]

Domestic hot water

Traditionally, domestic hot water has simply been a choice between a combi boiler or a vented system (with the odd Point of Use water heater thrown in).

With water saving design, and zero carbonbit of a slippery fish. It tends to mean that a building uses no carbon (oil, coal, etc) to heat it (meaning […]

Space heating

see also Emitters (radiators etc.) Gas boilers Heating controls

It is reckoned that in the UK, housing is responsible for about 25% of greenhouse gas emissions. Poor heating can render parts of dwellings virtually unusable, partly through discomfort due to cold and drafts and partly through the damage caused to contents through condensation, dampness, mould […]

Retrofit

‘Under the Sun’, a Victorian terrace house in Birmingham is an outstanding example of bringing a fairly typical old building up to PassivhausSee more on the Passivhaus standard. The PassivHaus Institute has pioneered a standard for low energy buildings. It includes very low energy usage and ways of achieving this. The word is derived […]

Bathroom

Water

The cold water normally comes into the house in blue MDPEMedium Density PolyEthelene. (the type of plastic used in water supply pipes etc.) plastic pipe and there is a stop tap either below the kitchen sink or in the basement/garage etc. The pipework then continues in 15mm. copper or push fit plastic and serves […]

Kitchen / utility

Services Water

Consider using water saving taps and appliances. See the Waterwise web site and the page Water Conservation

Both hot and cold water normally reach the kitchen and utility areas via 15mm copper or push-fit plastic pipework. The cold water should be off a rising main (i.e. directly from the mains rather than being […]

Energy Harvesting

There are several methods of harvesting energy for a house but non of them are as important as providing excellent levels of insulation, air tightnessA measure of how leaky a building is to air. In other words, how draughty it might be. There are now standard fan pressure tests to check how air tight […]