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Water Efficiency Calculations

What are Water Efficiency Calculations?

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Part G of the UK building regulations states that all new dwellings (both new build and newly
converted) must achieve a projected water consumption of no more than 110 or 125 litres per
person, per day (depending on your location).

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The water consumption of a dwelling is calculated by a number of factors, from the flow rates of
taps or showers, through to the capacity and consumption of baths, dishwashers and washing
machines.

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Why use REDFANsolutions?

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With clear and concise reports, quick turnaround (with a fast-track service
available for even more urgent projects) why would you not?

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Other reasons include:


- Our team of qualified assessors go the extra mile to make the process as easy as possible
- Design, guidance & advice throughout your entire construction phase
- Guaranteed remedial advice in the event of failure
- Simple explanations helping you cut through the jargon
- Full reports provided, including a Notice of Water Efficiency (as required for Part G)

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When is a Water Efficiency Calculation Required?

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Ideally these calculations should be carried out before you have purchased your proposed fittings so
that your assessor can confirm whether these will meet Building Regulations compliance.

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Don’t worry if you are already past this stage however, as there are other minor upgrades and
attachments that can allow you to still meet the necessary rates.

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For a free, no commitment quote (or even just for professional advice) please feel free to contact us
and we will be happy to help.

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