Developers - Services

Technical Guide November 2010 Criteria

  • 5 available credits
  • Credits worth 1.50% points each
  • Mandatory Element: Yes

Aim: To reduce the consumption of potable water in the home from all sources, including borehole well water, through the use of water efficient fittings, appliances and water recycling systems.

Assessment Criteria:

Full WAT1 2010 Issue

 

Technical Guide May 2009 Criteria

  • 5 available credits
  • Credits worth 1.50% points each
  • Mandatory Element: Yes

Aim: To reduce the consumption of potable water in the home from all sources, including borehole well water, through the use of water efficient fittings, appliances and water recycling systems.

Credits are awarded based on a whole house assessment of the efficiency of internal water fittings against a benchmark figure. The assessment is measured in litres per person per day using the Water Efficiency Calculator for New Dwellings. The table below gives details of the required performance levels:

Full WAT1 2009 Issue

 

References for WAT1

BS EN 12056-3 – Gravity drainage inside buildings – Roof drainage, layout and calculations (2000)

BS8515:2009 - Rainwater harvesting systems. Code of practice

BSRIA Technical Note TN 7/2001

Communities and Local Government

CIBSE TM13, 2002, Minimising the risk of Legionnaire’s disease

CIRIA Publication C539, 2001: Rainwater and Greywater Use in Buildings – Best Practice Guidance

EN200:1992 Sanitary tapware. General technical specifications for single taps and mixer taps (nominal size 1/2) PN 10. Minimum flow pressure of 0.05 MPa (0.5 bar)

Environment Agency, Conserving Water in Buildings 4: Rainwater re-use

HSE, 1999, Approved Code of Practice and Guidance L8

The Met Office (including figures for UK rainfall)

Increasing the Value of Domestic Wateruse Data for Demand Management Summary Report P6805, CP187, March 2005


Additional information:

Office of the Deputy Prime Minister, Housing Quality Indicators Form (version 2)

EN997: Compliance with water regulations for WC’s

Environment Agency: Assessing The Cost Of Compliance With The Code For Sustainable Homes WRc Ref: UC7231

HMSO, 1999, Water Supply, (Water Fittings) Regulations, 1999. Statutory Instruments

Market Transformation Programme, BN DW BATHS: Bath design and efficiency – Briefing Note relating to Policy Scenario Objectives in Policy Brief

Office of the Deputy Prime Minister, Buildings Regulations Approved Document H – Drainage and waste disposal, (2002)

Water Industry regulations, England and Wales No. 1148

Water Industry regulations, England and Wales No. 1506

BRE IP 1/04, ‘Drainage design for buildings with reduced water use’

Environment Agency National Water Demand Management Centre. Conserving Water in Buildings (2001)

Market Transformation Programme, BNWAT02: Domestic baths specification and stock model information

Water Regulations Advisory Scheme. Information and Guidance Note 09-02-04. Reclaimed Water Systems. Information about Installing, Modifying or Maintaining Reclaimed Water Systems (1999)

 
 

Meet any level of The Code's WAT1 with one kit...

  • White Goods
  • Bathroom Suites
  • Manufacturers
  • Rainwater Harvesting
  • Kitchen & Utility Taps

...a WAT Pack

What is a WAT Pack?

A WAT Pack is offered exclusively by thecodestore.co.uk to help you meet The Code's WAT1 requirements.

We create a bespoke specification containing everything you require to meet all levels of the Code for Sustainable Homes ‘water usage per person per day’ WAT requirements.

This can include;

  • Bathroom Suites
  • Kitchen & Utility Room Taps
  • Dishwasher
  • Washing Machine
  • Rainwater Harvesting
  • Greywater Recycling

Key Features

  • Consultancy and product specifications provided
  • Tailored packages to meet the requirements of your scheme and budget
  • Packages can meet any Code for Sustainable Homes level
  • Provide entry level and premium goods
  • Large selection of well-known brands
  • Saving you time searching for compliant goods
  • Peace of mind that you will comply with the Code for Sustainable Homes
  • Experience in working within Housing Association Requirements

Where can I get a WAT Pack?

To get a quote on a WAT Pack for your development, please login and download the application form below.

We normally have a quote back to you within 24 working hours.

 

How much does a WAT Pack Cost?

Due to every development being different, it is difficult for us to provide an estimate without the development details.

We can provide you a total cost of all the products required to meet your code level, which will be included with the WAT Pack.

 

WAT Packs & Building Regulation Part G

All WAT Packs are fully compliant with Part G of the building regulations. To meet Part G;

  • Part G2 - Water consumption must be >125 litres per person per day (lpppd)
  • Part G3 - Hot water into a bath must not exceed 48°C

 

WAT Pack & ENE5 White Goods Add On

If a Washing Machine & Dishwasher are being included in your WAT Pack, then why not also include your other white goods for ENE5 credits. This can include;

  • Fridge
  • Freezer
  • Tumble Dryers
  • Washer Dryers
Speak to us about our latest offers and product ranges of white goods.

 
 

Save yourself time and money today by getting in touch and letting us help you.

Please login or register at the top of the page to download the application form. Its quick, easy & free.

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