Offices Nationwide

Air Testing & Leakage
Air Pressure Testing is not just for new-builds, it can be used to find leakage areas in existing buildings, improve the air tightness and improve/stop drafts..more

Air Testing & Leakage
We have a checklist you can download for Air Leakage Testing. If you follow our air tightness checklist, this will improve your likelihood to achieve a pass!
Part E
Resistance of the Passage of Sound

Dyfed - Part G - 029 2193 0147
The office that covers this area is: Cardiff
The towns & cities that are covered within this county are:
Aberaeron, Aberystwyth, Ammanford, Burry Port, Cardigan, Carmarthen, Fishguard, Lampeter, Llanelli, Llansteffan, Milford Haven, Narberth, Newcastle Emlyn, Pembroke, Pembroke Dock, Saundersfoot, Tenby, Tregaron,
Phone Number: 029 2193 0147 Email: dyfed@e2consultants.co.uk
Water Efficiency Calculations in Dyfed.
The Requirement G2 and Regulation 36
If you are building a new dwelling or forming a dwelling by material change of use in Dyfed you are required by building regulations Part G to design the appliances to use no more than 125 Litres of water per person per day.
This part of the building regulations states "Reasonable provision must be made by the installation of fitting and fixed appliances that use water efficiently for the prevention of undue consumption of water". This methodology is in support of The Code for Sustainable Homes, May 2009 onwards and the Building Regulations 2000.
The Council in Dyfed can set their own targets for water consumption.
If you're doing these calculations as part of a Code for Sustainable Homes assessment, you may be required to use no less than 80 litres per person, per day.
- Code for Sustainable Homes (Level 1/2) 120 litres/person/day
- Code for Sustainable Homes (Level 3/4) 105 litres/person/day
- Code for Sustainable Homes (Level 5/6) 80 litres/person/day
We can provide same or next day turn around on all Part G, all you need to do is provide us with all of the information for the fittings. We even provide you with an easy to understand checklist to help you know what information is required!
If you would like a quote for Part G / Part G call one of our regional offices and speak to one of our experts on 029 2193 0147 for a formal quotation or email Dyfed@e2consultants.co.uk.
Our other services include:
Part G can also be known as:
Part G Water Calculation, Water Usage Calculation, Part G Water Calc, Water Calculations,


Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970