BUILDERS UK
Find a local home extension builder

List of useful web site Resources for house and home extension building work in the UK

G to H

Category	Organisation name	Telephone	Website
Garages	Garage Equipment Association Limited	01327 312616	www.gea.co.uk
Gas	Gas Safe Register	0800 408 5500	www.gassaferegister.co.uk
Conservatories	Glass and Glazing Federation - Conservatory Association	0870 042 4255	www.ggf.org.uk/conservatory.aspx
Glass	Glass and Glazing Federation (GGF)	0870 042 4255	www.ggf.co.uk
Windows	Glass and Glazing Federation (GGF)	0870 042 4255	www.ggf.co.uk
Sustainable Construction	GreenSpec - National Green Specification		www.greenspec.co.uk
Damp proof Courses	Guarantee Protection Insurance Limited	01292 268020	www.gptprotection.co.uk
Hardware	Guild of Architectural Ironmongers (GAI)	020 7790 3431	www.gai.org.uk
Gypsum	Gypsum Products Development Association (GPDA)	020 7935 8532	www.gpda.com
Partitions	Gypsum Products Development Association (GPDA)	020 7935 8532	www.gpda.com

Category	Organisation name	Telephone	Website
Health and Safety	Health and Safety Executive (HSE)	0845 345 0055	www.hse.gov.uk
Pumps	Heat Pump Association (HPA)	0118 940 3416	www.heatpumps.org.uk
Ventilation	Heating and Ventilating Contractors Association (HVCA)	020 7313 4900	www.hvca.org.uk
Heating	Heating and Ventilating Contractors Association (HVCA)	020 7313 4900	www.hvca.org.uk
Historic / Listed Buildings	Heritage Information.org.uk		www.heritageinformation.org.uk
Heating	HETAS Ltd - Heating Equipment Testing and Approval Scheme	0845 634 5626	www.hetas.co.uk
Heating	HEVAC - Heating, Ventilating and Air Conditioning Manufacturers Association	0118 940 3416	www.feta.co.uk/hevac
Ventilation	HEVAC - Heating, Ventilating and Air Conditioning Manufacturers Association	0118 940 3416	www.feta.co.uk/hevac
Air Conditioning	HEVAC- Heating, Ventilating and Air Conditioning Manufacturers Association	0118 940 3416	www.feta.co.uk/hevac
Gas	HSE Gas Safety Advice Line	0800 300 363	www.hse.gov.uk/gas