Listed Members - North Wales & Cheshire

Mark Forrest & Co

Contact Information - Please Mention LeaderQuote
Phone Number: 01492 543 540
Mobile Number: 07836 617 522
Astbury House, Mochdre Business Park,, Mochdre, Colwyn Bay, Conwy, UK LL28 5HB

Welcome to Mark Forrest & Co. A Vaillant trading partner company!

We are proud to be a trading partner company to one of Europes leading boiler manufacturer,which are constantly improving and developing there boilers and products.

Vaillant have given us a 5 year warranty on all our boiler installations as we are a dedicated Vaillant boiler installer.

The reason we have chosen to go with Vaillant boilers as our chosen manufacturer is the superior build quality and reliability of the products , and the excellent back up provided by the Vaillant group. We have attended there training work shops and all our engineers have attended there servicing and repair courses, to keep us up to date.

About us 

Mark Forrest & Company has been established for over 25 years and all engineers have been with Mark for over 20 years and all engineers are Gas Safe registered and our registration number is 19849. We do not use sub contract labour and by doing this we keep our exceptionally high standard of work and are able to constantly monitor our engineers and pride ourselves in being reliable,competent and most importantly competative ! We carry out a large scope of gas work installation, repair and servicing.

  • All our engineers have a uniform and like to look smart and presentable and most importantly polite and proffesional and respectful of our clients homes and properties.
  • We are also a registered company with the Institute of Heating and Plumbing contractors and our registration number is 029479A, we are always looking for continued proffesional development !
  • We are registered Solar heating installers and our registration number is 94089.
  • We are Uponour underfloor heating specialists and carry out domestic and commercial under floor installations.
  • We have carried out hundreds of new build installations and pride our selves on our adaptability to suit all installations!



We pride ourselves on responding to your every Emergency and need as soon as possible from a dripping tap to a burst water pipe in the loft, your drains blocked, your central heating broken down! ( This wouldn`t happen with a top quality Vaillant Gas Boiler !!! ) A leaking sink unit, toilet or tank overflowing, blocked shower or bath waste, faulty shower wether electric or low pressure, hi pressure, we do the lot.

Vaillant Boiler servicing and installations, full Vaillant Heating installation, additional radiators and Thermostatic Danfoss radiator valves, inproving system controls and adding zones and room thermostats, Solar heating, underfloor heating, electric underfloor heating. We specialise in solving system faults and will upgrade and get your heating system running to its most efficient. When we service we will give you a certificate and efficiency print out on your boiler.



We operate Monday to Friday 0800 - 1730 hours and remain contactable 24/7 for emergency call outs!

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