Welcome to MARK FORREST & Company , 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 6/7/8 year warranty on all our boiler installations as we are a dedicated Vaillant boiler installer.Pro range 6 years, Pure range 7 years and Plus range 8 years :

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 30 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 professional 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 professional 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.


Mark Forrest & Company offer a complete Plumbing and Heating, Gas fitting, service package.

We are able to look after all your Bathroom and Shower room installations from the supply of your new showers,bathrooms,etc. We also carry out the Tiling and any small building works in relation to the new bath/shower rooms and have like minded trades to complete your new works with the same pride as ourselves.

We carry out Domestic and commercial heating installations and alterations and install, move radiators,install controls and energy saving devices. We carry out Vaillant boiler installations and all boiler replacements, full central heating, No Job To Small !

We also install and fit Magna Clean system filters and run all our new installations througha Magna Cleanse RapidFlush Filterwhich won the Corgi Awards 2010 plumbing manufacturer of the year.

We are Gas Safe registered 19849 and carry out the installation of Vaillant Gas Boilers and Gas Fires, cookers, water heaters,wall heaters and Range Cookers, Natural and LPG.

We install Kitchen sinks,waste disposal units,water filters,dish washers,washing machines, Ball valves, tap washers, power showers, just about anything to do with Plumbing,Heating and Gas fitting !