What We Do

We can offer complete solutions to most of your small to medium construction needs; from conception, through inception to completion.

Your project will be carried out in one continuous operation. We take enormous pride in keeping your site clean and tidy. Floors protected, areas sheeted off and all rubbish removed on a daily basis.

Washroom Systems / Toilet Refurbishments

John Main Ltd is an approved installer of Armitage Venesta washroom systems.

Internal Works

All types of internal works to washrooms, staff rooms, offices, classrooms, corridors, receptions etc…

External Works

Aids & Adaptations

We can provide internal and external solutions for the less-abled


We have carried out many office and classroom refurbishments; incorporating many of the disciplines mentioned on the 'Internal Works' and 'Specialist Trades' links.


We have built many small to medium extensions at local schools, carrying out all necessary internal and external works to complete the build.

Electrical Works

We engage fully qualified NICEIC electricians to carry out any electrical works including testing, fault finding, alterations and new installations

Specialist Trades

Asbestos Removal - We use a specialist, licensed asbestos company to carry out testing and removal. All members of our team have asbestos awareness training.

We can engage and manage specialist, qualified trades to carry out works for you on standalone projects or as part of a larger project. All sub-contractors are required to complete a competence assessment form before they are engaged by our company.

Plumbing Works - We engage contractors that are fully registered with CIPHE (The Chartered institute of plumbing and heating engineers)

Gas Works - We engage Gas Safe Certified technicians

Air Conditioning - We engage contractors that all hold skill cards accredited to the Heating Ventilating Contractors (HVCA).

Scaffolding - We engage contractors that hold NASC accreditation.