John N Dunn Group Ltd. Plumbing, heating, electrical and renewable energies services.

What we do

Throughout the North and Scotland our trained workforce deliver our specialist services. So whether you’re looking for bespoke, tailored answers to challenges in a specific discipline or a comprehensive ‘one-stop-shop‘ solution that meets all of your needs, we’re here to give you what you want. What’s more we can offer the full package from Design through to Installation, Servicing and Maintenance.


With over 100 years in the business we are a leading provider of plumbing services in the home and commercial premises. We can provide full installations of bathrooms and hot water systems through to emergency repair and maintenance of leaking taps and pipes.


We have installed heating in over 100,000 properties. Our heating services range from complex plant rooms, new domestic installations and the upgrade of existing systems, we’ve got the expertise at hand. All our gas work is carried out by fully qualified Gas Safe Registered Engineers.


We are a NIC EIC Registered Company. Our work encompasses new installations on housing and commercial developments, rewires in older properties, lighting systems, telecoms/entertainment systems, lightning protection and street lighting. We also provide certification services for electrical systems, periodic and PAT testing.


We have a dedicated mechanical department who have a vast experience in larger scale commercial projects. Our services range from Commercial Heating Systems through to specialist Medical Gasses/Fume Cupboard Services.


We offer a full range of refurbishment services for local authorities, housing associations and other RSL's including one-day heating system replacements, Kitchen and Bathroom replacements, full and partial re-wires and leadwork refurbishments.


Our dedicated maintenance division are ready to repair and service your properties. Our team can be contacted 24/7 on 0800 009 3344 and will be responsive to any problems, requests and questions. Our Engineers are fully qualified in the technical aspects of their work and in addition are trained how to behave in occupied properties. For domestic service and maintenance solutions please visit JND Response - Installation, Repair and Service

Green Solutions

Throughout the UK we proactively promote and install technology across the renewable energy spectrum, including Solar Thermal systems, Photovoltaics, Heat Pumps using air and ground source, and Heat Recovery Systems. Add in our insulation, water saving systems and EPC services and we can provide a full low carbon solution to you our customer. For our group renewable technologies please visit Sol2o - Green Energy Solutions


Security Services

We provide a full compliment of Security Services beginning with Risk Assessment and including the supply and installation of Electronic Security - Burglar Alarms, CCTV Systems, and Access Control Systems – and Physical