We are a major supplier and contactor for the following services:


  • Rewiring and electrical work
  • General building refurbishment
  • Gas & electrical heating installation
  • Concierge and security systems
  • IT and infrastructure
  • CCTV monitoring systems
  • Lighting - emergency, security and flood lighting


Being centrally located in Paisley we are able to extend our services to cover most of the central belt of Scotland including Glasgow, Edinburgh, Ayr and Dundee.

Rewiring & Electrical

Building Refurbishment

As properties age the need to rewire and upgrade grows. The deterioration and failing standards of older installations, coupled to the increasing need to connect additional appliances, dictate that in many cases a review of the properties electrical circuitry be conducted.


The prevention of injury and fire, are greatly reduced by upgrading an elderly installation. Points which should be considered are:


  • The age of the wiring
  • Earthing of power outlets
  • To replace a fuse box with a modern cosumer unit incorporating circuit breakers
  • Unprotected cabling
  • Consumer requirements
  • Building alterations and extensions
  • Fire, smoke and gas alarms
  • Heating needs and adequacy
  • Value of the property

Security Systems

A dedicated team of technicians within our organisation are on call to address the security needs of our clients ranging through commercial and domestic requirements.


We have completed numerous security installations which include the following:


  • Intruder alarm systems
  • CCTV and IP cameras
  • Door entry systems and recording
  • Fire and smoke detection
  • Security gates

Solar & Renewables

The continued need to save our environment, coupled to the forever rising cost of gas and electricity, demand that we must endeavour to procure a more natural and cost effective methods of heat and power.


Our newly created 'Green Energy' division are commencing installations in the following domains:


  • Solar panels
  • Wood fuelled heating
  • Ground source heat pumps
  • Wind turbines

By providing a comprehensive building refurbishment service we have won major contracts with local autorities, housing associations and councils. Much of our work is repeat business from existing clients demonstrating our success in delivering on-time, on-budget projects.


As main contractors we provide a full range of trades and services from electricians, joiners, plasterers, carpet fitters and so on, putting together and managing the right skills and teams for each job.

Central Heating

G D Chalmers Ltd., are Scotland's leading partner for the supply and installation of "Dimplex Quantum Heating Systems".


Renovating or extending a property requires close consideration as to the type and efficiency of the heating system to install. At G D Chalmers we have a wealth of knowledge and experience which will assist you in obtaining and installing the most cost effective need to match your requirements.


Once again new technology and fuel efficiency prevails which indicates that the cost of replacement systems can be fully recovered within the life expectancy of the system.


We continue to supply, install and maintain the following heating systems:


  • Gas
  • Electric
  • Solar
  • Oil

Information Technology

For over 15 years our IT division has been providing 'Total Solution' services to many of our clients. These services include the supply, installation and commissioning of all the requisite cabling and cable management housing required within todays commercial environment.


To further compliment this service we are also authorised suppliers of a large number of brands of hardware and software, providing installation and ongoing, long term support.


From design to installation we are able to prescribe, supply, install and maintain most types of lighting.


  • Commercial
  • Industrial
  • Security
  • Landscape
  • Domestic

Our security division manage our team of lighting technicians.

Landlord Services

With new Government legislation, the requirements for landlords, in relation to electrical safety and associated systems are being dramatically increased. We at G.D. Chalmers, offer landlords the expertise to meet all requirements and give landlords complete peace of mind with smoke alarm, heat detector and carbon monoxide detector installationsWIRELESS system for HMO (House of Multiple Occupancy) e.g. Student accommodation.

Whether it a state of the art wireless interlink system or a simpler hard wired solution. G.D. Chalmers Ltd have the expertise and commitment to provide a first class service.

We also offer many other electrical services, PAT testing (Portable Appliance Testing), Electrical installation testing and Electrical Condition reports.

We at G.D. Chalmers aim to keep all landlords legal and compliant with all current regulations and can offer maintenance and service contracts also for complete peace of mind.

Paragon Housing Association Tenants?

Looking to schedule your electrical upgrade and condition report to a time that suits you. Click here to arrange an appointment with a dedicated Upgrade Customer Service Consultant at GD Chalmers.

Qualified & Accredited Professionals

GD Chalmers are professional and fully accredited tradesman.
Below are just some of our accreditations.

BS OHSAS 18001 [UK]
ISO 9001 [UK]
ISO 14001-1