GSL Contracting is a trading name of Grant Store Ltd and we have over 50 years of combined experience within the Mechanical & Electrical contracting industry.

We offer a professional and comprehensive range of M&E services across all aspects of residential and commercial projects. Our client base ranges from small private entities through to large scale housing projects. We have public liability insurance up to £10 million and are CHAS and Constructionline accredited.

M&E Services

New Builds

GSL Contracting bring a wealth of experience and contract management to the new build sector. Our operatives have worked on many new build developments and our contract management team can boast nearly 40 years of contracting experience.

All members of our contracting division carry ECS/CSCS cards and are fully up to date and compliant with the relevant industry standards and Health & Safety requirements.

Our services include design, installation and commissioning of all Domestic Mechanical & Electrical systems including domestic ventilation systems and MVHR.

We provide our clients with multi-unit, multi- plot M & E solutions as well as a unique bespoke design and build service for clients wanting to build single residences. 

Domestic Installation

Domestic Electrical Installation

Here at GSL we offer a full range of domestic electrical services. All work is fully guaranteed and covered by the NICEIC domestic installer Part ‘P’ Competent Persons scheme.

Our client base includes property development entrepreneurs supplying demand to both the home ownership and rented market. We can offer a bespoke design and build service to meet the requirements of quality, conformity and affordability. Our service also includes remote monitoring and control of gas, water and electricity to all rented property.

Types of work covered...

We offer a ‘one stop option’ that includes electrical installation, patch plastering and re-decoration.

We can phase a property re-wire to work with your budget and personal property maintenance plan or simply require the parts that require upgrading.

EICR (Electrical Installations Condition Repairs) electrical safety reports. All of our test engineers are City & Guilds approved in inspection and testing.

We offer an insurance backed warranty for all installation work. Do not risk safety for a DIY short term gain. Some of our services include the following:

Showers | Extra sockets | Extra lights | Cooker circuits

Smoke detectors | Garden and garage lighting and power

PIR controls and LED lighting | New build design and install

Commercial Electrical Installation

GSL is a fully approved member of the NICEIC and as such we can offer a wide scope of services to all types of commercial premises. Whether you have rental property in need of upgrade or repair, or new installations to facilitate the growth of your business, we can offer a full design and build service to meet your needs.

Our current client base includes well-established building main contractors, with whom we have played a vital part in facilitating the completion of a varied and specialised project portfolio.

HMO’s- Houses of Multiple Occupation




Small Industrial Units

Plumbing & Heating

We have over 25 years of industry knowledge in all aspects of domestic plumbing and heating including full design and installation. All our plumbers and heating engineers are trained to the highest standards and quality is our highest priority. 

GSL Contracting are Gas Safe registered and Vaillant and Worcester Bosch approved installers. Our services include boiler installations, power flushing, heating control upgrades and all aspects of service and repair. 

We are also Oftec approved to install oil boilers to households that are off-gas. All of our engineers are CRB checked for peace of mind.