About J&J Crump & Son
We are an award-winning, family-run company established in 1987, and are proud to be one of the longest-established insulation and heating companies working in the energy efficiency industry.
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A family business
Our head office is in Killamarsh, North East Derbyshire – ten miles from the centre of Sheffield – and the team is headed up by Managing Director, Stephen Crump who takes a very hands-on approach to running the company.
We are proud of our reputation for delivering good quality, reliable and competitive services and for building long-term successful relationships with our customers, local authorities, social housing providers and funding partners alike.
We have branches in Sheffield, Newton Abbott in Devon, The Isle of Wight and Tutbury which allows us to deliver our award-winning Warm-Up area-based schemes around the country.
1a Nethermoor Lane
Tel: 0800 783 3127
or 0114 247 1098
4-5 Hedley Units
Tel: 0800 917 6963
or 01626 362740
Isle of Wight
Tel: 01983 215 681
Unit 2, Plot 6
26 Castlepoint Park
Tel: 0800 7833 127
A little about us
Working with partners – The Energy Company Obligation (ECO)
The company has grown and evolved over the past three decades and we are now one of the biggest ECO installing companies in the UK.
By partnering directly with Utility companies to access funding we can provide a complete service to individual customers to local authorities, housing associations and private landlords.
We also work with specialist companies and with energy agencies to continue to offer a quality service.
We are committed to supporting the communities that we work in and wherever we can, we employ local people to deliver these projects ensuring we do our bit to make communities sustainable.
We provide a diverse range of energy efficiency services to our customers. Let us help you to live in a cosy home.
J&J Crump & Son Ltd is very proud of the recognition it has received from industry bodies and the many awards it has picked up at both the Energy Efficiency and Retrofit Awards.
Fleet of vehicles
We have invested heavily in our fleet of specialist vehicles that are all designed for specific purposes.
Our heating engineers all have vans that are fitted and equipped with specialist equipment and tools needed to ensure they can deliver a professional service first time, every time.
Our cavity wall insulation vans are specially designed to enable efficient delivery of the insulation into your walls and we use different vehicles with bespoke equipment to install bead insulation and mineral fibre insulation.
We also have a fleet of vans that are bespoke to our loft insulation crews.
The right van – and the right crew – for the right job.
Experienced professional team
Our team of experts have many decades of experience between them. Our insulation and heating installers all have the appropriate training and professional qualifications.
Our business is based on continual recommendation – our customers recommending us to friends, neighbours and relatives.
As a company, we are committed to providing an excellent service and delivering products and services that precisely match our customers’ requirements.
The process of continuous improvement is firmly embedded within the Company and we achieve this through regular staff training and skills development to ensure our staff are always up-to-date with the latest developments.
Our aim is to do better than good practice: we want to provide the best practice.
Here at J&J Crump & Son Ltd we use only the very best products that are best suited to your particular property and location.
We like to offer a choice wherever possible, depending on your needs and your budget. For example, we install mineral fibre cavity wall insulation materials as well as bead. Our boilers and other heating products are well-known and respected national brands, such as Ideal and Worcester-Bosch.
We will let you know what products we recommend, but the final choice is yours.
We're industry accredited professionals
We’re members of the leading industry boards.
Why customers choose us
We’re incredibly proud of the work we deliver and we’re always excited to hear what our customers have to say about our services.