Why choose us

Because we are the best at what we do, weather you are looking for a new boiler or a large extension to a private home or a public service building, we are what you are looking for. Our company has a professional approach and professional managers that are competent ex tradespersons actually running the department involved which in turn gives you peace of mind that we don’t take advice from others…we actually know what we are doing. Not only from a managerial point of view but from the operatives on the ground actually providing the service. All our trades are handpicked and audited to ensure that you, the customer /client will not be left with issues of competence to deliver the service you request.

The D&N Admin team are second to none. From your first appointment of enquiry to the follow up call after completion you will be kept fully in the loop to the stages of your service.

“Thanks for taking the time to read my Statement” Mark Denton Managing Director.

Featured Articles
Miss M. BarnsleyMiss M. Barnsley
Would just like to say a big fat thankyou to the lads (Craig Hickin, Heating team)you sent to my house on the 9th of Nov to do my heating system. We are always quick to jump on the phone about damages, faults and complaints but nobody wants to praise the ...
Alison BodillAlison BodillSheffield City Council
Thank you for a job well done the TARA (Tenants and Residents Associations)were very impressed with the lights and the service. - Alison Bodill (Sheffield City Council).
Mrs M. from SheffieldMrs M. from Sheffield
…regarding the heating upgrade which was carried out last week at my home; the workmen have done a brilliant job, the installers (Craig) were tidy in their work and I’m really pleased with what has been done.
Elizabeth from DoncasterElizabeth from Doncaster
Excellent service! We had our boiler and all radiators replaced and relocated in one day. Very efficient and well organised tradesmen. Received follow up visits by an electrician the next day and an after sales tradesman came later in the day to do final tidying up. Would happily recommend.
Trudi from SheffieldTrudi from Sheffield
Dear Denton and Nickels, I have just had my heating system replaced. I know from working in this industry you get complaints but this is not one of them. I would like to put a BIG thanks to the lads; heating guys Andy, Russ and Wayne, sparkies (Mark and Louis) ...
Rob Hall, Trinity Academy Facility Manager, DoncasterRob Hall, Trinity Academy Facility Manager, Doncaster
We started using D & N about 18 months ago, my only regret is that we didn’t use you sooner:I would just like to say D & N are one of the best contractors around and we are trying to extend the work for them here at the school by ...