It'll be a junk install for that price, certainly. Boiler & flue are about £900 to buy so he's wanting £50 to fit it. Either that or you've misunderstood and he was saying the install cost was £950, on top of the cost of the boiler
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local