“Labour” at £175 a day (tradesman) £100 (labourer), includes incidental fixings etc. and tipping. “Materials” if mentioned, are larger things (a boiler) and stuff only you can choose (tiles etc). Also VAT must be added all round.
FAQs 'traffic light' guide
If you have an airing cupboard nearby, job done.
Drain down and potential air locks
Make sure you get the right pump for the shower/boiler you have!
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