Does this seem a reasonable quote?

Having standard boiler replaced with combi.

- removal of water tank in airing cupboard and cold water tank in attic

- full system flush

- install Baxi 800 combi boiler

- remove old bath taps and replace with mixer tap and new shower hose

- make old power shower safe (removing electrics)

- new run off valves and thermostatic radiator valves on all rads (4)

- remove radiator and install new one in bedroom

£4000 total