[Help] Plumbing advice please

[BN9 BHA]

Good..reckon that Cylinder was put in by some YT chancer..

Just when you think you have seen most things in this game, the photo of the tile vent/ outlet appears

 

[Billy the Fish]

Sorry for the bounce but it's sort of on topic.
Could any of our resident plumbing experts recommend someone in Mid Sussex to install an unvented direct cylinder, I'm looking to get some quotes for the work.

It's to replace the old gravity cylinder that's a bit small for us and has crap pressure.

 

[Perkino]

Sorry for the bounce but it's sort of on topic.
Could any of our resident plumbing experts recommend someone in Mid Sussex to install an unvented direct cylinder, I'm looking to get some quotes for the work.

It's to replace the old gravity cylinder that's a bit small for us and has crap pressure.

We used https://www.harwoodandassociates.co.uk/ in Burgess Hill a couple of years ago. Fantastic team! New Boiler, removed tanks, moved radiators all absolute quality from start to finish