The thing underneath was constructed after the boiler was installed... it's screwed from a maintenance perspective anyway as that boiler really wants better ventilation underneath it (unless that shelf under it is deceiving and is in fact a big hole.
Boilers need air, lots of it, especially underneath (for most designs).
Servicing needs the ability to remove the case (usually screws at the bottom and top, but sometimes at the sides).
Servicing also needs the ability to remove most of the fascia and bottom.
Whatever you do: Give it a lot of space underneath it, and around it so that an engineer can get it, and a lot of air that it can draw upon (if you fully box it put in a grill vent so it can pull in air).
If you can come up with a design that does that... then a standard wardrobe or living room cabinet make will be good for this. MDF is fine, a basic shaker outline or something to make it look good. Store your hoover and ironing board in there (because they're tall and you can't really fit shelves, etc without eating into the space an engineer will need to service it).
The thing underneath was constructed after the boiler was installed... it's screwed from a maintenance perspective anyway as that boiler really wants better ventilation underneath it (unless that shelf under it is deceiving and is in fact a big hole.
Boilers need air, lots of it, especially underneath (for most designs).
Servicing needs the ability to remove the case (usually screws at the bottom and top, but sometimes at the sides).
Servicing also needs the ability to remove most of the fascia and bottom.
Whatever you do: Give it a lot of space underneath it, and around it so that an engineer can get it, and a lot of air that it can draw upon (if you fully box it put in a grill vent so it can pull in air).
If you can come up with a design that does that... then a standard wardrobe or living room cabinet make will be good for this. MDF is fine, a basic shaker outline or something to make it look good. Store your hoover and ironing board in there (because they're tall and you can't really fit shelves, etc without eating into the space an engineer will need to service it).