In no particular order
Outside tap, wall mounted hose pipe & reel
Converted to Gas Central Heating
Gas cooker
Combi-Boiler, removed hot water tank
Replaced all the windows with double glazed units
Tiled floors in Hall, Kitchen, Dining Room
Folding stairs for attic
Removed built-in wardrobes in master b/room & created a walk-in-wardrobe (not huge, but much more effective)
Things I wouldn't bother with again
'Insinkerator' for chopping food waste
Solid wood kitchen doors - not worth the money
Wallpaper - anywhere, ever again
Carpet - anywhere, ever again
On wishlist
Storm porch for front door
Utility Room (but haven't worked out how!)
Convert attic
Re-do cobble locking/front garden to park two cars easily
Some way of storing/hiding the three wheelie bins in the back garden