We bought a neglected but livable 3 bed semi 5 years ago. We've nearly finished doing it up - just one bedroom & the front garden to go!
It need a new roof immediately, we then did a couple of rooms ourselves very slowly over many weekends (lining papered walls, laid laminate flooring ourselves).
We gradually replaced the boiler, windows, repointed & then stole part of a bedroom to create an upstairs bathroom (mix of savings & extra borrowing).
We bit the bullet last year & decided to do a small side return extension to add a dining space to the kitchen; we've just finished that & replacing the downstairs bathroom.
Rough costs this year (outskirts of east London);
Kitchen - £15.5k (Howdens units £7.5k, fitting £2.5k, quartz worktop £2k, appliances £3.2k, tiling splashback £300)
Bathroom - about £10k (roughly £3.5k for suite, decent extractor fan, tiles, grout, mirror etc, & £6.5k for fitting - including moving toilet & new door - electrics & tiling)
Flooring - Karndean laid throughout kitchen diner, small reception room/study & hallway, including prep & screed - £3.5k
Plastering was included in building work so hard to separate out.
We've got a painter/decorator currently as I have a very young baby so can't DIY it this time - kitchen, bathroom, study (all bare plaster Inc ceilings), hallway (needing lots of prep as old paper etc) stairs, bannisters, all the doors - will be about £3k labour + £500 on paint.
Haven't had a quote for new stair & landing carpet yet - might have to be our Xmas present to each other 😂