Oh sleeves.
It's down to you and DH, your family, your desires, your lifestyle.
What can I say? We are not planning on having a "proper" holiday in the foreseeable future, and are happy with that. We are really lucky that we have a family place we can go, and we go there, it's just English seaside but it does us.
When we are done with this house we intend to live here forever and raise our family and grow old here, so it's worth the sacrifice IYSWIM. We do this, it's done, we work to get the mortgage down ASAP, cross our fingers that work is OK (DH is public sector and mine is public funded as well) and go for it.
Why don't you wait and see what the new builder says? And try and look at it from a positive POV - if you hadn't been to see the neighbour you'd be still having this shitto builder and it would have been a disaster. What has happened is good, not bad IYSWIM.
Maybe sit down with DH and think exactly what lifestyle you want, what your family want/need, what is important to you, prioritise?
I don't know.
Re the quote. Builder said that was top whack and we said we need to get it down to £100K and he said that is doable if we drop a few "nice to haves" so fine. We have had two other ball parks but they were just working out on £psm so were v rough. One was £75K + vat for shell, other was £120K + vat for shell.
What we are getting is single storey rear and two storey side. Taking whole back of house out and two exiating rooms will all be joined in with extension to give one huge kitchen/lounge (about 6 or 7m square) then a utility on the side. Upstairs bathroom knocked through into side extension to make new double bedroom, then side extenion holds family bathroom and en suite for us, all of those need knocking through as well. Our builder's quote includes fitting bathrooms and kitchens and getting it done to plastered.
Phew.
When we get the buiding regs drawings we are going to put it properly out to tender to see what other quotes look like, we have a few recommendations.
Am terrified TBH, this is a huge undertaking and I watch rogue traders too often...