@Isawthesignanditopenedupmyeyes
A £350K mortgage sounds bonkers to me, and especially if you are 'maxing yourself out.' Our house was £75K in the late 1990s, (now worth around £375K,) and I thought THAT was a lot. Actually it was for where I live. Also the interest rates were very high then, so the mortgage did take about 33% of our combined salary at the time.
About 5 years after taking on the 20 year mortgage (which was £70K as we put down £5K,) it dropped to about 25% of our income, then 20% after about 8-9 years...
It was a struggle for a few years, but we got to a point where we were able to pay more than we needed to. We did this for for several years (about 10-11 years after taking on the £70K mortgage,) So we paid the mortgage off 4 years early, and were mortgage free by our mid 40s.
But I would never take on such a high mortgage, if it was dependent on overtime!
Our mortgage of £70K (in the late 1990s) is around £140K in today's money, which isn't bad IMO. But the thought of a £350K mortgage is horrendous IMO.
Also, we were in our late 20s when we took our £70K mortgage on (in the late 1990s.). No way would I take on a £350K mortgage in my mid 40s. No way.