Making changes to an existing loft conversion - does it need building regs approval?

[GoldenMalicious]

Our house has a loft conversion that is probably 30 years old - it was put in by the previous owners. It has four small bedrooms and we would like to restructure some of the layout to merge two into one larger bedroom. All walls are non-load bearing so the physical task of removing them should be easy enough. However, I am unsure whether we would need building regulations approval to undertake such work. Due to the age of the loft extension I doubt it would meet all of today’s standards so I don’t want to go into a major retrofit, especially as it is only a part of the existing space that we would like to change.

Does anyone know whether we are likely to need building regs approval for these changes and (if so), whether this might also include the rooms that we’re not planning to change? Thanks

I'm pretty sure this sort of work ought to have BR approval, however, who's to know you've done it if you're only moving stud walls around? You may want to learn from my experience though. Old loft conversions can be freezing bloody cold in winter & burning hot in summer due to poor insulation. If I was in your shoes, I'd gut the interior back to studwork & put celotex thick insulation in. You'll be toasty all year round then. Esp with energy prices skyrocketing.

We are in a similar situation; we're you able to get any official advice on this?

Thanks

Checked with my DH (ex BCO) as long as you're only removing a non-load bearing partition wall you wouldn't need BRegs.

@hesbeingabitofadick thank you so much

This is the sort of thing that local planning offices froth at the mouth over, yet blithely sign off hundreds of tower blocks with unsafe cladding without a backwards glance.