just about to embark on a loft conversion and other extension work
spoke to a few builders and have architects coming around tomorrow
main takeaways are, you'll need permission if you are changing the roof structure, windows / dormers etc then you'll need permission, most difficult obstacle is if you're trying to alter the ridge height, planners don't like this apparently
also you have to consider the size of the beams, one of the builders mentioned that the regs for habitable room means you'd need 2 inches of ventilation behind 5 inches of insulation so would need a beam of 7 inch depth*, in my case he said we're better offer just re-building the whole roof
Good luck
*numbers might not be wholly accurate
spoke to a few builders and have architects coming around tomorrow
main takeaways are, you'll need permission if you are changing the roof structure, windows / dormers etc then you'll need permission, most difficult obstacle is if you're trying to alter the ridge height, planners don't like this apparently
also you have to consider the size of the beams, one of the builders mentioned that the regs for habitable room means you'd need 2 inches of ventilation behind 5 inches of insulation so would need a beam of 7 inch depth*, in my case he said we're better offer just re-building the whole roof
Good luck
*numbers might not be wholly accurate
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