DIY Windows

The windows must be certified as complying with energy efficiency regulations, which would almost always mean double glazed. As the glazing is likely to go below a certain height, it should be of a safety (usually toughened) type. The gap between the door frame and the masonry must be filled with foam to eliminate any gaps that could reduce energy efficiency.

Yes. Legally, you need to submit a building notice before you start work.

Christian.

Christian.

I've just replaced the front door to the porch cos the existing one was roten - does that need a building notice as well?

Dave

Yep.

You should keep the window spec in case they ask if they have the right U-value. etc ete etc .........

Rick

You did ! Screwfix's "Big Stuff" always seems more expensive than B&Q