Thank you David. What is amazing is the amount of space this loft conversion unlocked for this family. Going from a 1 bed bungalow, to a 3 bed home with an extra living room and bathroom :) Check the full project here

@Roomhe3-by-Room (UK) Ltd thank you for your comment. I did a rough mock up of your suggestions on PPT and the slate tiles and dormer with grey windows makes a dramatic difference. I really like the look of it! The current concrete roof tiles we have are believed to be original from the 1950s when the bungalow was built, and if I have done my research correctly, it has to come to an end of its life span of 50 years so it may be worthwhile to redo the roof too. Would love to opt for slate tiles but have heard these are more expensive than concrete tiles. We don't have a big budget but would like to go for something similar in appearance and durability as slates at a lower cost. Is there something on the market that fits this profile like concrete roof tile in grey slate colour? This is my first building project and knowledge of materials is very limited! Thank you

I was one of the original poster. Eventually in our case, building control wouldn't allow this - they originally OKd the plans, but then wouldn't allow the removal of the ceiling from the box room. There was a "galleries" approval that we explored but they weren't having that either.

Photos please, it will say 1000 words and make it a lot easier to help ;)