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Hi,
Been searching the internet based on my current problem, and think I am now overthinking it and tying myself up in a knot!
OK, current situation: Couple of years ago moved into a 30's house with prebuilt extension on the back (Flat Roof) - We are planning on upgrading the extension with:
All OK so far I think, not for much longer! Firstly, there is a drain access (double sealed) underneath the floor in the utility room. I found this recently when my toilet wasn't draining quickly, and the water board had to come out and rod it - Not the end of the world as I know the water board used to allow double sealed units, so its not that its not compliant. The other issue is when we bought the house there was no record of BC sign-off for the extension, but were advised this could be due to the age, and the SE confirmed it is structurally sound.
Last bit I promise. I effectively want to bring the extension to modern standards, whilst also removing part of the original house back wall (along wil a full chimney stack) to make it open plan - This is where I have tied myself up in knots:
The whole place will be re-wired, plumbing / gas re-done, Celotex installed, warm roof,...my main issue is the existing structure and waste cover,...
What you reckon? Proceed, or tear it down and start again and move the drain?
Sorry for the long post!
Ta muchly
Been searching the internet based on my current problem, and think I am now overthinking it and tying myself up in a knot!
OK, current situation: Couple of years ago moved into a 30's house with prebuilt extension on the back (Flat Roof) - We are planning on upgrading the extension with:
- New BiFolds to replace patio doors - This will consist of a new A frame going around the bi-folds as I don't know how deep the foundations are, along with a steel (calculated by SE) going in above the doors
- New warm roof - Extension was built in the 60's (I believe) so roof needs renewing, so will convert it into a warm roof with some skylights / velux'
- Celotex / Ecotherm type insulation - The extension on 2.5 of its sides are now internal walls, however the external walls are single skin (4 inch) block so my plan is to insulate the hell outta these in order to bring it up to standards
All OK so far I think, not for much longer! Firstly, there is a drain access (double sealed) underneath the floor in the utility room. I found this recently when my toilet wasn't draining quickly, and the water board had to come out and rod it - Not the end of the world as I know the water board used to allow double sealed units, so its not that its not compliant. The other issue is when we bought the house there was no record of BC sign-off for the extension, but were advised this could be due to the age, and the SE confirmed it is structurally sound.
Last bit I promise. I effectively want to bring the extension to modern standards, whilst also removing part of the original house back wall (along wil a full chimney stack) to make it open plan - This is where I have tied myself up in knots:
- Do I need to move the waste access cover to outside the house? I understand that any work within a certain distance needs a BO agreement and moving? I am mainly thinking of the a-frame and excavation works as its very close (1.5m) to the access cover) I am at the top end of the road / pipe, and my house if the first to enter the shared pipe - does that make a difference? If i were to move it, it would have to go under an existing wall and foundations?
- 4 Inch external wall - This is a big concern but the SE seems to think i can put 150mm Celotex or similar and vapor barrier and it should be OK?
- Removal of existing wall - Obviously will get BC sign-off for this, but how does it work with the existing structure not having any trace of it? Can I get the old extension signed off too? It wont be complaint with BR now as I very much doubt the foundations are 1m.
The whole place will be re-wired, plumbing / gas re-done, Celotex installed, warm roof,...my main issue is the existing structure and waste cover,...
What you reckon? Proceed, or tear it down and start again and move the drain?
Sorry for the long post!
Ta muchly