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Your right notch this is oversite with insulation to go on top and then a self level screed later on. It’s an awkward space to screw on battons around perimeter due to odd features (see pic) although not impossible. Don’t worry, the washing machine and dryer will be moved out before I start...

Thanks Ken, I suppose it’s that balance between risk and ability. Had I asked people if I should self build my rear extension with zero building experience I’m sure (quite rightly) that most people would have told me to stop and think. That’s what’s bugging me so much about giving in on this...

Thanks so much everyone, as always I can count on this site to give some good advice. After struggling to get enough spare bodies to help out and struggling to work out how I’d get this slab level given that it’s internal with Dpm lapped up the walls preventing easy fixing of rails + quite a few...

Thanks endecotp. I did a quick search before posting but couldn’t see anything similar. Maybe I was in the wrong section. Didn’t know if to look in flooring or building. Cheers

Thanks bobasd, I appreciate your concern however I’m not a complete newbie to big diy tasks. I’ve self built a rear extension inc installing 8 rsj’s, dogging footings, putting tiled roof on and x4 velux windows, so tackled some pretty major elements so far. Surely their must be a way of doing...

Hi all, I've ordered some ready mix concrete for a ground floor slab in my renovated house. It's about 75m2 (9m3) and is mostly open plan apart from the living room. I'm having it pumped in due to access and my question is how many people should I get round to help level it off? The concrete...

Hi everyone, I'm in the process of replacing my old suspended timber floor down stairs with a solid, insulated one. Whilst ripping up the hallway i discovered that the stairs posts don't penetrate into the ground but are nailed straight onto the floor boards themselves. The stairs are the...

Hi everyone, As part of my refurb project to my 1935 house I've decided to replace the entire ground floor suspended timber floor with a solid floor. I'll have 100mm concrete then 100mm insulation with 50/60mm screed to encase wet UFH pipes. This will of course be on MOT, sand, DPM. I've built...

I’d never considered these issues so think I’ll play it safe and whack a few nails in to be safe.

I had this issue with my extension If you go the ‘Plans route’, they are signed off in advance of any work. You then have to stick to them exactly otherwise you’re in trouble. If you just get the SE calls then you do need to ensure that everything you do is compliant which for me involved a...

I used 5 x 100 and tried me best to countersink. Not easy as screws going in at an angle but they sat deep enough to not obstruct my insulation between the joists.

I screwed mine down but all the research I did also suggested nailing too ( they’ve been nailed down for a long time) so I don’t believe it matters so long as either are a sufficient gauge.

Hi everyone, I’m close to finishing the roof of my ground floor extension. It’s a mono pitched roof. Across the back of the extension I’ll be installing long bi fold doors. Steel is already in which has an 8mm thick x 280mm base plate welded to it which sits the width of the cavity wall...

I second this. 3:1 below ground protects mortar against frost damage as it’s stronger. Again thought am only a diyer but built my extension last year and it’s still standing!

Hi Dazza, I would say removing an internal block is easier than external brickwork and when you put it back in your mortar joints won’t need to be as neat / matching. If you’re removing just one block you should be fine but any more than that you might want to think about supporting the wall in...

Hi John, thanks for reply. Yes I can just about get access to top course. It's prob 1/4 obstructed by upstairs floor boards which if I stop being lazy I could pull up if needed. Think I was trying to make things easy but made them worse - that's how you learn I guess. I'll update on progress

Hi all, Firstly happy new year! well in a few hours at least. My issue is that i've just installed an RSJ downstairs in a supporting wall. The first floor joists run perpendicular to the said wall. To support i've a scaff board with acrows on one side of wall. Scaff board is pretty close to...

I've gone for a lean to roof so steels are more for opening up rear of house and dropping a kitchen wall. I need to get roof on, bi folds in so when i open back of house up we're not exposed to the elements - in November! I'll have to get some pics up soon.

This is brilliant. I'm doing the same in terms of a self build extension and i'm almost at the same stage. Well just about to start the roof and i've not put the steels in yet apart from over the bifold doors. Glad i'm not the only one tacjling such a mamouth task alone!

I'm trying to determine if i need to add counter battens to my roof build (new build ground floor extension). I've looked through older posts and on the net but can't seem to get a conclusive answer? Roof is mono pitched @ 21 degress approx, vaulted ceiling, insulated. Rafters are 150mm deep x...