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Craigjm

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  1. Yes we have been quoted for underfloor heating up stairs and down stairs. There is no screed yet, the slab has been formed as specified by the engineer/architect to bear the load of a steel portal frame,we are currently building the block work at present. I was thinking of adding another layer of 50-100mm of insulation before UFH installation and screed. As for the SAPS we have only had the preliminary ones done. Thanks.
  2. Hi, We are currently building a 4 bed barn conversion. We are looking into heating options and was wondering if an air source heat pump is the way to go? Current insulation is as follows. 250mm concrete raft slab with 150mm under slab insulation. Double skin breeze block wall with 100mm cavity and 50 king span insulation panels. 150mm kingspan ks1000rm insulated roof panels. Possible double or triple glazing. If anyone has any info that would be greatly appreciated. Thanks
  3. It's all a bit of a mystery to me why there are so many obstacles in the way of the build as a whole. As I understand the main purpose of permitted development is to maintain the existing structure and as a result of this conversions are easier to obtain than full planning. The only thing left standing on my barn will be the original steel frame which as far as I can see serves no purpose to the structural design, everything else will be new which the LPA are fully aware of. I would be lying if I said I haven't thought about the idea of just taking the frame work down but we are worried of the risks that could cause without full planning.
  4. Thanks very much, there really is a lot of great advice on here, I definitely a great deal to consider moving forward but Jesus the time it's taking is crippling as are the rules you are confined to which some seem quite unnecessary. Would I be right in assuming that there would be another fee to submit for full planning? Even after already having obtained permitted development?
  5. Thats great advice. I think that's possibly the best solution as I am getting very mixed opinions from all involved. Thanks very much ??
  6. The 3d render was constructed for viewing purpose as to give us an idea of what the barn will look like once finished, the actual elevation of the ground goes up by roughly one meter to the far end of the barn on the drawing which isn't properly shown. I believe the legs are to be excavated to check the depths prior to works starting. From what I can tell on the engineers drawings a new frame is to be erected along side the existing on top of the concrete form work that will be part of the foundation raft.
  7. Yes, I have had a word with the architect and he is going to try and find some cheaper alternatives or ways around it, hopefully he will come back with some good news. He has told me that with us having to excavate 1m down essentially the castle therm raft will act as a water tight "basement" like system as the ground surrounding the barn is going to be higher than the internal floor. My builder has suggested that digging around the barn and levelling off the surrounding ground should in theory prevent the need to have the raft system in place. I guess I will have to wait and see what happens. Cheers.
  8. Thanks for the info and ideas I will run this by my architect and structural engineer. I don't suppose anyone has any information on the cost implications of obtaining full planning permission after permitted development? I may have to consider this as an option if it saves a considerable amount on the foundations. Thanks again.
  9. According to my drawings the steel frame could be in danger of collapsing if the entire foundations is excavated in one go as we have to excavate approximately 1m to in depth to allow for adequate head height inside, to solve this issue the structural engineer has planned to excavate in 5 separate bays constructing one at a time (obviously causing more time and money) this is where I have become a bit stuck on what to do next. The steel frame really is a bit of a nightmare as it will not provide any structural element to the build at all, it's only purpose will be to sit within my cavity wall. ??‍♂️ I am contemplating applying for full planning so I can remove it completely but I am not sure how the cost will balance out.
  10. Good morning. Firstly thank you to everyone on this site who contributes, there is certainly a wealth of experience on here. My build. After what seems to be a long 2 years we are almost in the position to start converting our 4 bed class Q barn conversion. We are currently awaiting the 2.5 acre of land to be signed over into our names that my in-laws have so kindly gifted to us. I am now at what seem to be a crossroads in decision making, our plans have been drawn up that state we need to use a castle therm raft method for the foundations, this seem to be very costly but I am led to believe that this method is to provide support to the steel frame that needs to be left in place as part of the permitted development and will need to be installed in bays which is going to cost upwards of 17k. Ideally I would like to use the block and beam method as suggested by my builder which comes in considerably cheaper. Can anyone offer any advice on which route would be better? I am considering the idea of applying for full planning so I can remove the full frame but I would like to know if there are any other suitable options. I have attached a 3d image we have had done for reference if that helps. Thanks in advance.
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