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Indy

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    Self build novice
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    Surrey

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  1. If I knew the secret - I would have used it myself. We were searching in SW London/Surrey borders so the opposite end of London but demand for large plots that are suitable for redevelopment is fierce as there are lots of people like you (and I) with the same thought process. Where we ended up by accident was buying a bungalow on a large-ish plot that we'll demolish and rebuild. It was a probate sale and the owner had lived here for 50y+ (essentially bought and never moved). I'm not sure how scientific this is but a couple of builders have said if its £2k/sq m for the ground level, then factor in additional £1-£1.25k/sq m for an additional floor - IF you don't change the structure too much (i.e. a box above a box). When you get into fancy steel structures and glazing/skylights etc to be added - then those numbers don't apply anymore.
  2. £112k for skylights and glazing seems quite excessive I have to say! Unless they are full PH spec, 3G with solar film etc etc.
  3. Welcome to the forum and your criteria looks very similar to what I had in mind when we started our search - 4+ years ago. What you're going to find is finding properties that haven't been maxed out already in London with the potential for space that you're after (in effect trying to double the floorspace) are very few and far between. Most of them have already been extended and the best shot would be a probate sale where an owner has lived in a property for several years but didn't need to extend as the family had left etc etc. The architect rule of thumb is not too far off - but it really depends on where you are as a lot of places with a proper London postcode will have a London premium also applied to them. £5k/sq may be a bit toppy but the number is definitely between £2.5k - £5k somewhere, based on the extent of work and the level of finish you go for. If you multiply that by the number of sq m you want to add - you're already somewhere between £250 and £500k. At that level, it becomes easier to just build a 200sq m house from scratch at about £2k/sq m (save the VAT)- which would be newer, more thermally efficient and designed just the way you want it to be. And the cost to do the work has shot up massively over the last 4-5y, especially since COVID. With the recent market adjustments, I've found that its actually cheaper in most cases to buy properties that area already done up.
  4. This is a good shout as I'm in the process of finalising the bathroom design on mine and had missed off adding UFH and the towel rads are currently fed off the ASHP. Will go back and incorporate these changes. We've also got a lot of glazing in our design though I'm loathe to change that - it all looks so pretty!
  5. Ok, just had a better look at ours and it’s closer to £22k than £21k, but it does include tiling all the way through all of the rooms and a wet room floor in the 3 bath rooms as well.
  6. The initial post indicates that it already has planning so I'm sure these things would have been considered already?
  7. In the process of getting bathroom designs and quotes and we've had the 1st one come through. £21k for 3 bathrooms (all 3 have showers, 1 has a bath and shower) and a guest WC. This is parts only. I don't know if this is too low or too high but it doesn't include installation. Do I get an installer from the bathrooms company or would this be something the main contractor would be able to do as part of the larger overall build? Also - the brands listed in there are new to me and not the usual ones I see in high street shops - AVA, Faeber, Vado, Kaldewei. Are these any good or any recommendations on brands?
  8. This looks fantastic and I'm going to go the opposite direction and say why not build the space if you can afford to. Whether you need 13k+ sq feet is debatable but I'm all for space. The other points already raised also ring true - if you can afford to build a house of this house, then its unlikely you'll be living in a static caravan for 2 years especially with kids in tow. Also, I would want a specialist concrete builder doing the E2E project management on this rather than risk taking parts of it on yourself. Sounds like a lot of structural elements to consider and be done right. Following the thread with interest.
  9. So you were right on this point - the quote came through yesterday and it's £1530 + VAT. The quote did come through with the VAT added to make it £1800ish though a follow up phone call from them sorted that out. This is only for the original movement to the outside kiosk, and the movement back inside the house would be a different task and quoted for separately. I did ask if there's a way to reduce the cost if we do all the work (which we are already in terms of digging the trenches etc) and the lady said we could use an Independent Connection Provider. Have others used this and does it work out cheaper? One comment to add - fairly impressed with the speed and customer service from UKPN. Both the surveyor and the person sending the quotes through have been nothing but helpful and quick to turn things around.
  10. Apologies if this is an obvious question - but would this show up on a drainage search from when we bought the property? Or a separate call to Thames Water to find out the location of drains on our plot? This is what I have though this doesn't show any details for lines running under the plot.
  11. What can I do at this stage for the drainage planning and finding out where the sewers are? I assume the builder will do the relevant checks before starting to dig up the foundations but if I can help with some planning earlier, I might as well.
  12. Thanks - waiting to receive the quote via email and hopefully it will come in lower than the rough £2k he mentioned while on site. One more question - do I provide the cable or is that provided by the utilities company? As for 3ph, yeah - that's what he said. None of the other houses in the area were 3ph. I guess if the difference is £4k vs £5.5k - then it might be something I do to future proof. But if its £4k vs £8k - harder to justify. He did say that you can get a second feed to the property so a 3ph is not the only solution. Noted, especially the point re airtightness. So all we need to do in this scenario is to safely cap the existing connection and have it moved to a common spot so we can locate it in the future. The water meter is located on the driveway to the front of the property, next to the line with the neighbours. Though it is on the opposite side of the plot where we'd want the TBS. Is it common practice to have all 3 utilities next to each other or would it be ok to leave it where it is? Noted on the duct but I'd want to retain the working Virgin service, at least until Openreach cable up the area. Would I be ok to move the existing Virgin cable or extend by adding a coax coupler (?) and extending the length of the cable to end up where we want it to? And thank you, very informative and useful
  13. Not starting the build just yet - planned for early next year (Feb/March) but planning what I need to do wrt utilities. Current plot is an existing bungalow with gas, electricity, water, virgin media coax. Plan is to demolish and replace. What I've understood so far is that we need to get the utilities moved to a temporary box on the plot BEFORE we demolish. Trying to piece together the whole process so hopefully some more experienced members can help. Electricity Given that we're in the SE, our operator is UK Power Networks. I contacted them a month ago and their guy came to do a site survey today. The drawings on their system indicate that the supply cable runs horizontally across the plot and then under the next door neighbours' house. Guy said this wasn't the case most likely and used his handheld scanner to confirm that the cable comes out to the front driveway which makes the movement much easier. Cost would be £2k to do the initial movement of the cable from inside the bungalow to an outside temporary supply and then another £2k to come back and move it back in the main house when it's built. Me to do the groundworks (i.e. digging up trenches) but they would supply and lay the cables. Here come the questions: 1. Can we leave the supply in the TBS they plan to place on the plot permanently and avoid paying the £2k a second time? 2. Would my builder/electrician be allowed to pull the main supply from the TBS and into the house without paying UK PN for the privilege? 3. Is there anyway to bring the initial cost down? £2k seems like a lot to relocate a cable less than 10m on a suburban plot. Can I supply the parts and dig the trenches and get them to only do the bare minimum? 4. On the topic of 1ph vs 3ph - looks like the supply runs across the road from us which means that a 2 way traffic light system would be needed costing about £2k on top of the £5.5kish for the actual pulling of the 3ph cable. Is 3ph really necessary if we don't want the 22kW car chargers. House is a 5 bed, will have ASHP, Air Con, Solar PV, UFH, MVHR etc. 5. Are we stuck with using UK Power Networks or are there any alternatives (cheaper) that we could use? Gas We have not yet decided on whether we move away from gas completely. Even if we go down the route of ASHP for heating/hot water, we may retain gas for the kitchen and a high efficiency gas fire (vs say a log burner). 1. Is there a similar process to get the gas supply moved to a temporary box and then routed back into the house? 2. Would we need to have the temporary supply moved to inside the property afterwards or could it be left on the TBS being made permanent. 3. Who do I contact to start the conversation re gas connections? British Gas? Water I do not know yet where the water mains run but to have the drainage etc designed - seems like there is a cost of £100 ish to Thames Water for them to do the design work and come back to us with a price? 1. Are they the only ones equipped to do the work or do I have choices? 2. Is there an easy way online (even if not free) to find out water connections, drains, sewer lines etc using a map? Internet The idea is to have the connection coming to the house either via the TBS or utility (both located on the same side of the plot luckily). 1. What do I need to build to future proof either Virgin or Openreach coming into the property supply? 2. No Openreach yet (Dec 26) but Virgin Media supply exists. Do I need to contact them to arrange for the movement of the cable or can I move the coax myself (i.e. builder) to this TBS box?
  14. I'm loving all these ideas - the pull out drinks fridge and the double drawer dishwasher are now on the list of things I need but can't afford! Please keep them coming so I can fantasize even more... Have taken a note of all the changes proposed and will be reviewing with our designer over the weekend and come up with a new plan.
  15. Lights are a placeholder from the designer and definitely not something I would have chosen. Will take the point onboard re hob on island but I’m still not fully convinced that not having a clean island isn’t the way to go? Surely it looks neater?
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