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Found 9 results

  1. Hi. Firstly, not sure this is the correct place to post... never seen so many sub-forums in my life.... We're building a 245m2 passive(ish) house this year. South facing, plenty of solar gain when need (bris soleil and external blinds to minimise when not wanted). https://forum.buildhub.org.uk/topic/9228-hi-icf-project-in-holywood/ We're in a town and on mains gas, so it seems by far the most logical source of energy for heating and hot water. As much as I want to de-carbonise, a heat pump doesn't make sense in our case. So, that part is sorted. As we'll have triple glazing, ICF walls, large thermal mass, high air tightness, our energy demand will be low. I don't see the point in spending thousands installing a central heating system. Plus we'll have a wood burner - will be rarely used, so not fussed if there's a back boiler on it. Our initial PHPP assessment attached. I'm thinking plumbed towel rads in wet rooms and maybe 2kw post heaters (3x 150mm - one for each level - each with own control e.g. central warm water heater) Any issues with the above? Would also consider electric under tile heating mats for the master en-suite for my other half's chronically cold feet... My main query is hot water.... there's just the two of us and we both travel a lot for work so we've no regular routine. We have a combi boiler in our house which is great.... but hate the long delay for hot water to come out of the tap and the massive pressure and flow drops when somebody else flushes a toilet or turns on a tap. So I'm ruling that out. I'm also planning on a 3-4KW PV system with solar diverter to provide hot water in the summer... so that means some sort of storage. What are my options? In summary, we need instant DHW on demand, high flow rates, low running cost, heatable by gas and PV. Thernal store, unvented HW cylinder or sunamp type storage? Really unsure!!! Thanks
  2. I have a feeling I'm being taken for a ride. The chap we've used for around 15 years or so to service our boiler retired a year or so ago, and now the house is up for sale I've been advised that I need to provide evidence of an up-to-date service, which is fair enough. I've witnessed every service on this boiler, and on average it's taken under an hour, and has essentially been a visual inspection inside the boiler, a flue gas check, gas pressure check and a quick test to make sure the controls are working. If asked the chap would also have checked and cleaned the Magnaclean and topped up the inhibitor, but I usually do that every year anyway, so that's never been included. I can't remember what we used to pay, but I'm pretty sure it was well under £100. I asked around last week to try and find someone to come out and do a service and check, and those that have come back so far are looking for well North of £200. I reckon this is OTT, but maybe I've just been getting a good deal from the chap I've been using for years. The boiler in question is a wall mounted and easy to access Vaillant EcoTec Plus 831, with just a single wired programmable thermostat. Everything is easy to access, and nothing needs to be moved to get at either the boiler or the Magnaclean, which is mounted on the wall next to it. Am I just out of touch with boiler servicing costs?
  3. Well with the trench blocks in its time to sort out my services and stuff for drainage and waste i basically COPIED the paths from an identical house but as I am doing the pipework and paths myself (as much as i can anyway) I wouldn't mind a bit of the usual good advice from the sages on here ! In your guys (or girls) honest opinion 1. does the waste and rainwater make sense ? ....do you think i need to add anymore feeds for RW at the top left? 2. The services (sadly) enter the house on the wrong side (see blue arrow) ...I have to get virtually EVERYTHING to the Blue cross as this trench carries it all 30m to the road Sewage, Water, Electric, Gas and Telecoms (too possibly) How would you lot do it ? ..as in what way? I have some pics below that could help you visualise it a) planned water paths b) roofscape ( the bit on the right is a single storey sunroom c) example of identical house built a few years ago any advice is appreciated
  4. Has anyone had the issue of having to divert a gas main for the foundations and idea of costs? The contractor is 3/4 through the foundations and discovered a steel pipe. The initial inspection points to it being an old gas pipe that has since had plastic fed through it. We now await follow up inspection, then can apply for a quote to divert. We checked prior to building the location maps it looks like the network drawings are slightly out. It should be under a flagged footpath the same as all the other utilities, we can only think that many years ago it was decided lower cost to put under what was softer ground compared to taking up old flagstones. Disappointed that not only has worked stopped for an unknown period we will get hit with the extra costs to divert despite carrying out all relevant checks. Anyone ideas on pricing per metre or how the process works in terms of time would appreciate comments, online I can only find prices for meter diversions. ? I couldn't find any other information on this forum so think its another potential hidden pitfall to be aware of for future self-builders, we were grateful it wasn't damaged.
  5. Pete

    Nailer

    https://angliatoolcentresales.co.uk/1LIL-5JYV9-FFJEDR39A2/cr.aspx?v=0 Just noticed this nailer as these have been discussed recently.
  6. The caravan is here! My question is do we need an LPG registered gas engineer to connect up to the two 47kg LPG units? And what about when we need to change them? Or can we do this ourselves (the pigtails are already on the end of the caravan and the boiler has been serviced before we got it). For interest, the shed (ex-playhouse) to the right hand side is the outside toilet cum laundry. Fitting it out has kept him indoors happily occupied for a good couple of weekends.....
  7. Our current house is a cool, drafty colander. And to finance Salamander Cottage, we need to sell the colander. [The sublime built next to the ridiculous] So I'm putting Repair-and-Replace plan together. Trying hard not to look at the cost. Done my due diligence , thanks @Ferdinand, @Onoff, @JSHarris , @Crofter , @TerryE and others. EPC for the current house is likely to be X, Y or probably Z. To top it all off, the main heating system is a multi-fuel stove that enchants everyone who comes in and settles down on the sofa. Heats all the hot water, a good few rads and a cat. Bless it, the fire needs daily maintenance and has never yet performed well when there's a blocking high-pressure system. We'll never sell with the current set up. So out with the old and in with the new. E7; never get our money back. Oil; just don't like it. Illogical? Maybe, but that's it. That leaves LPG. Calor are fitting tanks free. Salamander cottage is 20 meters away. Any reason I shouldn't use Calor for both properties? Too simple?
  8. I looked into the technology being used and the data collection and security, some time ago (probably around 4 or 5 years ago now, when the first "smart" meters were being rolled out. There are a stack of issues with them, even though the intention is partly good. The major one hitting consumers right now is that each supplier came up with their own implementation, so when you change suppliers (as we're all encouraged to do to maintain competition in the market) then the meter needs to be changed as well, or you just lose the "smart" meter "advantages". The more serious flaws were that the entire system, from the meter data link to the storage of data by the suppliers and intermediaries, was open to malicious attack. In fact the protocol was so insecure that it was laughable, with virtually no security provisions at all at the meter end. Whether consumers would have trust in the data collection end, run by the suppliers is open to question. Right now there's no significant problem there, apart from the frequent "computer errors" that seem to effect the billing part of the systems some suppliers use. With the advent of control of meters and supplies by the suppliers, using their systems, there comes a whole new set of security issues that some could choose to exploit to there advantage (anything from crooks fiddling usage data to malicious interference with supply control). The annoying thing is it wouldn't have been at all difficult to make smart metering effective and secure. Adding hardware encryption to the data link would have been easy, cheap and effective. Making the metering systems all work to a common standard, with rigid controls to ensure interoperability between suppliers would have been easy, and not added significantly, if at all, to the cost. Focussing on effective incentives, rather than replicating existing energy usage displays and hoping that will change behaviour (for most it won't, as has been shown) might have given real benefits. For example, EDF in France charge different prices for electricity to all domestic consumers depending on their forecast load. It's not smart metering, it relies on radio, TV and internet warnings of the days/times when prices will be high. We have friends who lived in France for years, and they would always watch out for the price changes and plan their usage pattern to avoid using things like the washing machine during high price periods. From what I gathered from talking to them, this was commonplace; lots of consumers were used to just adjusting things around the varying energy price. Smart meters would have allowed that easily, and a simple display showing the consumer the current price and usage, with a short calendar of forecast prices over the next few days, would almost certainly start to do the same as what has been happening in France for some time (I think the reason for doing it in France had lot to do with their shortage of short-term fast ramp-up generation; they use a lot of very slow to respond nuclear plants). The real nail in the coffin seems to be that widespread roll out of smart meters in other countries hasn't resulted in any saving, if anything it's produced the opposite effect!
  9. Excerpt from a previous thread. A member asked..... Following on from discussions regarding the desirability and availabilty of low output room sealed wood burners I have been looking at the alternatives. I need something that will satisfy our desire to have a "real fire" while at the same time having a controllable output of around about 2kW. Has anyone looked at using bioethanol burners as a compromise solution in this situation ? Do I need to make any special allowances for flue-less fires in the house or should a standard MVHR system be able to cope ? Are there any building regs to consider ?