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Found 3 results

  1. My planning permission contains commitments for installation of solar PV, air-source heat pump and rainwater harvesting. I'm not wanting to go through another round of planning variations so I will install them. However, I suspect if I'd done a full cost benefit analysis then it would be difficult to justify the rainwater harvesting in particular. The solar PV hardware appears to be getting much cheaper (haven't looked at install yet) but the Smart Export Guarantee tariffs don't look particularly attractive (5.6p/kWh). ASHP makes sense I feel as there is no gas supply available to site although some of the installed prices appear astronomically high (e.g. £11-12k). Does anyone have any evidence that these eco features more than pay for themselves in purchase premium on a house sale making them "no brainer" territory?
  2. Recently completed a fairly large flat roofed extension covered with black EPDM rubber. The rainwater runs off to an existing rainwater harvesting tank. Since the water from the EPDM roof has been connected the water in the tank has become darker - a sort of blackish yellow. Perfectly OK for toilets etc but unsightly. Filters clear. Is this a consequence of newly installed EPDM and if so does it turn clear in time?
  3. Strange. If I have no rainwater draining off site I can get a modest reduction in my drainage/sewerage charges, apparently. But if I have some of it going into a water butt (or rainwater harvesting) that does not apply? See attached or the quote below. Why? https://www.unitedutilities.com/globalassets/documents/pdf/surface-water-drainage---household-2018-web-acc.pdf Is it one of these "spend money on max benefit" things (like targeting insulation grants at the worst offenders), where anybody doing something already will mean a smaller reduction in the load because it is already being diverted in some way? But surely hat would also apply to full use of soakaways... (Presumably one disconnects the butts before applying) Ferdinand surface-water-drainage---household-2018-web-acc.pdf