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Bloody heck.
A £50-100 EPC will give you exactly what you’re asking for. It will be very vague but you can use it as a starting point for getting detailed quotes.
You can have a look at your neighbours to see if they already have one for a guide:
https://www.gov.uk/find-energy-certificate
But keep in mind older EPCs aren’t as good. They have improved info now, maybe since 2 or 3 years ago so find a recent one.
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Yes. These guys in Bristol for example.
https://cheeseproject.co.uk/They seal up your doors, windows etc with plastic then pump air out of the house to create negative pressure. Then turn the pump off, remove plastic and use a thermal camera to show where the cold air is rushing back into the house. You get a video so you know where to seal up.
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You can get advice from a retrofit coordinator. They should give advice according to a framework for energy retrofit (PAS2035) rather than try and sell you something. They can also act as project coordinator for a retrofit project but I don't know if it's worth it. If you're in southeast london, SELCE do a scheme where you can get 1h free advice and a cheap thermal survey. I haven't done it but I'm intending to.
https://www.futurefithomes.org/ -
Hoefla has said as much but look for someone who is Enerphit certified, I was going to get an old colleague of mine to give our house a look over but decided to move (neighbour issues) so never followed it up but if you want a man with a infra red camera and knows what they are doing it's worth a look.
This is his website for your info, based in Aberdeenshire so probably not terribly useful but he has interesting info on his site
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Get an infra red camera and look at the outside of your house. You can see where heat is escaping. Most provincially owned energy companies in Canada will do this for free.
It was minus 30C here in Winnipeg the other night. Furnace was on for less than an hour, inside was 17C. It sounds like you need serious insulation and real insulated windows. I wish I could help you!
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Hefty
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@aggi
Are there businesses at the residential end of the scale that can do a detailed energy survey (more than just someone who tells you to get energy saving lightbulbs) and advise different solutions with different costs and savings, etc? Ideally someone independent rather than someone who wants to flog their solution.
I had my central heating on for 5 hours, full blast, last night and that increased the temperature in the house by about 3.5 degrees (up to 17.5) and by the morning had dropped back down to about 12. Ideally I'd like to know whether this is due to poor insulation, poor heating, dodgy windows, etc. and how to rectify.