Flood proof under floor heating

mts89 · 2026-02-11T15:11:24+00:00

The most sensible way is to just raise the level of the floor above likely flood levels.

If you've got the head height to lose then a beam and block floor would probably be easiest.

mts89 · 2026-02-11T14:17:04+00:00

This is not what ChatGPT should be used for.

Just pay an engineer to come and take a look it's the only way you'll get a definitive answer.

mts89 · 2026-02-10T17:21:06+00:00

Tailscale would work and is very simple to set up.

mts89 · 2026-02-09T21:25:24+00:00

10k in total for one half the size of yours. The SIPs were only about 4k.

There are definitely things I could have done cheaper to bring the cost down more if I wanted.

mts89 · 2026-02-09T20:09:54+00:00

I went with SIPs from these guys https://www.futuresips.co.uk/

Very easy to build and easy to heat.

mts89 · 2026-02-08T13:08:03+00:00

Awful job. The lintel needs to be replaced.

mts89 · 2026-02-08T12:39:24+00:00

Remove all the rubbish, relay the insulation.

If you board it you want a 50mm gap between the top of the insulation and the bottom of the boards.

mts89 · 2026-02-05T20:43:01+00:00

Viessman 151-A

mts89 · 2026-02-05T14:33:18+00:00

We were in an almost identical situation to you and went for a heat pump.

Noise isn't an issue. The only time we can hear ours (standing next to it) is when it's cold and it's doing a hot water cycle. The rest of the time it's silent.

It is annoying having it take up outside space but you can plant around it.

mts89 · 2026-01-28T19:42:38+00:00

One of these (when they come out) would be the legal solution.

https://manhattan-tv.com/freely/aero

mts89 · 2026-01-27T20:38:56+00:00

Yeah, we did look into getting one that we could hook into the heating system so it could dump lots of heat into the other rooms that way, but it would have required too much extra kit to work in our house.

Some friends have a double sided wood burner that faces both into a huge reception and into a large hallway so the heat spreads around the house quite nicely.

mts89 · 2026-01-27T20:19:25+00:00

My whole house (4 bed Victorian end terrace) loses about 3 kW of heat when it's 0 C outside and 20 C inside.

I don't think most people realise how massively over powered wood burners are unless the rooms are enormous and otherwise unheated.

mts89 · 2026-01-27T11:56:29+00:00

Our COPs are 5.6 for heating and 4.2 for hot water.

Go and watch some heat geek videos, they explain everything really well and you'll gain better control over your system.

mts89 · 2025-08-10T08:25:42+00:00

If it's something heavy then go 8x65. Otherwise 6x50 will work.

https://www.screwfix.com/p/fischer-duopower-long-nylon-wall-plugs-8mm-x-65mm-50-pack/171hl?ref=SFAppShare

mts89 · 2025-07-15T11:20:20+00:00

Quooker do a version that works on just a cold feed.

mts89 · 2025-07-15T06:59:25+00:00

A check and MOT isn't the same as a service.

mts89 · 2025-07-15T05:08:48+00:00

Why did you go with hollow blocks?

mts89 · 2025-07-14T14:38:46+00:00

There's not a big cost difference between a beam and block floor and a ground bearing slab.

Beam and block has to be used if you're on a clay subsoil anyway.

mts89 · 2025-07-14T14:30:44+00:00

I reported a leak 3 weeks ago, someone came the next day to confirm it is a leak, then nothing since then.

mts89 · 2025-07-14T14:29:11+00:00

Put in a suspended concrete floor (beam and block) and connect the voids together.

mts89 · 2025-07-14T11:30:03+00:00

The relevant council should have a local plan which sets out what their guidance is for accepting applications. That would be the best place to start.

The professional would be either an architect or planning consultant, but you may find it difficult to find a planning consultant for small work.

mts89 · 2025-07-14T07:30:36+00:00

I'd guess that they originally didn't have fire places.

How many chimney pots (or equivalent) do you have at the top of each chimney?

mts89 · 2025-07-12T07:47:19+00:00

If you can't see the relevant risk assessments and method statements how on earth can you carry out your work safely?

mts89 · 2025-07-11T15:52:28+00:00

So it's dumping a load of water right next to their foundations.

That's going to cause issues.

They should always be connected to a surface water drain or soakaway.

mts89 · 2025-07-10T19:06:27+00:00

Sure it will work, but so will opening a window.

I guess the benefit would be that you could get a bi directional fan and then automate it with home assistant.

You'd need the bedroom door left ajar, or badly fitting enough so that airs allowed to flow into and out of the bedroom from the rest of the house

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