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Unlawful in Scotland

Community Member

Come February 2022 the law in Scotland is changing to require an interlinked heat sensor to be fitted in the kitchen and smoke detectors in all living areas. Having invested close on £500 on 5 Nest Protect smoke detectors I now discover that I will have to remove them all and replace with a system that includes a heat sensor.  I am unsure if the law extends to the whole of the UK but buyers need to be aware that all Nest Protect smoke detectors will be unlawful in Scotland as there is no interlinked heat sensor that can be installed in a kitchen. At the very least Nest need to make this clear in their advertising. Come on Nest you should do better.


Bronze Product Expert
Bronze Product Expert

While I understand your annoyance , you need to realize that this isn't "Nest needs to do better", this is a building code that changed and the old products will no longer be allowed. 

SAYING THIS - I do not live in Scotland, I live in Canada, and the rules here are very clear.  New building codes only affect New construction, or substantial renovations.  Old homes can stay with the older building codes.  Is that the case in Scotland?

The law in Scotland requires all properties regardless of age to have interlinked heat and smoke detector. The absence of a Nest heat sensor has long been a criticism and now all property owners in Scotland who have invested in Nest Protect products must now have them removed. I stand by my original post.

Did some googling, I think both sides are in the wrong here.   Nest \ Google should create a "Heat Only" alarm product for areas that have this issue such as Scotland.  The Scottish government shouldnt have made such a stupid law, as Nest Protects DO have heat alarms, but the issue is the kitchen must be Heat ONLY.. which makes no sense.  


You aren't wrong, but I think the blame is 50/50 here(Google \ Scotland).  Sad thing is, coming from a smaller country (population wise) myself (Canada), our laws and rules tend to get ignored , as our base of buyers is much smaller than the rest of the world.  

I believe the whole of the UK may follow suit so that is a major market for Nest. As for the law being stupid the current Nest Protect cannot be installed in a kitchen so quite reasonably any fire in there will spread before being detected. I can see the logic in the new legislation requiring a heat sensor located in the kitchen linked to smoke detectors elsewhere in the house.

What I mean is, If you have a Nest Protect in your kitchen, it would be interlocked, and would signal to the rest of the house.  The stupid part is not the law in general, but the fact that the kitchen must be Heat ONLY.. as the Nest Protects do have heat sensors, and would qualify if the law said "Heat detector (at minimum) in kitchen interlocked with rest of house", instead of "Heat detector only" 

Community Member

We don't install smoke detectors in our kitchens over here (in general they are probably smaller than in Canada) Even the toaster sets them off so its heat sensors only and there are many other companies that sell interlinked heat and smoke detectors, so in Scotland the Nest products will be redundant. Its a shame but the reality is that we all face dumping them.

Community Member

I'm glad I'm not the only person  who is seriously annoyed by this situation. I have 2x Nest Protect Gen 2 hardwired (1x Hall and 1x Kitchen). The Protect in the Hall is mounted in centrally in the middle of my home (single storey bungalow) and my Protect in the Kitchen at the far end, closer to my internal door to my Garage where my Gas Boiler is located, giving me fire/smoke warning in my Kitchen and CO warning from my Garage.

I've had them for several years in which they've both worked flawlessly since their installation. I'm also now left with no option but to remove them as well as they don't meet the new requirements as this will effect my home insurance policies.

I'm concerned that Google Nest haven't issued a statement on this situation as it's been mentioned already both the hardwired and battery versions of the Protect are still available for sale in Scotland both of which will be Illegal come February 2022 as any batteries within a smoke alarm must be sealed and non-user replaceable.

Community Member

I agree, I've spent all morning doing google searches, and what I discovered were 10's of separate posts since 2019 on google/nest forums and reddit of people asking about heat detectors and in all cases a moderator would close the thread stating we appreciate your feedback and will pass this onto our team. End of discussion.

Regardless of arguments being made, the silence from nest/google on providing clarity over a product or compatibility for heat detectors for coming on 3years is staggering to me. There lacks engagement or genuine interest from them on an issue now facing many in the UK who like their nest protects but are now facing a changing regulatory reequipments and a need for linked heat detector in kitchen.

For me I've 4x Nest Protect Gen2 (alongside other Nest products) and now face the prospect of wasted money and a split tech eco system. Incredibly disappointed we've heard nothing for nest on this for years.