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Electrical Spec for Garden Office Installation

An explanation of the electrical specification for a garden office, including using a local electrician for Part P certified final connections, with Rob Booth's pricing.

Electrical Spec for Garden Office Installation

Below is an extract from current building regulations explaining that it complies for you to employ a local electrician to do the final connections and the Part P certification on the whole garden studio installation.

Rob charges £960 including VAT up to 40m for mains connection, and this includes Part P certification. This assumes that no trenching is required. Rob Booth is Alex’s twin brother and is a qualified electrician. Many electricians are not allowed to issue Part P certificates, since they need to do a course (which costs almost £4,000) and then there is an annual fee of about £700.

The installation covers the garden studio consumer unit (fusebox) and armoured mains cable. Air conditioning units are “A” rated for efficiency, with the standard model producing roughly 4kW of power for every 1kW of energy used. The standard air conditioner suits 16–30 sqm, with a larger unit available for 24–45 sqm.

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Alex Discusses The Fuse Box Installed In A Booths Garden Studio

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Transcript

I've just noticed there Alex that the fuse box well it has changed isn't it it's a metal one now yeah yeah they have to be steel now for five regulations but on the this is a qc6 so it doesn't actually protrude as much it sticks out a bit more on the qcb because the walls are a little bit thinner but what we need behind here is insulation because otherwise you get condensation inside right consumer unit so it has to stick out a little it has to be more into the room than on the other side we could bury it into the wall completely because it's big enough but once you do that then there's no insulation behind it you can get cold spots which isn't good right not good with Electrics thank you

Alex Discusses Mains Power Connection To Your Garden Studio

Alex Discusses Mains Power Connection To Your Garden Studio

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Transcript

so Alex we've just discussed the inside consumer unit what this is the outside so this is this where the armored cable comes in yeah what's happening is inside the wall there's a thicker cable running from the consumer unit down to inside this box inside this box is a connector so do we Supply that box this comes on the studio that comes on the studio right so does an electrician just have to connect to that he just needs to connect to that into there it's that simple yeah but it has to bring his cable all the way up to here so he's digging all the cable all the way up in this case buried it all the way down the lawn and it's coming to here and he's made his Connection in there then he's made his connection I I had it in my head that you would have to actually connect to the consumer unit no at the minute we're doing it through this through this box if if you had a really long run say the studio was 60 70 meters from the the house regulation would state that this thick cable it would need to be a really thick cable you'd be probably getting up to 10 mil cable it would be easier to take this corner off but if you take these caps off here and here this corner just off okay and you can run straight into the uh is the consumer unit is visible once the corn is taken off yeah so there's a there's a conduit and you can feed your cave your armored cable straight into there it's a little bit more work but then it will comply with regulation this complies the regulation because the cable that's running from here to the consumer that we feed is big enough right but it's not 10 mil so uh and in some cases it needs to be really big if they're going to want quite a lot of stuff on it you might be 10 mil cables it's quite difficult to run 10 mil from there so you'd run 10 mil straight into the consume unit by removing this corner right okay simple enough job and and we'd just noticed there's a piece of white plastic down here running uh yeah coax yeah when the customers asked the their electrician to put this in he's got this you know conduit here running in with some coax cable and you know for the internet and the TV I think they're running the TV and it's the gymnasium an idea they're going to put a TV in here and so they put the air on they'll just run it up the same trench right okay well that's great thank you

What Is A Fused Spur Socket?

What Is A Fused Spur Socket?

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Transcript

it's see in here just to clarify what a fused spur is as opposed to a double socket that's my AC there and it's wired into a fused spur so you just switching on and off like that it's just that it's it's neater because it doesn't have a cable coming down here although it can have a cable going into it but this example of what the cable is behind the wall so it's neater than a socket and also it's safer so in somewhere like a bathroom where there's water you it's actually illegal to have a double socket a normal double socket or a single socket it has to be a fused spur like that I've also got an example up on the roof here for a for a heater again that's running on a fused spur deck again it looks neater and it's safer so so hopefully that's helped

Air Conditioning In the QC Garden Studio

Air Conditioning In the QC Garden Studio

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Transcript

are we just discussing the AC unit here Alex Yep this is an AC unit that we're fitting in this studio they uh they work in three ways really they heat the studio this is blown out masses of heat as we tested it on the studio onto my neck it also fills the building so on a hot day you can use it as a cooler so it's going to cool the building and it filters the air as well and it dehumidifies so there's a pipe going outside so it's taking any moisture that's in the air which isn't good for anything really the moisture so that's four things not three things one of the brilliant things about an air conditioning unit is it's called a heat exchange unit really the power that you put in there's no one here is the same as the power you put out so if you had a standard electrical heater if you put six kilowatts of heat in you generally in six kilowatts a year out with these uh you putting in one and a half kilowatts one kilowatts you're gonna be getting five to six kilowatts of heat back out so very very efficient way to heat and is that because of the external unit that's the external unit which we could uh which can be a bit unsightly it's a big bit it's a bit there's the box there so it's quite a big section you've seen them on the back of garages every BP garage has got a load on the side most office and cheap to run and cheap to run let's say the sacrifices it's not attractive but on most Studios they hidden out of the way behind the studio yeah I did have a customer asking me about underfloor Heating and I pointed out we yeah that's it is really nice in the winter but if it's a hot Summer's Day underfloor heating isn't going to do what an AC unit would do and it's going to be a similar cost you know you know cut down under vlogging under flowing and the flooring is a bit funny as well because you can't if you were to put a petition wall up for example in a in a studio where we would build the studio and then add our position walls later you can't do that you can't put a petition wall you can't put a toilet over it there's lots of things that you can't put over yeah so not it has its drawbacks under for you this is what we recommend it's efficient is yeah great okay thanks for that

Alex Booth From Booths Garden Studios Discusses Extreme Heat & Air Conditioning

Alex Booth From Booths Garden Studios Discusses Extreme Heat & Air Conditioning

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Transcript

okay i'm here with alex on is this the hottest day of the year we've ever known yeah it's the 18th of july and apparently it's 37 degrees right now here in colby which is pretty hard i've never known it like this it's it's really you can feel it baking down on you it's in my eyes it's really really hot and we've had to send a lot of stuff home because we just well they you know how we work we work flexibly so they've got flexible so they came in early and coming over the weekend knowing that so they can make the most of the weather so the factory's empty but all the work so happy days but we're going to show you this is our buying office we use our own studios for our staff they've gone home as well to make the most of the day so they came in early but the thing about this office is oh it's got an air con so 24 degrees 33 humidity yeah which is it feels really really cold after being out there it does feels like but when you sit down if it was really cold 18 degrees or something you'd be sitting down and you would be feeling cold but it just feels i mean coming from out of there just feels amazing yeah but it's gotta be sad it works the other way around as well you know in the winter when somebody visits and it's cold out there you walk in here to the perfect temperature this office the temperature is perfect all year round yeah this temperature 24 degrees so if you can afford it there are nice bits of kits and the other thing to be said about them you know it's where this the way the country is moving towards these because they're so electrically efficient for for for every four kilowatts of money spent sorry every killer one you get four kilowatts of heat rather four times more efficient than an electric meter although slightly more expensive than the initial car yeah but if you're working this you know you and i have sat in the other side yeah we ran in here didn't we this afternoon to do our meetings because we had a few meetings and it's just incredible when you walk out outside it's just the perfect temperature so you're more productive so it pays for itself in other ways i work for yeah good stuff thank you

External Air Conditioner Unit

External Air Conditioner Unit

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Transcript

I'm here with Alex Alex we're just discussing the outside AC unit because it used to go up on the walls of the studio didn't it it did yeah what we did was we had a couple of brackets here the AC went up there looked very neat very tidy what we had was customers telling us that the vibration not the noise they could feel the vibration of the fans moving in the building right which so if you just it didn't seem to be loud or if if you were there you'd probably but if you were sitting in your office on your own on your computer people did notice the vibration so they asked us if we could take it away from the building so we decoupled it as as really what we did cuz this is the main section of the the AC so this is the outside unit yeah there's no way of ever saying that this is a pretty thing it's always going to be an ugly thing but it does a job it does a brilliant job it cools Heats dehumidifies and purifies the air in your studio so well worth it you know it's a lot cheaper to run lot to run that's why you see them everywhere these boxes on the back of garages factories everywhere so how much space would somebody I mean obviously like Richard here he's put it on this side of the studio because that's the least visible side of the studio how much Gap would they need we need a meter we need a meter in front of the yeah air conditioning unit okay so that's I think it's a meter from here yeah me from the studio from the studio so you've got about 350 mil here so you need about 7 50 mil this has got to sit within the meter of the uh right and that's just sitting on some slabs as well what we've done is just on slabs yeah that we just uh sanking to the ground okay then it's decoupled so it's not going to vibrate that's great thank you

Extending the Air Conditioning Pipes On A Booths Garden Studio

Extending the Air Conditioning Pipes On A Booths Garden Studio

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Transcript

so you've just mentioned the AC there Alex because the external unit doesn't always have to go directly where no with the external unit if you if you walk around here you see on the back wall is the the AC is in there there internal wall so it's more or less in the center of this 15 by9 yeah so they would supply enough pipe to take it to a certain uh position within the within the garden one of the things about an external AC unit it's not that attractive so what we've got here I don't know if you can see the pipe so coming around so we extended the pipe work all the way around all right so that's that double thick black pipe y right then H so it goes all the way around the shed yeah so the external unit here wow so that's quite a distance away then isn't it see it's it's got plenty of room to work it's away from the studio it's not an eyesa it doesn't have to be as close to the studio as a lot of people realize yeah that's great thank you

Checking Your Studio Windows Position For Air Conditioner

Checking Your Studio Windows Position For Air Conditioner

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Transcript

hi there is he in here just this is a quick video to show you how to work out the orientation of your garden studio it's mainly the windows that you're looking at and this is with relevance to whether you have an air conditioning unit or not because if you windows are north-facing it's unlikely you'll need an AC it's probably a nice to have thing but if you've got north-facing windows you probably won't need it so you had a way to do it I'm just going to show you our workshop so I'm on google maps i switch to google earth which gives us a better picture of what's going on and as a zooming to our workshop we've actually got a garden studio just here and the windows face north east and west it said you've got windows on three sides the office that we work in so and what happens is the Sun rises in the east here and it sets in the west here so our office is divided into two so in the morning the we've got windows on this side so in the morning this side of the office gets really really hot because it's basically coming in through the windows and then in the afternoon this side of the studio gets cooler but this side gets hot so as I say because we've got windows and three sides with still getting lots of Sun if we didn't have those side windows on the left side and on the right and we only had the north-facing windows then we probably wouldn't need an AC we've actually got to acs so yeah we definitely need the ACS because we're getting such a lot of sunshine but as I say if your studio is just got north-facing windows then it's unlikely you would need the cooling ass becht of the AC so hopefully that's a bit of a help if you if you've got south-facing windows then we definitely recommend an AC because for the more or less the whole day you would be getting sunshine as it rises in the east and sets in the west can it kind of curves around here the sunshine does so yeah hopefully that's a bit of a help and just remember wherever you search on Google Maps this is always north this is always south this is always the east and this is always west so hopefully there's a help okay thank you babe

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