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Questions tagged [uk]

Questions specific to DIY projects in the United Kingdom. Use with any relevant project tags (i.e. [electrical])

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How to best install cross beams instead of loft legs

I need to board my loft, and maintain the recommended 270mm of insulation depth. The existing joists are 4x2" (giving 100mm depth) so I'm looking at adding the additional 170mm with either ...
Tim's user avatar
  • 791
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1 answer
68 views

UK: Do I need SAPS calculation when changing glazing?

I am having my windows changed as part of a wider house renovation. The house has an existing extension which is approx 20 years old. The single-storey extension added roughly 1.5m across the rear ...
Paul Suart's user avatar
1 vote
3 answers
108 views

How can I connect 4 wires to this light switch?

I'm trying to change the Bathroom light switch. (It is a single switch) Both the light and the extractor are connected to this switch. I have now purchased a new switch that looks like this: How can ...
Houman's user avatar
  • 111
2 votes
2 answers
88 views

How can I reconnect this apparently immovable overflow pipe to the cistern?

1960s house in the UK, possibly original fixtures. We've redone one bathroom, the other is going to have to wait for a few months more, so I'm trying to make good some of the tired old fixtures until ...
BigglesZX's user avatar
  • 137
1 vote
0 answers
65 views

Removing air vent in bedroom - Do I need to re-do it?

My old 1930's(ish) house has an air vent to the outside on one of the walls. We have had new vented windows installed so this isn't needed anymore. I took the vent off the wall, to be greeted by the ...
MCG's user avatar
  • 123
2 votes
1 answer
90 views

How do I wire a a new light switch to old wiring?

The far right (looking from the back) is one way and the left is two way. How would I wire this into a new socket? I presume it’s still the two red live into the 2 way, etc. The new device: The ...
Matt's user avatar
  • 17
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0 answers
66 views

Mounting a floating breakfast bar

I'm making a breakfast bar out of a piece of spare worktop. It is 110cm long and cut to 50cm deep, with a width of 28mm. It will be fixed in a corner of two masonry walls, and the current plan is to ...
user183008's user avatar
0 votes
1 answer
79 views

Restoring a 1930s Hardwood Floor with Dampness Issues Near Hearth

We’re restoring the original hardwood floor in our 1930s semi-detached house and have encountered a dampness issue. The problem area is around the slate hearth, where the wood’s edge is damp. We ...
tedioustortoise's user avatar
1 vote
1 answer
220 views

Unknown L1-COM connection and 2 gang 2 way switch wiring (UK)

I'm trying to replace my 2 gang 2 way light switch with a smart one and getting completely lost in the current wiring and adapting it, I can't figure out why com would connect to L1 or find any ...
user1763295's user avatar
1 vote
2 answers
58 views

What is this trim material used for exterior board above uPVC window?

Recently a small exterior board fell down from above one of the uPVC windows in my house. and even though it mainly seems to have been there for cosmetic purposes I would like to put it back up. The ...
James's user avatar
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1 vote
2 answers
78 views

How to replace strip lights with LED down lights?

I have an old, broken, mains-powered, strip light fixture mounted under a cabinet like this: Is it possible to buy an LED light fitting that I can wire straight in, if I just remove the old fixture? ...
strangerpixel's user avatar
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147 views

How to properly top a parapet wall with coping stones?

I have a flat-roofed extension with a parapet wall (built by previous home owner). The parapet is topped with once weathered concrete coping. The extension is about 15 years old and - I think - the ...
Tim's user avatar
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1 vote
1 answer
65 views

How to add an external appliance into the middle of a lighting circuit?

The previous owner of my house spliced the downstairs lighting circuit to power some outdoor heaters. They ran the twin and earth cable through the exterior wall, and wired it into an external switch ...
Tim's user avatar
  • 791
-1 votes
1 answer
64 views

Replacing flexible hose from 1.5 bowl sink

I have a 1.5 bowl sink in my kitchen. The smaller bowl has a flexible ridged hose that connects to the main bowls drain. As it's a flexible hose it suffers from regular clogging due to the ridged ...
A.Steer's user avatar
  • 119
-1 votes
2 answers
131 views

Electrical outlets that allow different plug types

I am based in the UK. I recently bought an extension cord where each socket accepts different plug types - UK, European, US, Australian - can all be plugged into these sockets. This was a massively ...
Aleks G's user avatar
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-1 votes
1 answer
66 views

What are the best Screws for Brick for guttering (UK Building)

My guttering I inherited when I moved it, finally has been blown off by Storm Henk. What screws/anchors/plugs would be best for re-attaching it on an outside brick wall shown (Brick under the plastic ...
garfbradaz's user avatar
0 votes
1 answer
161 views

By UK electrical standards, can I have two lighting circuits go into the same double switch?

I would like to add an intermediate switch to an existing lighting circuit. I would prefer not to cut a new hole in my wall for a completely separate switch and so my ideal choice is to replace an ...
aghsmith's user avatar
  • 103
-1 votes
1 answer
191 views

Old UK wiring - installing an LED dimmer switch

I am trying to install this LED dimmer switch - https://www.simplyled.co.uk/phoebe-led-intelligent-smart-touch-sensitive-220w-dimmer-switch-wifi/ please note I am not intending to use the 'smart' ...
Chloe's user avatar
  • 1
1 vote
1 answer
206 views

How am I allowed to wire sockets after a fused switch?

I have a double socket in my garage, that is connected to a small consumer unit in the garage, which is fed from a 13A fused switch inside the house, which in turn is fed from a circuit breaker in the ...
Corvus's user avatar
  • 287
1 vote
2 answers
271 views

Which trade deals with extractor fan ducting?

We're getting a lot of damp around the extractor fan, and I'd like the flexible ducting (in the loft) to be replaced with rigid ducting - does anyone know which trade deals with extractor fan ducting? ...
dvniel's user avatar
  • 153
1 vote
3 answers
166 views

Replacing light fitting with a lot of wires

I've tried changing the lighting in a room and I found a set of wires that I don't know to to connect in order to have a live, neutral and earth. Can anyone explain?
Andreea's user avatar
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9 votes
2 answers
1k views

Any debris-tolerant toilet fill valves?

Are there any modern toilet fill valves that can tolerate small debris in the water supply? My old toilet cistern re-filled itself with a traditional ball-cock valve. My new slimline, low-profile ...
ConanTheGerbil's user avatar
0 votes
0 answers
112 views

43A shower installed on 40A RCBO

I recently had a new consumer unit installed (6mo back). The shower is on a Hager ADA140G breaker, 40A rated. However,when replacing the pull cord switch for our shower and doing my research, I ...
EdL's user avatar
  • 101
0 votes
1 answer
57 views

What external options are there to prevent penetrating damp from a difference in ground levels

I have a single skin/solid brick wall garage. It has a problem of penetrating damp due to the external ground level being 2 to 3ft above the damp proof course. Outside is flat ground with a patio on ...
Mark W's user avatar
  • 180
0 votes
2 answers
108 views

Struggling to find an installer to insulate the cavities in my loft [closed]

I'm not a builder or an expert by any stretch of the imagination, so please forgive me in advance. For context, I live in a 1960s mid-terrace 3-bed ex-council house in East Sussex, UK. We have a loft ...
Camsoft's user avatar
  • 159
2 votes
2 answers
125 views

UK ampacity limits for appliance power cord versus house wiring

In the UK, are there higher current limits for short hard-wired appliance power cords than for in-wall wiring? I see for example that a 4mm2 wire requires a 32A circuit breaker. Say you have a 38A ...
jay613's user avatar
  • 41.7k
1 vote
1 answer
302 views

Advice on electrical socket fixing into wood fibre internal wall insulation

Our house has recently been insulated with Pavatex wood fibre boards, with a finishing coat of lime plaster on top. I now want to add more electrical sockets. Standard UK style. Ideally the back boxes ...
Sparrowhawk's user avatar
8 votes
4 answers
2k views

13A UK plug - wiring safety

I have an older tumble drier with a BS1363 13A plug on it. The wires are starting to come out and be exposed. Is this really unsafe? Should I attempt to fix this one or buy a new one? I tried undoing ...
Syntax Error's user avatar
0 votes
1 answer
180 views

Decking height - planning permission needed UK?

We will be having decking built on top of an existing raised patio immediately adjacent to the back of our house. UK Planning laws state that planning permission must be sought if the decking is 30cm ...
Emma858's user avatar
7 votes
3 answers
2k views

What is this small metal cover on my exterior wall?

I have a mid-60s house in the UK, at the front of the property at spanning DPC level there's a small metal cover (approx. dimensions are 1 brick wide and two bricks tall). None of the neighbours seem ...
Max's user avatar
  • 71
3 votes
1 answer
133 views

Cabling problems to consider at 30m

I have just had a workshop built on the side of the house and will be setting the electrics up. The question I have is based on the distance I have going from my mains inlet (via a Henley block) and ...
Shaun's user avatar
  • 31
1 vote
4 answers
766 views

What is electrically wrong with this design to extend a ring circuit?

I want to add an outdoor socket directly through a wall behind two internal sockets, so only a minor extension in terms of cabling distance. However, I also want to run a spur off that outdoor socket, ...
Cosmittus's user avatar
  • 113
0 votes
1 answer
274 views

Are Polybutylene pipes safe & reliable for potable water systems (UK)?

We are having extension work done and noticed the builder has used Polybutylene pipe for all the cold and hot water systems. I noticed on the label it says "Not for sale in America", and ...
Simon P Stevens's user avatar
3 votes
1 answer
183 views

Adding an insulated ceiling to my new build garage

I have a detached, single skin garage that I'm gonna turn into a workshop/hobby space and I'm going to put some insulation in there to make things a little more comfortable. The first thing I'm going ...
Tensketch's user avatar
0 votes
0 answers
252 views

Replacing Honeywell Thermostat (UK)

Hiiii, I'm in the UK and trying to replace an old battered thermostat. I have a Honeywell ST6100A and I'm looking to update to a Honeywell ST9400C. I somewhat naively thought that because it was the ...
Mike's user avatar
  • 1
2 votes
1 answer
558 views

How to add new light to existing 2-way switch

I currently have a 2 way light. I am working with the old Black and Red wires, not the current Blue and Brown. (I am in the UK.) There are 2 switches to this 1 light. Switch A and Switch B In the back ...
IamOnStage's user avatar
1 vote
0 answers
51 views

Damp appearing after flooring was put into ground floor room

This is a UK house build around 1900. The ground floor room had no flooring or carpet, just the subfloor was exposed. We decided to decorate the room with wood laminate flooring with an underlay and ...
quantum231's user avatar
1 vote
1 answer
449 views

Can I run wiring through a plumbing chase?

I have a light switch that needs rewiring. Its an old house with brick walls. The existing cable is lead lined and well and truly stuck into position. I have high ceilings with original plaster coving....
ThatBlokeCalledJay's user avatar
2 votes
2 answers
862 views

Old double socket has two Live and Neutrals terminals, new socket has one?

One side of a dual gang socket in my garage has stopped working, after buying a replacement I can see that the old socket has two terminals each for live, earth and neutral, however the new socket ...
Robot 's user avatar
  • 23
0 votes
1 answer
317 views

UK telephone wiring for smart doorbell? Is it strong rated enough?

I've just bought a reolink wifi doorbell, which says you can use the previous doorbell wiring to connect it up, so long as it's got the right voltage. I'm pretty sure mine currently doesn't as the ...
Russ Wheeler's user avatar
8 votes
3 answers
3k views

UK Light Changing Rose and too many wires

I'm trying to change a UK light ceiling rose in a 1920-30's house and after taking the old rose cover off, the wiring has thrown me. It looks like there's 3 of each live, neutral and earth, and some ...
SpookyHoop's user avatar
2 votes
2 answers
4k views

UK wiring regs - when to use cable clips, and when to use plastic conduit/trunking?

I'm doing some minor re-wiring (220v mains) whilst re-decorating my home, I'm trying to work out when I have to use conduit and when I can just use cable clips Common sense says to use conduit to ...
ConanTheGerbil's user avatar
3 votes
2 answers
205 views

How to cool an east-west mid-terrace house in UK

I live in a mid-terrace house (c1900) in the UK that faces east-west (roughly). The front door faces east; back door (opening into garden) faces west. There are no trees on our street. We have three ...
richarddmorey's user avatar
1 vote
3 answers
6k views

What dimensions is a "Size 6 Drill Bit"?

I've purchased some blinds from a UK company and their instructional video says to use a "Size 6 Drill Bit"... except I can't find an agreed definition on what size this is. Number Maniacs ...
Chuck's user avatar
  • 151
0 votes
0 answers
155 views

Replacing broken bathroom fan - mounted in the loft (UK)

I have a small bathroom (8.5m^3) with a (now broken) ceiling mounted, extractor fan. The fan itself is enclosed in a plastic box mounted to a joist in the loft so the bottom face is flush with the ...
Graham Evans's user avatar
3 votes
2 answers
859 views

Is it ok to connect a live conductor to a neutral terminal? [duplicate]

I have changed a light fitting that used to power an adapter for spotlights. When I removed the adapter, I had two cables coming out of the roof each with a earth, neutral, and live wires. The only ...
Lee's user avatar
  • 31
3 votes
1 answer
546 views

Can a garage consumer unit have a 20 A MCB despite being connected back to a 16 A MCB in its upstream consumer unit?

I'm planning to rewire my detached garage to replace an old fuse box and add several more sockets. I plan to get an electrician to swap the fuse box for a modern garage consumer unit and test my ...
Sean's user avatar
  • 183
1 vote
1 answer
206 views

Can I reasonably assume the house wiring from a 32 A consumer unit circuit breaker is rated for at least 32 A?

I want to replace my old hard-wired oven. The old oven requires 1.6 kW whereas the one I want to install requires 3.6 kW. Like the old one, the new one is also intended to be hard-wired. There is an ...
Sean's user avatar
  • 183
1 vote
1 answer
107 views

Internal & External Insulation onto CWI Cavity Wall?

Summary: Can I internally insulate a CWI-filled cavity wall? If I can, and I've done that, can I externally insulate it as well? I have a 1920s-1930s brick built house, with render on the 1st floor (...
Ralph Bolton's user avatar
1 vote
3 answers
1k views

Can tile adhesive be used as grout for a single tile?

We've added a room to the side of our house and an entranceway has been knocked through the kitchen wall into the room. A doorframe is going to be fitted in the entranceway on the side of the new room,...
user163780's user avatar

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