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Hmmm thanks all, opinion seems to be split on this one so guess ill toss a coin!

Yeah thats what i thought. one slight issue is that I already re-floored 3 of the upstairs bedrooms before i found out it was one pipe - so bloody annoying!

Hello, I have a one pipe central heating system with an 18 year old non-condensing boiler in my house. It all works fine however I am about to redecorate my enitre house including laying new solid wood floors throughout. So Im after some advice as to whether I should have a new two pipe...

Thanks, I didnt go down far enough to see the internal brickwork but there is nothing visbile on the outside walls. we have just bought the house - its early 1970's and Id say the cracks have been there for some time. Think the answer it to rack it out right down to the brickwork as...

Hello, I have recently patched up and painted a room only to find several foot long cracks which start from the window corners have reappeared just 2 days later. I removed about 1 cm thickness of plaster before re-plastering the cracked areas before painting. My question is do i need this...

Hello, I have recently patched up and painted a room only to find several foot long cracks which start from the window corners have reappeared just 2 days later. I removed about 1 cm thickness of plaster before re-plastering the cracked areas before painting. My question is do i need this...

Instead of moving them I will stick LED's in there. They shoudl be fine as they dont give off much heat.

OK thanks - do the regs allow 100% of the total Amperage then. Also would be interested on your comments on the below from http://www.dusklights.co.uk/technical-advice/fitting-downlights.html which says 33% can be added due to diversity. The calculation would be: Total Watts ÷ Voltage =...

Many Thanks Taylor - good to see some people can be helpful. The instructions def only mention a 100mm gap from insulation and a 0.5m gap below the light - nothing about joists or wood, however I do think have no choice but to move them now

Well you know sometimes I like to take a chance in life and live on the edge...plus I fitted them to the manufacturers instructions

Thanks for the usful comment - most of them where already fitted by previous owner you nobjockey. Can anyone who knows what they are talking about tell me the maximum Wattage allowed on a 5 AMP lighting circuit?

He said I should ask on this website. I felt the heat coming from the lights - although the actual lights get very hot i can easily hold my hand next to the light fitting and feel hardly any heat at all so Im pretty sure its not going to set a joist on fire

They will not be on the same time and yes i could easily switch to 35w bulbs

OK Thanks, So I need to rmeove some lights - What is the maximum Wattage I should have on this circuit? Ive tried looking it up and I cant find anything. Ive seen some guidlines that say you can go over the amperage on lighting circuits - I think this is called diversity and allows you to...

Sorry another post. I have a 5 amp downstair light circuit that is now loaded with the below: 12 x 60 w normal bulbs 23 x 50 w halogen total watts = 1870 1870 / 230 = 8.13 Amps ! However Ive had all the lights on at once at so far, so good. Is this ok?

Have just installed 15 downlights (50w) in my kitchen. Some of them are very close the the joist i.e. the downlight casing is right next to it , although the light does not touch the joist. The instruciton manual says I must maintain 100mm gap between unsulation but does not mention joists at...

yeah it is actually getting hotter now after 30 minutes so i suspect you are right. It was probably a bit sluggish before but is now more noticable...what's a full bore rad valve? I just picked up a standard one from wickes BTW..before i lay a new woooden floor do you think I should I...

The top is getting luke warm

OK am thinking it must be the pipework and maybe it was just luck that it used to work! Not sure I have a TRUE one pipe system as the house is from the 70's has a c/h pump. However the pipework looks the diagram below in the below link. Does a spur like this work? now i think about it there...

OK...Have just tried that suggestion of switching both valves off etc. I filled a bucket form each pipe, couldnt see any evidence of air and the radiator is still not getting hot now it is back on again! This is dirving me mad....