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Grant vortex utility system boiler 26/36 and an Ariston 210 primo cylinder. fully fitted and old boiler and loft tanks removed. Is £ 5250 excessive?. Looks like labour costs are more than for equipment. If reasonable is the above boiler and tank big enough for 19 rads and 2 baths

with ring mains when going from room to room is it OK to come up the wall in a channel then go throught the wall behind the socket, then come out in the other room into a socket, and then carry on the circuit into a channel and down and under the floor boards. or is it best to go through...

whats the best way of fixing a 4 by 4 piece wood to steel lintel, more cosmetic than strength needed, can you get large self tappers, and if so where?

need to bury some armoured cable under concrete, is it alright to run it through blue MDPE pipe which I have spare?. Worried Building Control may worry in the future that someone thinks its a water pipe and cut though it.

do roof trusses such as Donaldsons come pre treated? If not do you have to treat them before you lay the felt?

do roof trusses usually come treated - ie Donaldsons. If not do they need treatment before felt or tyvek put on?

have 50 x 50mm conduit from CU to 40 amp junction box. Space tight in CU, is it acceptable to run 6mm singles from CU to junction box, rather than 6mm T+E, thanks

Understand Part P and Building control and spark involved. new garage electrics two questions please 1. Do the new 17th edition rules apply to garages - ie CU and sockets below 1.2 metres? 2. Is it better to run SWA underground or along the side of a wall - underground more cosmetic but...

Has any one used these for a secure roller garage door, are they weatherproof?. Also for sectional doors are Henderson G60 worth the money

building larger new garage on top of site of old one. builder wants to cut through old floor slab (6 inch) for foundations and leave old slab in place rather than break up old slab and put in hardcore and new floor. is this acceptable?, plans state to put in new floor, will building control get...

in a TN-S earthing system, when you have a supply going via armoured cable to a shed attached to house and that shed has a metal pipe which is in contact with earth This pipe is connected to the armoured connector of the cable - is this sufficient equipotential bonding. Circuit has RCD...

Need a new oil boiler 5 bedrooms 3 bathrooms whats best, combination oil boiler or pressurised tank for hot water whats the best make for oil boilers whats best make for pressurised hot water tanks thanks for help