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hi all, what's the "best option" (good practice) for rerouting a gas pipe when moving a boiler? the existing pipe goes through the back of the kitchen units (above floor), from under the stairs. as the boiler is set to be moved to the newly built extension, what's the best way to route the...

we're at the final stages of our extension shell, so we have the walls and the roof ready. there's a 3.6m opening for a bifold, no bifold yet. what is the general opinion on plastering the internal walls without weatherproofing the extension first? I can imagine any plaster/skim will dry...

Builder temoved the flue today as they had to build the roof of an extension. Extension is still open (no bifold, joists only), but the flue had to go as it was in the way. Since they removed it, the boiler makes a very loud noise when turned on and it vibrates. A gas engineer is coming...

hi all, just a quick question on screed costs. I agreed a price with a builder for an extension shell (6x3.5m). the price includes the oversite (block/beam), walls, roof and drainage. our agreements was that any additional work I want done on top of that would be paid for separately. examples...

hi all, we're at the stage where we're looking to place an order for a bifold door. the specs are as follows: 3600x2100mm, 4 panels, alu frame, double glazed, standard color, 4-3-1 config I found a visofold 1000 or a korniche on roofingoutlet.co.uk for a pretty decent price. does anyone have...

our builders started work on the floor, they're looking to build up to DPC today. we're going with a block and beam floor, as recommended. they just laid the beams but they're resting on loose bricks both ends. builder said this is fine and they don't have to be cemented in. for the record...

for reasons I'd rather not discuss on this forum, we need to make some slight alterations to our plans. long story short, 3.9m single storey rear extension, flat roof with 2 skylights. we want to open up as much of the existing rear, load-bearing wall as possible. the initial plan involved a...

hi all, we're having an extension built and it's taking a bit longer than initially expected. we had to remove 3 fence panels (concrete posts) to dig and pour the foundation. as a result, there's no fence between us and one of the neighbours. initially they were fine with it, but since it's...

I'm wondering where I can find a copy of the official building regulations. I'm interested in understanding how much support a 6m RSJ needs each end, should I decide to rest it on the walls instead of on columns. The planning portal talks of 150mm each side, but I seem to remember something...

hi all, I just want to validate my thinking about installing a box frame, having spoken to my builder. the extension floor slab and bricks up to DPC are nearly in place. the builder suggested we prop the floor joists in the existing kitchen and prop the outer wall using strong boys. they then...

Is it posssible to get rid of the ugly, primitive soil vent pipes sticking over the roof by replacing them with a shorter stub stack?

Our extension project is progressing nicely and building control is super happy with the drains and the foundation. We’re laying bricks up to DPC and the idea is to pour the slab ewrly next week. I’ve been given two options by my builder: 1. Compacted aggregate, sand, DPM, insulation...

I have a build over agreement from thames water and I need to remove an inspection chamber and connect two of the pipes in there to create a continuous flow. thames water has something in their guidance about using like for like materials, so clay in our case. I see most people using plastic...

Hi all, Quick question: When you remove a few rows of bricks from above the foundation, to make space for an RSJ bottom beam, you also remove the DPC layer along the length of the removed bricks. How do you prevent moisture from creeping up? Do you add a damp proof membrane in the RSJ slot...

the builders started digging the foundation today, everything is going smoothly. we discovered our private water supply pipe, goes at a 90 degree angle to the trench (it basically crosses it). not sure what material, looks like some sort of metal, around 25-30mm diameter. what's the best way to...

hi, I just received my structural calculations and building regs documents, everything seems fine. I'm jut curious about one concept that I can't completely understand, mainly as a learning moment. the engineer wants a box frame as we're looking to completely remove the ground floor rear wall...

hi everyone, the only thing we're missing in order to start out rear extension project is a build over agreement. we applied on time and as promised, thames water responded fairly quickly. unfortunately, the answer was not positive and I'm not sure how to proceed. long story short, we have...

I just realised we’re about to start works in a week or two and we have a terraced house, but our extension is 4m deep. Building control is ok with our application (building notice), neighbour is ok with the works proposed (party wall), thames water is ok with the drainage (build over...

hi all, I'm drafting a contract for my extension project using a template I found online. everything's going smoothly, but I would want to add two clauses: 1. builders's insurance: imagine they break something, the structure collapses or a child falls in a trench (I'm being creative here): I...

rear extension, I made my own drawings, we're working with building control. I found out there's a public drain in my back garden, foundation will go over it (perpendicular). I am looking to apply for a build over agreement, will this be ok? basically the invert level is at 0.7m (surveyed)...