Cost to build blockwork by builder?

D

Delfagio1

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Does anybody know how much it would cost for a blocklayer to build a house.

1). All our downstairs walls will be 4" block on their flat as they will support precast Concrete 1st floor slabs
2). The outter leaf of the external walls will be 4" block on their edge
3). The 1st floor walls will be 4" blocks on their edge also
4). The house is a story and a half style house
5). Our house is 250m squared

Do blocklayers charge per block or by the day?

Any help will be great thanks.

Steve
 
sometime last year i paid 10800, 2 storey house, used the pre cast floor also , set price at start for the job 240 sqm
 
Delfagio1 said:
Does anybody know how much it would cost for a blocklayer to build a house.

1). All our downstairs walls will be 4" block on their flat as they will support precast Concrete 1st floor slabs
2). The outter leaf of the external walls will be 4" block on their edge
3). The 1st floor walls will be 4" blocks on their edge also
4). The house is a story and a half style house
5). Our house is 250m squared

Do blocklayers charge per block or by the day?

Any help will be great thanks.

Steve
Click to expand...

your inner leaf doesnt have to be 4" on flat if you use a 'wideslab' instead of 'hollowcore'.... the majority of domestic builds are built this way these days... hollowcore was more popular perhaps 10 years ago....

id look into this as it can mean significant savings for you...
 
Might I suggest that the difference in cost between using blocks on flat and blocks on edge would be significant enough that the OP could save money by engaging a structural engineer to spec wall make up. Remember the company that is selling you the flooring may be biased if they are also selling you blocks
 
Hey Clonboy,

Did you use the widespan precast floor slabs aswell for your build? did they set you back much?
Also was your inner leaf on the edge or on the flat?

Ohh and was your upstairs walls partition walls or block walls?

Thanks

Steve
 
Hey sydthebeat,

So the inner leaf can be 4" on there edge, but do the internal walls within the ground floor need to be on their flat?

If we are building all the upstairs walls in concrete blocks, would all the internal walls and the inner leaf not need to be 4" on there flat to support the upstairs block walls and the widespan concrete floor slab?
 
...they charge by the block. Good blocklayers currently charging 70c/block.

You can get blockwork down to 40-50c/block, but you most assuredly do get what you pay for. That's the disadvantage of blockwork - quality is 'adjustable !'
 
Delfagio1 said:
Hey sydthebeat,

1. So the inner leaf can be 4" on there edge, but do the internal walls within the ground floor need to be on their flat?

If we are building all the upstairs walls in concrete blocks,
2. would all the internal walls and the inner leaf not need to be 4" on there flat to support the upstairs block walls and the widespan concrete floor slab?
Click to expand...

1. The only walls that need to be 4" on flat (or 9") are underneath where two slabs will meet and bear. Generally the slab manufacturers have in-house engineers who will specify what walls need to be 9", making sure to specify as minimum as possible.

2. No. again this is an engineering question, but in general, for a two storey build, theres absolutely no problem with 4" on ground and first fllor external inner leafs. Where the slab bears on the inner leaf, the first floor blockwork starts on the slab.... where the slab doesnt bear, the blockwork is carried through.
 
4" Block on edge - €1.20
4" block on flat - €1.00
Block in foundations - €0.85
Cavity blocks - €1.25
Brick - €0.85

I work as a Chartered QS and this is the going rate at the moment for Dublin. Maybe take off 5% for outside of Dublin. However, be careful of blocklayers charging 0.50c/block. You need to take quality into account and any good blocklayer will not work for this. I know the plasterer can cover up alot of mistakes for follow on trades but at the end of the day good standard of blockwork is essential.
 
Patrick2008 said:
4" Block on edge - €1.20
4" block on flat - €1.00
Block in foundations - €0.85
Cavity blocks - €1.25
Brick - €0.85

I work as a Chartered QS and this is the going rate at the moment for Dublin. Maybe take off 5% for outside of Dublin. However, be careful of blocklayers charging 0.50c/block. You need to take quality into account and any good blocklayer will not work for this. I know the plasterer can cover up alot of mistakes for follow on trades but at the end of the day good standard of blockwork is essential.
Click to expand...

Patrick - good grief, those rates are shocking ! Maybe it's a Dublin thing, but there is no-one getting anything like those rates this side of the Shannon. €1.20 a block ??!! Maybe in 2006, but that price is miles out. You should be working of 0.70-0.80/block these days.
 
Thanks Patrick,

Are silent joists those new engineered I-beam joints made from engineered wood? that dont creek or lose its strenght?

Ill check them out and look into it.
Would they not work out in and around the same cost as Widespan Slabs.
By the time you buy the joists, and get a carpenter and labourer to fit them, plus the time factor of installing them compared to approximately a day to fit the widespan slabs.
 
Thanks Galwaytt,

So much less than 70c/block and you could get slopping or poor quality of blockwork, but anything over 90c/block and you would be getting ripped off money wise.

So in a nutshell, we are looking somewhere in between 70 and 90c/block, to be insured we are getting a good quality build

Thanks Galwaytt
 
Delfagio1 said:
Thanks Galwaytt,

So much less than 70c/block and you could get slopping or poor quality of blockwork, but anything over 90c/block and you would be getting ripped off money wise.

So in a nutshell, we are looking somewhere in between 70 and 90c/block, to be insured we are getting a good quality build

Thanks Galwaytt
Click to expand...


That's a good target, and I'd tell them upfront you'll be watching like a hawk. Sloppy joints etc, and tell them they'll be re-doing it, or taking a hike ! I had some blockwork done this 'summer' :rolleyes: , and I got really good blockwork for 80c.
 
Delfagio1 said:
Thanks Patrick,

Are silent joists those new engineered I-beam joints made from engineered wood? that dont creek or lose its strenght?

Ill check them out and look into it.
Would they not work out in and around the same cost as Widespan Slabs.
By the time you buy the joists, and get a carpenter and labourer to fit them, plus the time factor of installing them compared to approximately a day to fit the widespan slabs.
Click to expand...

Here's what we use - as you can see, they allow follow-on trades (HRV) vent in beam shown, to pass with ease.

Very strong, very quiet, but they do cost more than cut timber or I-Joists.




This pic shows one (sorry for quality - phone camera, bad light) with services within:
 
galwaytt... as an aside... have you had any blower tests done yet on your sip houses... can you share any results?? ;)
 
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