ᐅ Build the garage yourself or not? Which option is more cost-effective?

Hi, we are currently working on the exterior design and are also considering the garage.

My wife’s uncle, a trained mason, will help us build the garage ourselves.
Our house exterior is made of 36.5 cm (14.5 inches) Ytong blocks.
We plan to build the garage with Ytong as well.
Here we are planning to use 24 cm (9.5 inches) blocks.

Size is 3.62 m x 9.50 m x approx. 255-270 cm (126-106 inches) high, flat roof with a slope to the back.

I have already calculated the amount of blocks and the estimated cost for the blocks alone comes to just under 2000 €.
This is based on the average price found online per block (so no bulk discount or anything).

Of course, I have no idea yet what the large sectional door will cost, the roof, the ring foundation, etc.

We want to build the garage in a U shape directly attached to the house, so that one side is shared and space is saved.

We have received quotes from IMM Garagen for a timber frame garage at €12,600 with an electric door, one window, and one additional door.
This price does not include the concrete slab or plastering.

Then there is a quote from Fink Garagen, also timber, for €15,000, primed but without plaster or concrete slab.

And another for a steel construction garage from Exclusiv Garagen for €8,750, size 3.50 m x 9.00 m.
However, there are not many good reviews about this option.

Do you think building it ourselves with masonry will be better and cheaper?

Thanks in advance.

If I forgot any information, sorry, just ask and I will try to provide it.

You yourself come to about 10,000

305er schrieb:

Do you think it's better and cheaper to build the walls yourself?

If you do all the work yourself, you should be able to stay under €10,000. Foundations, slab, flooring, plaster, electrical work, etc., are additional costs that come on top of every quote anyway.

The electrical work was partially done already, but it doesn’t cost much—just some wiring, outlets, switches, and lights. Neighbors are electricians and would also help with that.

If you have one, do it yourself; it’s usually cheaper when you know what you’re doing.

Length 9.5 m (31 feet) ... is it located on the property line? Then it might be too long.