Cost of 2 Storey House Extension

nickyjacob

Does anyone have a rough idea of how much it would cost to build a 2 storey extension.
Including architect, planning cost and all labour.

Tipsy Mac

nickyjacob wrote: »

Does anyone have a rough idea of how much it would cost to build a 2 storey extension.
Including architect, planning cost and all labour.

What size?

muffler

Depends on size (yes, it does matter ) and location. You could factor for anything between €70 - €120 with architects fees around 6% - 10% of your building costs.

laurak265

Thinking of starting a 2 story extension myself. Going to price it direct labour and hope to get it all done around 100k fingers crossed. Cheaper to get block layers, plasters, electrician and plumber yourself and order the materials yourself rather than getting a contractor. I'll be putting in a new kitchen and bathroom for that amount too.

muffler

Keep us updated.

laurak265

Will do!

togota

Hi,

I was just going to open a new thread, but decided to continue here in case some of you are still following this one.

We are also just about to finish our 2 storey extension plans before going to planning and get quotes. The house is an old council house (end of terrace), currently with around 80sqm in total. The size incl. extension would be around 180sqm.

The extension will include 1 new kitchen with new dining/living room (open plan), 1 new big bathroom, 1 small bathroom, utility and new master bedroom (en-suite).

We also need to upgrade / get a new heating system (hopefully incl. alternative heating options) and do some new partitioning, flooring, insulation (incl. attic) and wiring in the existing house.

We would need a new foundation to the side and back of the house (around 70sqm) with Pipe & Plumbing for kitchen/bathrooms/utility.

We have not asked any builder yet. I would just like to ask if anyone can give us an idea how much we need to budget for in the current market. According to this thread and others you would need to budget for around 1000Euro per sqm in total? Is that correct? How much of that would be labour/material?

Would you recommend to go to ONE builder or to go for direct labour or ...?

Sorry too many questions.... ;-)


Thanks for your posts!

togota

I should add that we live in South County Dublin!

RKQ

togota wrote: »

The extension will include 1 new kitchen with new dining/living room (open plan), 1 new big bathroom, 1 small bathroom, utility and new master bedroom (en-suite).

No offense but 3 new toilets in an extension seems alot, why so many?
Save a few bob by cutting down. Can you incorporate a "Jack & Jill" bathroom?

Bathrooms, Kitchen, tiling and floor coverings can cost alot. Always have a few grand aside to cover unforseen expenses, in an old house - plumbing, rot, wiring etc.

I'd say Dublin area would be dearer than other parts of the country, so still upwards of approx €100 sqft, at least. Get a least 3 quotes for everything.

A Building Contractor is advisable, as it seems a relatively big extension at over 100% increase in floor area. A Contractor should also be quicker.

Only consider Direct Labour if its relatively straight forward, you have professional advice & regular inspections and you are an excellent manager - lots of orders for materials on site on time!

togota

Thanks for your reply! A 'jack & jill' bathroom might be a good idea. I should have mentioned that the existing bathroom will become part of the new upstairs hall so all bathrooms will be in the new extension. We'd like a main bathroom, a downstairs toilet and an en-suite.

It's a boxy design so the whole built should be pretty straight forward. No carrying walls have to be altered. Well we will need new windows and a new/upgraded heating system as well.

I assume that your estimate is including appliances?

thx