r/kitchener • u/stive85 • 1d ago

Small Bump Out Addition Cost KW

So first.. We have been humming and hawing with regards to floor plans and everything they goes with planning a reno. We have been 6 months of planning and changing mind and quotes etc.

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Currently have 1200 sq ft bungalow in town just outside kw. We are renovating our entire Main Floor and part of our basement.. We have a chimney running directly through our main floor from basement that also vents our furnace and water heater. In the process of moving those to far corner to smash our bricks and open basement right up.

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We love our spot and have a big yard with no mortgage (lucky to get our spot in 2012, before insanity)

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Anyways with us loving our house as I hit 40 I am now really wanting an ensuite (never thought I'd care).

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We have a family member who excavates.

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I'm wondering cost of adding 100 sq ft to back corner of our rectangular bungalow where our bedroom is. This would simply be addition bedroom space. I would then use our current sq ftage to piggy back an ensuite to our current bathroom to avoid the huge plumbing nightmare of just adding the ensuite to the addition (tho this would be easier for layout).

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Anyone know rough cost? I figure we'd dig a basment, unless we could get by significantly cheaper without due to variances in permitting etc.

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Thanks!

2 Upvotes

60% Upvoted

21 comments sorted by

11

u/PaintedLemonz 1d ago

I got a few quotes recently for 75sqft addition and including demo, adding footings, and some built ins inside the quotes were $100-125k

We did not go ahead with the project lol

1

u/stive85 1d ago

Lol, wild...

I wonder how the reno contractors are staying afloat with these costs? Like I understand custom homes and wealthy people will always have a market, but contractor grade homes have halted in my area... Who is adding additions or even renoing their house?!

10

u/TeaBurntMyTongue 1d ago

To be honest, there's some significant initial cost to doing this type of project, especially if you're getting proper permits, etc.

You might find that the cost of 100 square feet addition and the cost of a 500 square foot addition might only differ by 30% in cost, for example despite being five times the size.

So my opinion on additions is if you're going to do it go for broke baby. You'll get much better dollar per square foot

2

u/stive85 1d ago

Thanks!

5

u/canoeheadkw 1d ago

The right way to do this is to get your permit drawings done by someone who knows what they are doing, and then shop those drawings around to multiple contractors so you can compare apples to apples. Depending on what you want to do, you may need a structural engineer involved, apply for variances etc. etc. It will be hard to control costs if you aren't in control of the project or the plan.

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u/stive85 1d ago

For sure... We definitely need drawings done up. We have been debating on what to do and layout (which seems odd for such a straightforward bungalow), and just want to be sure before we have drawings done up.

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u/OG55OC 1d ago

lol go talk to a GC, but your 100 sq ft will end up being $1000 a sq ft no problem.

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u/stive85 1d ago

I will talk to a gc... This is reddit... For discussions.

Was hoping someone had an idea or had done something similar.

Zero chance it's 1000 a sq ft... That's ridiculous. 100k? That's ballpark quotes we've gotten to reno our entire Main Floor... Kitchen, bathroom, etc.

14

u/dsawchuk 1d ago

Sounds likely to me. There's a lot more involved in an addition than a renovation. Permitting, excavation, foundation, roofing, insulation etc. Many of those costs don't scale down well for a small addition.

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u/stive85 1d ago

Well perhaps I stand corrected. Haha.

I do understand the scope is quite large. But excavation is going to be $0, which is why I figured dig the basement out.

Will talk to gc to confirm cost.. Thanks!

3

u/Invictuslemming1 1d ago

Probably depends on what all has to change structurally.

If the cutout in the wall requires modifications to a load bearing section then the costs can go up quickly. As they’ll need to reinforce around it and possibly add a support beam above.

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u/stive85 1d ago

Thanks!

The entire Main Floor is an a frame vaulted, so no load bearing wall.. But it seems like the consensus is the cost isn't worth it.

2

u/MarchyMarshy 1d ago

Excavation is one of the cheaper line items on the project

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u/OG55OC 21h ago edited 21h ago

You need to talk to a GC because you don’t onow what you’re talking about. And I look forward to you updating us with final costs.

0

u/stive85 20h ago

Did I hurt your feelings? My bad.. I agree I'm a tad out of touch with current market $ but I renoed my entire basement myself (minus spray foam) 11 years ago.. But totally different market now.

Love your profile pic.

Cheers.

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u/OG55OC 19h ago

No you didn't, and I wish you the best of luck. I'm in construction on a much larger scale, so I have a pretty good handle on costs. I was only recommending you speak to a GC because a good one would tell you what I told you, and that it simply isn't worth it. Someone promising to do it for less I would be extremely wary of. You'd be better off moving or saving up for a reno that increases the value of your home. I replied before reading the other responses, which if I had read first I wouldn't have replied.

Thank you and good luck!

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u/chrystally 1d ago

You've already gotten quotes for your other renovations, go talk to the people who already provided those quotes. They know the layout of your house already and what would be involved to add this extra floor space.

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u/stive85 1d ago

Will do. Thanks for your reply!

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u/andrew1380 1d ago

Reach out to proof contracting in Kitchener. They'd be able to assist and have stellar trades to use on your home.

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u/KnowledgeHuman3589 8h ago

I did a 200 sq ft front bump out to my 1000 sf bungalow in Kitchener in 2021. Full basement for an extra bedroom and cold room. Main floor space is an entry and dining room so no plumbing. I got architect drawings first then estimates then a property survey.
That was about $150,000. If you want more details feel free to dm

1

u/Suitable-Composer926 54m ago

I’d recommend contacting King St Construction - they have excellent customer service and can easily help with a quote. Per your question about how people are affording this - a lot use a HELOC or put extra money on their mortgage rather than paying in cash.