Accurate
Accurate and up-to-date costs.
Estimate the likely cost of your new build, extension, kitchen, bathroom, windows or architect fees in one place. Choose a calculator and get an instant estimate using the latest available price ranges.
Self-builders use the calculators to test options, understand likely costs and make more informed decisions before committing to their project.
Accurate and up-to-date costs.
Stated it benefited their build.
Said the cost calculator was easy to use.
Would recommend it to a friend.
Rated the calculators four stars or higher.
Used a calculator more than once.
Select the part of your project you want to cost, enter the relevant details and use the resulting estimate to begin shaping your budget.

Access the latest calculator price ranges with your Selfbuild+ membership.

Answer a short set of questions about size, specification, materials and location.

Review the totals, compare choices and use the estimate as a starting point for your project budget.
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Quick answers about Selfbuild+, what’s included and how your subscription works.
Selfbuild+ is a resource tool for anyone building, renovating or extending their home, with advice, inspiration, guidance and access to exclusive local projects.
You get unlimited access to selfbuild.ie, including The Selfbuild Journey, exclusive project profiles, expert advice, inspiration, podcasts, videos, member newsletters and other subscriber benefits.
You’ll learn how to save time and money when building, renovating or extending, with expert guidance, the step-by-step Journey guide and advice from other self-builders.
When you sign up, you create a Selfbuild+ username and password. You can manage your account, address, card details and cancellation from your dashboard.
At Selfbuild+, anyone undertaking significant work on their home or building new is referred to as a self-builder, whether they manage lots of the project themselves or use professionals.
Monthly and annual subscriptions automatically renew unless cancelled. Annual subscription refunds may be requested within 14 days of the end of a free trial or annual renewal.
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