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Build Cost Hub

Build a clearer picture of your costs.

Plan your project with build cost guidance and real Bill of Quantities examples. Understand the numbers before you commit to your build, extension or renovation.

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Resources exclusive to Selfbuild+ subscribers
Plan before you build

Make informed decisions from the start.

An accurate cost plan helps you understand what you can afford and gives you a clearer basis for discussions with your design team, builder and mortgage provider.

Understand your costs

Use the published build cost guide as a reference when developing your project budget.

Compare real examples

Explore sample Bills of Quantities for single, one-and-a-half and two-storey homes.

Plan with confidence

Bring better questions and a clearer understanding of costs to your project conversations.

What’s inside

Your build cost resources.

Practical reference material to help you work through the costs of your project. Subscriber downloads are available below when you have access.

Sample cost breakdowns

Bills of Quantities

See how costs are set out across the work involved in a house build, with examples for different house types in Ireland and Northern Ireland.

Single storeyOne-and-a-half storeyTwo storeyPDF
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2025 edition

Build Cost Guide

Refer to the published 2025 build cost rates as you develop your cost plan and discuss the detail with your project team.

2025 cost ratesSpreadsheetXLSX
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The current file on this page is the 2025 cost guide. Use these resources as reference material and obtain project-specific, up-to-date advice and quotations.

Built for self-builders

A better foundation for your budget.

Whether you are at the early planning stage or working through your specification, use the hub to understand cost breakdowns and prepare for the decisions ahead.

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