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How to Budget For and Manage Building an Extension

If you’re planning to extend your home, you’ll need to know how to budget for and manage the project. The costs involved can quickly spiral out of control if you’re not careful. It’s important to budget for a 10% to 15% overspend for unexpected costs. It’s also a good idea to research architects and contractors before you sign a contract. Taking time to research and compare their proposals can help you decide on the most cost-effective approach.

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As you plan a second bedroom or additional living space, you’ll need to think about whether you’ll need plumbing fittings. If it’s a second bathroom, you’ll need to decide on what you want to add. It’s important to factor in any electrical or plumbing requirements in your budget.

It’s important to set aside a budget for a home extension, as you can easily get carried away and end up over budget. You’ll need to prioritise your list of must-haves and nice-to-haves and allocate 20% of your budget for services and decor. This way, you can still afford to make a few decisions that are within your budget. And don’t forget to set aside a small contingency fund for unplanned expenses, so that you can cover them if they arise. There are not many projects that go without some kind of hitch at all! For more information on Oak Extensions, visit a site such as

When planning your extension, it’s important to set a realistic budget. The price of materials and labour will vary. Depending on what you want, you may need to compromise on quality. So make sure to make a reasonable budget before you start. Always remember to set aside a percentage of the overall cost for additional materials and decor. If you’re not sure, you can always ask your contractor for advice.

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When planning a home extension, you’ll need to decide which parts of the project to budget for. For example, you’ll need to spend more money on structural components, while you’ll need more space for the interior. Then you’ll need to decide on which elements you’ll spend more money on. When you have the size of your budget set aside at least a quarter of the project’s total.

When planning an extension, keep in mind that you can change the interior as needed. You can also modify the design of the exterior to make it look more appealing. The interior of your home is not a construction project, so the design and interior must match your needs and preferences. When planning an extension, don’t forget to factor in the space you will be taking away from the garden. In fact, you might want to remodel it as part of the project, so don’t forget to include the cost of your garden in any proposed project budget.



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Henry Doe is a seasoned DIY enthusiast and home improvement, blogger. With over 10 years of experience in renovating his own home, he has honed his skills in carpentry, plumbing, and electrical work. Henry's passion for creating beautiful and functional living spaces has led him to share his knowledge and experiences with his readers through his blog, "Home Sweet Home DIY." His goal is to inspire and empower homeowners to tackle their own home projects, big or small. When he's not hammering and sawing, you can find Henry hiking in the mountains or sipping on a latte at his local coffee shop.