Taking on a house extension can be a large project, and managing it properly is essential to ensure everything runs smoothly and stays on budget. If you’re considering project managing the extension yourself, there are a few key steps to follow. In this guide, we’ll walk you through how to successfully manage your home extension, from planning to completion.

1. Set Clear Goals and Create a Plan

Before any work begins, you need to establish clear goals for your project. What do you want to achieve with the extension? Are you looking to create extra living space, a new kitchen, or perhaps a home office? Clearly defining the purpose of the extension will help guide every decision you make.

Once you’ve defined your goals, it’s time to create a detailed plan. This includes outlining your budget, timeline, and key milestones. Be realistic about how long each stage will take, and factor in some flexibility for unexpected delays.

2. Understand Planning Permissions and Building Regulations

As the project manager, it’s your responsibility to ensure that all legal requirements are met. This includes applying for planning permission (if required) and ensuring that the build complies with local building regulations.

In Edinburgh and the Lothians, many extensions can be built under permitted development rights, but larger projects or those in conservation areas may require full planning permission. You’ll also need to organise building inspections at various stages to ensure that the extension complies with safety standards. Avoid delays with our guide on where to start with a house extension. To learn more, check out our blog post on house extension where to start – click here.

3. Select and Manage Your Builder and Contractors

Hiring the right builder and contractors is critical to the success of your extension. Start by gathering multiple quotes and asking builders for references from previous clients. Make sure you choose a builder with experience in similar types of extensions. Learn more about choosing the best contractor in our guide to finding a reliable builder. To learn more, check out our blog post on how to find a builder for your house extension- click here.

Once you’ve selected your builder, it’s important to maintain clear communication throughout the project. Hold regular progress meetings to ensure that everything is on track and that any issues are dealt with promptly.

  • Pro Tip: Keep detailed records of all communication, agreements, and decisions. This will help resolve any potential disputes down the line.
4. Manage the Timeline and Schedule

A major part of project management is ensuring that the timeline is adhered to. Start by creating a realistic schedule for the project, with key milestones for each stage. Keep in mind that delays are common, so build in some extra time for unexpected issues like poor weather, material shortages, or planning delays.

Work closely with your builder to ensure that they are sticking to the schedule. If there are any delays, communicate clearly with your contractors and update the timeline accordingly.

5. Coordinate the Tradespeople

For larger projects, you’ll likely need several different tradespeople, including electricians, plumbers, plasterers, and decorators. As the project manager, it’s your job to coordinate these tradespeople so that they work efficiently together. Make sure each trade knows when they’re needed and ensure they have access to the site when required.

If you’re not comfortable managing multiple trades yourself, you might consider hiring a professional project manager or asking your builder to take on this role.

6. Stay on Top of the Budget

One of the most challenging aspects of managing a house extension is keeping control of the budget. It’s easy for costs to spiral if you’re not keeping track of expenses. Make sure you have a clear breakdown of costs from your builder at the start and ask for regular updates on how the project is tracking against the budget.

It’s also a good idea to set aside a contingency fund (typically around 10-15% of the total project cost) to cover any unexpected expenses. Whether it’s dealing with an unforeseen structural issue or a material price increase, this fund will help keep your project on track financially.

7. Ensure Quality Control

As the project manager, it’s your job to oversee the quality of the work being done. Regularly visit the site and inspect the work to ensure it meets your standards. If you spot any issues, raise them immediately with your builder or contractor.

Make sure all work is completed to a high standard before making any payments. This includes getting sign-off on all building regulations and ensuring that any final inspections are passed.

8. Prepare for Handover and Final Checks

As the extension nears completion, make sure all finishing touches are done to your satisfaction. Check for any snagging issues (minor defects or unfinished work) and ensure they are rectified before making the final payment. It’s also essential to ensure that all necessary paperwork, including warranties and completion certificates, is provided before you officially sign off on the project.

Conclusion

Successfully project managing a house extension requires careful planning, strong communication, and attention to detail. By following these steps, you can ensure that your project stays on time, on budget, and meets your expectations. At Sawmill Contracts Ltd, we offer expert advice and services to help homeowners in Edinburgh and the Lothians create beautiful, functional extensions.

Ready to start your project? Contact us today for a consultation and expert advice on managing your house extension from start to finish.