How much would a kitchen extension cost?
A kitchen extension can significantly enhance your home’s functionality and value.
Understanding the associated costs is crucial for effective planning. Here’s a breakdown of factors influencing the cost of a kitchen extension in the UK:
1. Size of the Extension
The overall size directly impacts the cost. Construction expenses are typically calculated per square metre (m²). As of 2024, average costs are:
- Basic Quality: £1,350 to £1,650/m²
- Good Quality: £1,700 to £2,000/m²
- Excellent Quality: £2,000 to £2,500/m² or more
For example, a 20m² extension of good quality may cost between £34,000 and £40,000.
2. Quality of Materials and Finishes
The choice of materials and finishes significantly affects the budget. Opting for high-end appliances, premium countertops, or bespoke cabinetry will increase costs, while standard fittings can help manage expenses.
3. Location
Construction costs vary by region. In London and the South East, prices are generally higher due to increased labour and material costs. For instance, a kitchen extension in these areas may range from £25,000 to £55,000.
4. Design Complexity
Features such as complex roofing structures, extensive glazing, or unique architectural elements can add to the overall cost due to increased labour and specialised materials.
5. Planning and Professional Fees
Additional expenses include:
- Architect Fees: Approximately 7% of construction costs
- Structural Engineer Fees: £500 to £1,250
- Planning Permission: Around £206 for a single-storey extension
- Building Regulations Approval: Varies depending on the project
6. Additional Considerations
- Utilities: Extending plumbing, electrical systems, and heating can add to costs.
- VAT: Typically, 20% is added to construction services, though some projects may qualify for relief.
- Contingency Fund: It’s advisable to set aside 10-15% of the total budget for unforeseen expenses.
Conclusion
While the average cost of a kitchen extension in the UK is around £30,000, actual expenses can vary widely based on the factors outlined above. Engaging with reputable builders and obtaining detailed quotes will provide a more accurate estimate tailored to your specific project.
Garnet Construction offers specialised services in extensions and renovations. With over a decade of experience, they prioritise design excellence and attention to detail. Contact us at info@garnetconstruction.co.uk or call 0800 433 2393 to arrange a consultation.
