The cost of a house extension in Willesden typically ranges from £1,200 to £2,000 per square metre as of 2026. This means a standard single-storey extension of around 20 square...
The cost of a house extension in Willesden typically ranges from £1,200 to £2,000 per square metre as of 2026. This means a standard single-storey extension of around 20 square...
The cost of a house extension in Willesden typically ranges from £1,200 to £2,000 per square metre as of 2026. This means a standard single-storey extension of around 20 square metres could cost between £24,000 and £40,000. Factors affecting the price include the complexity of the design, materials used, and whether you require planning permission or specific building regulations.
It’s crucial to hire builders who are registered with relevant authorities, such as the Federation of Master Builders (FMB) or those who are NICEIC certified for electrical work, ensuring compliance with safety standards. In addition, working with local contractors familiar with the area’s building codes can significantly streamline the process.
Are you considering a loft conversion or garage conversion as well? These can provide additional space, typically costing between £30,000 and £50,000 for lofts, depending on the level of finish and structural changes.
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