How Much Does a Kitchen Extension Cost?

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There is a multitude of aspects to consider when pricing a kitchen extension. Sure, there’s the budget for the extension but what about the many fittings and their associated costs?

When comparing the kitchen extension cost with the many benefits, it definitely is worth it because of the value it will add to your property should you wish to sell or flip the property in future.

In addition to building costs and professional fees, there may also be the cost of applying for planning permission and getting building regulations approval from your local authorities.

This is all the information you need to achieve a kitchen extension while ensuring you set a realistic budget that is easy to adhere to.  

How much are kitchen extension costs?

kitchen extension planning

These costs may differ but generally, you’re looking at the following expenses:  

Single storey extensions:

  • With single storey extensions, you’re looking at around £1,500 per m² for building work for a basic extension 
  • High specification finishes can push costs up to £3,000 per m²
  • A more unique extension, with tailored windows and doors, will cost anywhere between £1,900 – £2,200 per m²  
  • Redesigning work is likely to cost anywhere between £500 – £900 per m²

Planning a conversion? If so, these are the fee you can expect:

  • Cellar conversions cost anywhere between £1,100 to £1,900 per m²
  • A new basement conversion can cost up to £5,000 per m²
  • Converting a garage into a kitchen will cost anywhere between £1,000 – £1,250 per m²

How much does do the relevant professionals for a kitchen extension cost? 

kitchen renovation in process

  • Design fees for a kitchen extension can cost up to 7% of the overall build cost
  • Planning drawings will cost anywhere between £2,300 – £3,500.
  • Depending on the size of the property, a calculated survey of the existing house will cost anywhere between £600 to £1,500
  • The fee for getting an architect to draw plans that are adequate to build seamlessly from will usually cost anywhere between £2,400 to £3,600 – this typically includes regulations approval
  • For a structural engineer, the fees may range from anywhere between £500 to £1,000

Naturally, you will want to keep the price down on your kitchen extension as much as possible. This is the case for any extension. A kitchen extension cost is essentially affected by the complexity of the proposed build; keeping it simply makes things cheaper.

You can achieve this by avoiding peculiar room shapes because materials and labour will end up costing you much more.

Generally, you can expect to spend between £1,400 – £1,900 + VAT in and around London and £1,200 and £1,500 + VAT per m² elsewhere on most ground floor extensions. As a result, you could see up to 10% more value added to your property. It’s not hard to see why a kitchen extension is a substantial investment.

The above kitchen extension costs are average amounts and will most likely differ from extension to extension. What we can promise is that we will beat these kitchen extension costs, helping you save, yet still providing you with quality service. Looking to install a small kitchen in your loft? This guide should give you an idea of which direction you could go.

If you’re looking for construction companies in London, then get in touch with us for a no-obligation quote.