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How Much Does Home Renovations Cost UK?

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Home renovations are no longer mere luxuries. Today, revamping your house has already become a necessity for many reasons. Whether it is to add more space, increase the overall value of your property, or give it a fresh new feel and look, renovations are investments worth your money, time, and effort.

But speaking of investments, these projects aren’t cheap most of the time. That’s why before you make any commitment; you need to know if your budget can afford it and what you will get yourself into in the first place.

How much will it cost you to renovate your home in the UK, then?

The truth is that the answer depends a lot on many factors, such as the specific type of project you want the size of your property, and the quality of work you are looking for, just to mention a few.

Factors That Affect the Cost of Home Renovations

The cost of renovation projects varies from one homeowner to another. No two renovation projects are the same, and many factors can impact the total costs, which include, but are not limited to the following:

  • Age and condition of your property
  • Design, decoration, and furnishings
  • If you’re building a property extension
  • If you need structural work
  • Size of your property
  • The complexity of plans
  • Quality of renovation such as the materials to be used
  • Fees for decorators and painters
  • Your location (labour costs in the South East or London are often higher than those in the North East)

Typical Costs of House Renovations

To help you budget for your renovation projects, here are ballpark figures for different types of work you might want to consider for your home, how each construction contractors prices will vary:

Basement Conversion

A basement conversion is a great way to create an additional room if there are no other means to extend your home. These projects can cost approximately £1,600 for every square metre of the existing basement. Meanwhile, a new basement may cost you around £2,800 for every square metre to dig out and underpin.

New Bathroom

A new bathroom may cost you £6,000 on average. This price may increase depending on the required plumbing and the level of luxury you want.

Central Heating Installation

For new central heating, installation in an average property with three bedrooms may cost approximately £4,000. A property with existing central heating that requires a new boiler will be cheaper. You can expect to spend around £2,700 to replace your existing combi boiler.


An extension is one of the most common home renovation projects. Its costs depend on various factors such as the extension’s size, the required structural work, and your location in the country. For an extension roughly measuring 4m x 6m, the costs range from £26,000 to £34,000.

Garage Conversion

A garage conversion has an average cost of  £6,000, which makes it a very budget-friendly way to increase the value of your property and add more space to your living area.

New Kitchen

You can increase your home’s value to several thousand with a newly fitted gorgeous kitchen. However, expect that it will also cost you a few thousand. A new kitchen can cost you £10,000 to £20,000, although some homeowners can expect to spend more than £50,000.

Loft Conversion

A loft conversion is another way to add value and improve your property. These projects often cost approximately £20,000 but they can always skyrocket depending on the things you want. Loft conversions featuring dormer windows, an ensuite bathroom, and a bedroom can cost you £45,000.

New Roof

Roof replacement is one of the biggest home renovation projects you can ever take on. If your property surveyor advises you that it’s time to get a new roof, you might need to prepare a budget of £4,500 to £12,000, which depends on the extent of the required work and the size of your property. Several factors can also affect this project, such as the need for rafter replacement and the specific types of tiles you want. 

Rot Treatment

Rot is a serious concern in older properties around the UK that are often neglected and even taken for granted. Wet and dry rots are the two types of rot you might encounter. You might need to spend £1,000 to £2,000 to hire a specialist firm that can eliminate rot. There will also be extra costs to replace or repair damaged timber.


Installing average-sized uPVC windows can cost you between £400 and £600.

Home renovation costs in the UK are not definite and specific. Every project is unique with varying costs.

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