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Last Updated on December 16, 2020

Downstairs Toilet Extension Cost – How Much Is It?

Zac Houghton

Zac Houghton

Construction expert and founder of Loftera.

Did you know that extending your downstairs toilet or bathroom can not only just open up more space in your property, but it can also add significant value to your home when it comes to selling in the future.

In this guide, we are going to take a look at what is involved in a downstairs toilet extension cost and the way is which you can go about getting one that fits your home.

Table of Contents

cost of downstairs toilet extension

Cost of a Downstairs Toilet Extension

In an average UK home, a downstairs toilet extension cost would be somewhere around £1,500 per square metre.

Along with that, you’d have to consider the price of the fixtures and fittings, plus any construction work that will need doing if walls need to be moved (1) or replaced (party wall surveyor cost).

Quality

Extension Cost Per Square Metre

New Sink

New Toilet

Budget

£1,000

£100

£75

Standard

£1,250

£125

£100

Luxury

£1,500

£150

£125

Factors that affect a downstairs extension cost

When it comes to working out a toilet extension cost, there a numerous different factors that will alter what you pay,

Of course, each tradesman will charge slightly differently depending on how long they expect the work to take to complete, as well as these other variables:

  • Quality of fittings: Manufacturers offer many different types and styles of fittings, including toilets and wash basins, all of which will dictate your overall costs. The luxury fixtures tend to be more durable and fit to modern trends, while the budget range will be made of cheaper stuff and follow a more traditional look.
  • Flooring: This particularly fits when we are talking about a wet room extension cost, as its likely to include the price of flooring at some point. Often, customers will forget to include this in their budget and then find themselves surprised when they get the final invoice. From tiles to carpet, or even vinyl, they will all vary in price, so have a good look around before deciding on your final choice.
  • Tiling or Painting: If you are getting a toilet or cloakroom extension cost from a tradesperson, then remember that tiling and painting are a crucial part of any home improvement. Not only do they stop the walls and plaster from becoming damp, but they also give a better finish and look. Like all these things, prices will vary depending on where you buy them from.
  • Air Flow: New windows or extractor fans can be expensive, but they’re needed if you want to keep your new room well ventilated. Read more: sash windows cost & double glazing prices.
  • Accessibility: If your downstairs toilet or bathroom is in an awkward place in your house or is small and difficult to navigate around, this may well increase your costs. The longer it takes for the tradesperson the more your labour times will cost.

Extension Advice

Loftera are experts in home improvements and can put you in touch with the very best tradespeople when it comes to extending any part of your property.

More articles useful for homeowners: 

From a bigger bathroom to opening up your loft space, we’ve got the experience to help you along through your improvement journey.

quote at loftera

Get A Quote For Toilet Extension

Save up to 40% by comparing quotes from trusted builders.