We asked self build experts to give us an average calculation of different self build house types so you know how much building a house actually costs in 2019.

Exterior of 'Amphibious' self build house owned by Andy and Nicki Bruce

Image: 'Amphibious' owned by Andy and Nicki Bruce. Photographer: Darren Chung/Media 10 images

For a guide on how much it costs to build a new home, take a look at Nottingham-based practice Julian Owen Associates Architects’ build cost table, based on experience rather than the therorectical calculations used by quantity surveryors. 

*All sizes are approximate for typical self build houses. Build cost per sqm multiplied by typical floor area.

Very small bungalow

exterior of bungalow size house in new forest by PAD studio architects

Image: PAD Studio

  • Floor area: 70 sqm
  • Budget: £87,500
  • Average: £105,000
  • Good: £122,500
  • High quality: £140,000
  • Very high quality: £175,000

Small 3-bed semi

2 of a Kind self build semi detached by Robert Dye and Laura Murdock

Image: 2 of a Kind - Robert Dye - Laura Murdock. Photographer: Jefferson Smith/Media 10 images

  • Floor area: 85 sqm
  • Budget: £106,250
  • Average: £127,500
  • Good: £148,750
  • High quality: £170,000
  • Very high quality: £212,500

Medium 3-bed

Exterior of 'Amphibious' self build house owned by Andy and Nicki Bruce

Image: 'Amphibious' owned by Andy and Nicki Bruce. Photographer: Darren Chung/Media 10 images

  • Floor area: 115 sqm
  • Budget: £143,750
  • Average: £172,500
  • Good: £201,250
  • High quality: £230,000
  • Very high quality: £287,500

Average 4 bed

exterior of norwich grand designs tv house by natasha cargill

Image: Norwich Grand Designs TV House - Natasha Cargill. Photographer: Darren Chung/Media 10 images

  • Floor area: 140 sqm
  • Budget: £175,000
  • Average: £210,000
  • Good: £245,000
  • High quality: £280,000
  • Very high quality: £350,000

Good sized 4-bed/small 5-bed

average 4 bed self build house: exterior of wedge house owned by melanie and john robinson

Image: Wedge House - Melanie & John Robinson. Photographer: Mel Yates/Media 10 images

  • Floor area: 180 sqm
  • Budget: £200,000
  • Average: £240,000
  • Good: £280,000
  • High quality: £320,000
  • Very high quality: £400,000

Average 5-bed

The exterior of award winning Grand Designs TV house in Lewes East Sussex on River Ouse, photo by Matt Chisnall

Image: Lewes, East Sussex Grand Designs TV House, owned by Stephen Yeomans and Anita Findlay. Photographer: Matt Chisnall

  • Floor area: 180 sqm 
  • Budget: £225,000
  • Average: £270,000
  • Good: £315,000
  • High quality: £360,000
  • Very high quality: £450,000

Large 5-bed

'Mothership' Grand Designs TV self build house owned by Martin Walker

Image: Mothership Grand Designs TV house, owned by Martin Walker, Jefferson Smith/Media 10 images

  • Floor area: 200 sqm
  • Budget: £250,000
  • Average: £300,000
  • Good: £350,000
  • High quality: £400,000
  • Very high quality: £500,000

 

How much did your self build cost? Share with us by tweeting us @granddesigns or post a comment on our Facebook page.

 

For more advice on starting your own self build, pick up our latest bookazine, Self Build and Renovating, out now.

 

MORE ARTICLES

How to find a plot: the complete self build guide

7 top tips to building your dream home

More on self build

Kevins Column

Top self build highlights at Grand Designs Live 2019 hosted by Kevin McCloud

Find top experts, specialist exhibitors and a wealth of inspiration for your self-build or renovation project all under one roof.
visit-award-winning-grand-designs-live-hosted-by-kevin-mccloud
 
 
modular-homes
Self Build Homes

10 amazing modular homes

From a Baufritz seaside beauty to a Huf Haus mega build, we've rounded up 10 cleverly designed modular homes to inspire your self build project,...
custom-build-guide
Self Build Homes

What is custom build?

Becoming more available in the UK, custom build is a popular and easier self build choice. Tom Connors highlights how to find a plot, finance...
working-with-architect
Self Build Homes

5 top tips for hiring and working with an architect

We spoke to HomeOwners Alliance to get some advice to hep you decide on whether you need an architect, the hiring process and how to...
self-build-cost
Self Build Homes

How much does it cost to build a house?

Ever wondered what a self build project might cost you? We asked self build experts to find out the estimated cost of different sizes and...
plot-finding-resources
Self Build Homes

Find a plot for sale: The best resources

From land listing websites to Rightmove and Zoopla, we round up the best ways to find a plot of land for sale for a self...
how-to-build-your-dream-house
Self Build Homes

7 top tips to building your dream home

We reveal the 7 key steps to self build success, from budget to finding plots.