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
 
 
richard-bacon-mp-right-to-build-legislation
Self Build Homes

MP Richard Bacon: ‘Is Right to Build legislation delivering enough plots?'

Richard Bacon MP highlights the need for local council to deliver more plots to fulfil the Right to Build legislation, on the run up to...
self-build-talks-at-grand-designs-live
Self Build Homes

Unmissable self build talks at Grand Designs Live Birmingham

Make sure you head to Grand Designs Live at NEC Birmingham, so you don't miss these invaluable self build talks over the 5-day event.
10-low-cost-builds
Self Build Homes

10 low cost self build homes

Be inspired by these low cost builds that do not compromise on style or space despite their smaller budgets.
brick-self-build-homes
Self Build Homes

10 brilliant brick self build homes

Find inspiration for building your own house with these 10 fantastic brick self build homes.