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
 
 
reduce-carbon-footprint-self-build
Self Build Homes

How to reduce the carbon footprint of your build

Whether you are building a house from scratch or undertaking a major renovation of your home, follow this expert advice to assess and reduce the...
self-build-project-team
Self Build Homes

How to hire the right project team for your self build

Ensure a smooth and stress-free self build process by hiring the right team for your project.
materials-cavity-wall-construction
Self Build Homes

Choosing materials for cavity wall construction

Learn the basics of cavity wall insulation and how you should adapt your choice to meet the requirements of your home's location.
self-build-mortgages
Self Build Homes

Self build mortgages: What to know in 2020

The latest advice for self build mortgages in 2020 could help you to secure the finances to build your dream home.
what-to-check-before-signing-off-your-self-build-project
Self Build Homes

What to check before signing off your self-build project

Make sure you take part in the appropriate checks before signing off your self-build project.
studio-edwards-base-cabin-trailer
Self Build Homes

Studio Edward's cabin offers a fresh perspective on the mobile home

This mobile home concept is an architectural take on the classic caravan.