Timber Frame Self Build Cost Calculator

Here is a spreadsheet to calculate the indicative costs of a self build timber frame house.  Please enter the required details (in the shaded outlined boxes) to calculate the indicative cost.  If you have any questions about this calculator then please contact us, call us on 0118 971 2181 or email us.

This is a good initial indicator of likely costs to build your dream home – but remember it’s always possible to look for the best deals to save on these costs.  For example – like using our competitively priced premium timber frame packages.  Also, if you have the time and the necessary skills you could also carry out portions of the works yourself and save even more money on labour costs.

Grand Total Cost of Self Build Timber Frame House



Total Floor Area (upstairs + downstairs) Square Metres
Square Feet
Total Floor Area (square metres)
Shorter Wall Length (metres)
Longer Wall Length (metres)
External Wall Length (metres)


Architect, Planning & Surveys
Architect, planning & building regulations (5% of build cost)
Planning fees
Building Regulations fees
Site survey
Soil survey
Additional surveys required for planning e.g. Environmental
NHBC Premier warranty


Site set up including fencing, WC and storage cabins
Prepare site and remove debris
Excavate foundations and fill trench with concrete
Construct brick and blockwork up to damp proof course
Construct concrete insulated oversite and 70mm floor screed
Soakaways for surface water drainage
Metres of Foul Water Drainage (including man holes)
Metres of Surface Water Drainage (including man holes)
Dropped Kerb


Drives per sq mt (Gravel on sub-base)
Square Metres
Paths and patio pr sq mt
Square Metres
Soft landscaping borders turfing provisional cost


Timber Frame Panels
Select U Value
Internal stud partitioning £1,820
Posi-joists and flooring £5,300
Roof trusses standard per sq mt of sloping area £5,797
Roof Tiles £12,585
Soffit & Fascia £3,400
Roof Dormers £0
Gutters & Drain Pipes £2,263
Outside Wall Covering £17,400
Chimney flu and fireplace £5,568
Fire breaks £348
1st fix carpentry: noggins, door linings, loft hatch & carcassing £1,296
Pipe casings,cupboard carcassing and window boards £1,740
2nd fix carpentry: doors, furniture,skirting, architrave £5,800
Fitted wardrobes with shelves and doors £1,560
Kitchen supply and fix £12,500
Stairs £2,436
Utility room supply and fix £1,392
Plasterboard plus skim plaster £11,954
300mm Glass fibre in roof space £3,380
Ceramic wall tiling Square Metres £1,175
Floor tiling Square Metres £2,835
External Doors & Windows (2 entrance, 2 patio & 16 windows) £23,200
Double detached garage Required £29,000
Decorations £4,872


Heating, Plumbing & Electricity
Plumbing & Heating
Sanitary ware
Electric fittings
Electricity services connection
Water & sewage connections


Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.