If you find the mention of filthy lucre distasteful, please consult another page at once. I would hate to upset!
I suppose the very last thing to do when building, is to calculate the total cost; which is what I've now done. Kevin McCloud does it; so why not Cro (sorry; this is a reference to some UK TV prog').
The whole 'tower' caboodle (which is already much more verdant than in the pic), including the connecting wall to the house, the gate, etc, came to €8,390, or £7,500, or $11,900. Had I employed a builder to complete the WHOLE project, it may well have cost €30,000, if not more; and we'd have relinquished all our fun and danger.
I only mention this because it gives some idea of how much it might cost to build one's own house. If one began with a house comprising of SIX times the size of our 'tower' (not a bad size), it would cost less than £45,000.
I didn't skimp anywhere during the process, in fact I made a point of buying the best locally hand-made materials wherever possible, and chose quality over price. As an artisan myself, I always try to buy products made by small, individual, 'craftsmen'.
So, if you're passing this way, do drop in and have a butcher's at the finished 'tower'. You'd be very welcome to a glass of chilled Champagne to accompany what would amount to a very short tour! I shall now not mention the 'tower' ever again (unless it falls down).
p.s. Since the finish, it's been constantly inhabited. Other than a lingering aroma of linseed oil, it really is a lovely room, and the morning view is simply stunning (for which I claim no responsibility). We recently also experienced our first 'tower' night-time storm, the whole effect was wonderful; a true 'son et lumiere'.