CGT on property transfer - what can I deduct

Hi, I'm in the process of transferring a property over to my daughter and her husband, and have had my attention drawn to potential CGT issues. I've had some online valuations from Zoopla and Nationwide (hope they're ok) and seen a profit of approx £18,000. Looking and the guidelines I'm guessing £15,000 of this will be liable to CGT. I have built a single story extension onto the rear of the property and rewired it, and reading your guidelines I'd hoped that I could deduct these costs from any CGT due, am I reading this correct?

Hi
Yes, the cost of  creating/completing the extension. provided you have evidence, will be an allowable cost.

Hi, thanks for the reply. This work was carried out approx 13 years ago, I do have some receipts but not all of them as work was done mostly be me, but I do have the relevant building control certificates to prove that the work took place. Also would an online valuation from Zoopla be adequate? Thanks

Hi
Yes, the cost of  creating/completing the extension, provided you have evidence, will be an allowable cost.
 

Hi acarey01 Carey,
Please have a look at CG15180 onwards, relating to enhancement expenditure
CG15180 - Expenditure: enhancement expenditure).
It is up to you to choose how you obtain the market value.
If you are unsure of your valuation, HM Revenue and Customs (HMRC) can check it for you.
After you’ve disposed of the asset, complete a ‘Post-transaction valuation check’ form. Return it to the address on the form - allow at least 3 months for HMRC’s response.
Post transaction valuation checks for Capital Gains (CG34)
Thank you.