EIS CGT Deferral: The Landlord's Exit Strategy

For landlords who want to exit buy-to-let but are deterred by a large capital gains tax bill, EIS CGT deferral relief is one of the most powerful tools in the UK tax planning toolkit. It does not eliminate the gain — but it defers the tax, potentially for many years, while allowing you to redeploy the capital into growth companies.

This guide explains exactly how EIS CGT deferral works for property investors, with worked examples.

The core mechanism

When you sell a buy-to-let property and make a capital gain, you can defer the CGT by investing the proceeds into EIS-qualifying companies. The investment must be made within one year before or three years after the date the gain arose. The deferred gain is not taxed at the time of the property sale — it crystallises only when you sell the EIS shares.

This is not avoidance. HMRC designed EIS deferral to channel private capital into growing businesses. It is used openly, with HMRC's full knowledge, and is entirely legal.

What happens alongside the deferral

The CGT deferral is separate from — and additional to — the EIS income tax relief. So when you invest £250,000 in EIS:

• You defer £60,000 of CGT on the property sale
• You receive £75,000 in income tax relief (30% of £250,000)
• Total tax saving in year one: £135,000
• Your EIS shares are also exempt from CGT if held three years and qualify for IHT Business Relief after two years

That is a substantial first-year benefit on a £250,000 investment.

When does the deferred gain crystallise?

The deferred CGT becomes due when you sell or otherwise dispose of the EIS shares. If the EIS company is sold after five years and you receive £300,000 for your shares, two things happen:

1. The deferred gain of £250,000 crystallises and CGT becomes payable at the rate applicable in the year of disposal
2. The additional gain of £50,000 (the return on the EIS investment itself) is exempt from CGT because you held for three years or more

The deferred gain is taxed at the CGT rate in the year of disposal — not the original year. This can be an advantage or disadvantage depending on rate changes.

The estate planning angle

If you hold EIS shares until death, the position on the deferred gain depends on your estate. In practice, many landlords use EIS deferral not as a permanent strategy but as a mechanism to buy time — to defer the tax while they consider their longer-term options, to allow other planning to be put in place, or simply to invest the capital productively for as long as possible before the tax is due.

Practical considerations

• You do not need to invest the entire sale proceeds: You only need to invest an amount equal to the gain to defer that gain. The rest of the proceeds are yours to use as you wish.
• The investment must be in qualifying EIS shares: Not all investments qualify. Always use a firm experienced in EIS and check Advance Assurance status before investing.
• Timing matters: The EIS investment must be made within one year before or three years after the gain. Plan ahead.
• Take advice: EIS CGT deferral is a valuable strategy but it has complexity. An independent financial adviser or tax specialist can ensure it is structured correctly.