The maths on £20,000 — net cost of £12,000 vs £16,000
For a higher-rate PAYE taxpayer earning between £50,271 and £125,140, every £1 contributed to a SIPP costs 60p of net pay. Twenty per cent at source via relief-at-source, twenty per cent reclaimed via Self Assessment. £20,000 in your pension costs £12,000 of net pay. The HMRC income tax bands confirm the rates. For a Scottish taxpayer in the higher band (42% intermediate from 2024/25), the effective net cost is even lower.
The same £20,000 into a VCT now costs £16,000 of net pay. The 20% relief comes off your income tax bill — capped at the tax actually paid that year, and forfeited entirely if you sell within five years. The VCT changes published by gov.uk make the cut explicit: Section 263 ITA 2007 amended, operative date 6 April 2026.
Forty pence of relief versus twenty. That's the headline. The second-order effects make it worse for the VCT.
A SIPP contribution at higher rate gets you £8,000 of relief immediately and grows tax-free for thirty years. A VCT contribution gets you £4,000 of relief and concentrates you in unquoted small-caps that, on average, deliver lower risk-adjusted returns than a global tracker. The relief was the only sweetener. The sweetener got cut.
For a £100,000-earner pushing £20,000 into salary sacrifice rather than relief-at-source, the maths gets sharper still. National Insurance relief at 8% (employee) plus the income tax relief at 40% takes the effective cost of £20,000 in the SIPP down to roughly £10,400. The pension hub walks through salary sacrifice mechanics in detail. There is no equivalent NI relief on VCT subscriptions — they're funded from post-tax, post-NI net pay.