Divorce + tax → Pension splitting (PSO/PAO/offsetting)
Pension Splitting Orders on Divorce — PSO vs PAO vs Offsetting
UK divorcing couples have three mechanisms for dealing with pensions: Pension Sharing Order (PSO) under Welfare Reform and Pensions Act 1999 ss.27-51 — transfers an agreed percentage of one spouse's pension to the other, as a clean tax-free transfer creating a separate pension for the receiving spouse; Pension Attachment Order (PAO) — directs a percentage of future pension income at retirement, with no clean break; and Pension Offsetting — one spouse retains the pension intact while other assets (typically property or cash) are offset for equivalent value. PSO transfers do NOT use Annual Allowance and do NOT trigger Lump Sum Allowance / Lump Sum and Death Benefit Allowance for the transferor or transferee.
Last reviewed:
Guidance, not advice. We explain the rules, we don't assess your situation. Always seek financial or tax advice from your accountant, or contact HMRC. Read our editorial scope →
In plain English
Pensions are often the largest asset in a divorce after the family home — frequently the largest asset overall in long marriages. The court has three tools to deal with them. A Pension Sharing Order (PSO) is the cleanest. Under the Welfare Reform and Pensions Act 1999, the court orders that a specified percentage of one spouse's pension is transferred to the other spouse. The transfer is tax-free, the receiving spouse gets a pension in their own name with its own Annual Allowance and Lump Sum Allowance, and neither spouse has to deal with the other again on this asset. Clean break. A Pension Attachment Order (PAO) is older and rarely used now. It directs the pension provider to pay a percentage of the pension income to the ex-spouse when the pension is drawn. The transferor still controls when to draw, the relationship continues, and the order dies with the transferor — leaving the ex-spouse exposed. Pension Offsetting keeps the pension intact with the holding spouse while other assets are transferred to the other spouse for equivalent value. The trade-off is non-pension-vs-pension value comparison — pensions deferred and tax-advantaged, vs cash or property accessible now. Actuarial advice often essential. Valuation matters. Defined Contribution pensions value at Cash Equivalent Transfer Value (CETV) — the cash a transfer would generate. Defined Benefit pensions (NHS, teachers, civil service, armed forces, police) issue CETVs too, but those CETVs significantly understate the value of an inflation-linked guaranteed-income pension. Actuarial input is typically essential for DB.
How it works
Pension Sharing Order (PSO)
Court order under WRPA 1999 ss.27-51 (with effect via MCA 1973 s.24B). Specifies percentage of pension to be transferred — typically 30-50% in long marriages. Pension provider implements within 4 months ('implementation period'). Transferee can either keep credit in same scheme (where allowed) or transfer to their own scheme. Tax-free at transfer point. Receiving spouse gets full personal Annual Allowance and LSA / LSDBA on the credit.
Pension Attachment Order (PAO)
Older mechanism — court directs pension provider to pay a percentage of pension income (and / or tax-free lump sum) to ex-spouse when transferor draws benefits. NO clean break. Transferor controls timing — can defer to deny ex-spouse income. Order dies with transferor — ex-spouse loses income on transferor's death. Largely superseded by PSOs but still occasionally used.
Pension Offsetting
No pension order — pension stays intact with holder. Other assets transferred to non-pension-holder for equivalent value. Requires: agreed pension valuation; agreed offset assets; sufficient non-pension assets in the marital pot. Trade-off: certainty NOW for non-pension spouse vs deferred tax-advantaged growth for pension spouse. Actuarial input often necessary to compare like with like — £200k pension at age 50 is not equivalent to £200k cash.
DC vs DB valuation
DC pensions: CETV equals fund value at valuation date (with some scheme-specific adjustments). Accurate for valuation. DB pensions: CETV calculated by scheme actuary using statutory discount rate. Frequently UNDERSTATES true value of inflation-linked guaranteed income — particularly for NHS, teachers, civil service, armed forces, police pensions. Independent actuarial valuation often essential for fair settlement.
Annual Allowance + LSA on transfer
PSO transfer does NOT use either spouse's Annual Allowance. The transferred amount (called 'pension debit' for transferor; 'pension credit' for transferee) is excluded from input amounts for AA purposes (Finance Act 2004 s.220). For LSA / LSDBA (from 6 April 2024): pension credit received under PSO does not reduce the transferee's £268,275 LSA or £1,073,100 LSDBA — they get their full personal allowances. The transferor's LSA / LSDBA also doesn't change as a result of the PSO debit. Both spouses thus have full personal allowances applicable to the new arrangement.
PSO vs PAO vs Offsetting — comparison
PSO: clean break; tax-free transfer at point of order; both spouses get own AA / LSA on the new arrangement; admin requires actuarial valuation (DB) and provider implementation period. Best for: most divorces with significant pension assets. PAO: continuing relationship; transferor controls timing; dies with transferor; rarely chosen now. Worst-case-suitable for: very specific scenarios where PSO not available. Offsetting: clean break; preserves pension intact; requires sufficient non-pension assets; valuation comparison challenging (deferred tax-advantaged vs current liquid). Best for: cases with sufficient non-pension assets and clear preference of pension-holder to retain pension intact.
Who this applies to + key conditions
- Divorce, judicial separation, or civil partnership dissolution in England + Wales (Scotland differs structurally)
- Pension arrangement within scope of UK pension legislation
- PSO requires court order under MCA 1973 s.24B (or equivalent for civil partnerships)
- Pension provider in position to implement (most UK providers — some legacy schemes have constraints)
- PSO implementation typically within 4 months of order taking effect
Statute + manual references
Primary: Welfare Reform and Pensions Act 1999 ss.27-51 (Pension Sharing Orders) — the corrected statutory basis (NOT Pensions Act 1995 s.28 alone).
Related: Matrimonial Causes Act 1973 s.24B (court power to make pension sharing order); Pensions Act 1995 s.166 (earlier pension-on-divorce framework — pension earmarking / attachment); Finance Act 2004 s.165, Sch.36 para.20 — pension sharing tax treatment; Pensions Act 2014 (LSA / LSDBA framework from 6 April 2024)
HMRC manual: PTM028000+ (pension sharing); PTM099000+ (lifetime allowance and LSA / LSDBA)
Common mistakes + traps
- Treating CETV as accurate value of DB pension — typically significantly understates value of NHS / teacher / civil service / armed forces pensions
- Choosing PAO over PSO — older, riskier, denies clean break
- Offsetting pension vs property without actuarial input — like-for-like comparison difficult
- Forgetting LSA / LSDBA implications when pension credit is taken — transferee gets own allowance, not transferor's residual
- Assuming PSO implementation is immediate — provider has up to 4 months
- Cohabitees: there is NO PSO mechanism — pensions cannot be split. See cohabitation tax gap page.
Worked example
Dr Patricia (NHS consultant, age 52, NHS pension CETV £850k) + James (teacher, age 50, TPS CETV £420k), 22-year marriage
Both NHS / Teachers' Pension Scheme — DB. Issued CETVs understate true value (inflation-linked, guaranteed). Independent actuary valued: Patricia's pension true value £1.4m, James's true value £680k. Total true value £2.08m. Net marital assets ~£2.5m incl pensions; non-pension assets (home £800k equity, savings £100k) total £900k. Marriage long, contributions equal.
- Court awards equal pension split based on actuary valuation. Pension equalisation requires transfer of £360k value from Patricia to James (£1.4m → £1.04m; £680k → £1.04m).
- Calculated as PSO percentages: Patricia's £1.4m × 25.7% = £360k transfer. CETV-basis PSO: 25.7% of Patricia's £850k CETV = £218k credit to James.
- PSO implemented: James receives £218k pension credit (CETV-basis) into his own pension arrangement. Tax-free transfer.
- Annual Allowance: PSO neutral on both Patricia + James AA usage.
- LSA / LSDBA: James gets own £268,275 LSA + £1,073,100 LSDBA on the new arrangement. Patricia retains own £268,275 / £1,073,100 personal LSA / LSDBA.
- Non-pension assets: equalised separately — Patricia takes home (£800k equity); James takes £100k savings + £100k offset from Patricia funded by mortgage refinance.
Outcome: Patricia retains £1.04m equivalent pension + family home (£800k equity). James gets £1.04m equivalent pension + £200k cash. Tax-free PSO transfer; neither spouse uses AA on the split; both spouses have full personal LSA / LSDBA going forward. Clean break achieved.
How this connects to the rest of the framework
FA 2023 s.58 CGT relief does NOT apply to pensions — pensions use separate WRPA 1999 framework.
Pension offsetting often involves transferring property to non-pension spouse — uses s.58 + s.225B.
Scenario set includes NHS-consultant + teacher PSO with actuarial valuation, and offsetting scenarios.
AA framework — PSO is neutral on AA but receiving spouse's AA still constrains future contributions to the pension credit.
International divorce + pension splitting — host-jurisdiction recognition of PSO varies.
Frequently asked questions
What happens if I miss the Self Assessment deadline?+
Do I need an accountant or can I file Self Assessment myself?+
How do payments on account work?+
Is a PSO transfer taxable?+
Can cohabitees use pension splitting?+
What if my ex-spouse's pension is overseas?+
Does the pension credit count against my own Annual Allowance?+
Free + regulated-body resources
- MoneyHelper — pension and divorce →
Free + impartial guidance
- Resolution — pensions on divorce guide →
Family-law specialist resource
- HMRC PTM028000 — pension sharing →
HMRC manual
- Pension Wise (over 50s) →
Free MoneyHelper pension guidance
Last reviewed: