CGT on Property Transfers in Divorce: How the Post-2023 Rules Actually Work

Capital Gains Tax on a property transfer between divorcing spouses turns on one statutory provision: TCGA 1992 s.58. Inter-spouse transfers stay no-gain no-loss for the tax year of separation under s.58(1), then for a further three tax years under s.58(1A) to (1C), and indefinitely under s.58(1D) where the transfer is made under a court order or formal separation agreement. The Finance (No. 2) Act 2023 reform that introduced subsections (1A) to (1D) came into force on 6 April 2023 and applies to disposals on or after that date. Pre-2023 framings (a one-year reasonable-time window, transfers needing to complete within the tax year of separation, a four-year main residence election) are out of date.

This page covers the divorce-specific mechanics with two worked examples, including a full BTL portfolio split. The mechanic for transfers between cohabiting (non-separating) spouses is in our companion CGT on property transfers between spouses guide; the PRR side, including joint-ownership and one-residence-per-couple rules, is in the joint-ownership PRR mechanics page. The rates that drive the eventual CGT bill are in the CGT rates on residential property 2026/27 page.

The post-2023 statutory window at a glance

When the transfer happens	CGT treatment	Statutory basis
In the tax year the spouses last lived together (year of separation)	No-gain no-loss (transferor's base cost passes to transferee)	TCGA 1992 s.58(1) plus s.288 "living together" definition
In any of the three tax years following the year of separation	No-gain no-loss	TCGA 1992 s.58(1A) to (1C), inserted by F(No.2)A 2023 c.30 s.41(2)(6)
At any time, where the transfer is under a court order or formal separation agreement	No-gain no-loss (no time limit)	TCGA 1992 s.58(1D), inserted by F(No.2)A 2023 c.30 s.41(2)(6)
Outside all three windows above, where the spouses are divorced and no formal order or agreement applies	Market-value disposal; chargeable gain on the transferor (s.17 connected persons rule may still apply for related transfers)	TCGA 1992 s.17 plus general CGT framework

The Finance (No. 2) Act 2023 statute itself is at s.41; the operative TCGA 1992 s.58 text, including subsections (1A) to (1D), is at legislation.gov.uk. HMRC's published helpsheet HS281 (Capital Gains Tax, civil partners and spouses) restates the post-2023 position with worked examples.

The s.58 "living together" trigger

The s.58 window opens and closes against the tax year in which the spouses or civil partners last lived together. The definition of "living together" comes from TCGA 1992 s.288: spouses are treated as living together unless they are separated under a court order, by deed of separation, or in circumstances likely to be permanent. A trial separation that the parties resume from is not a separation for s.58; a clear and intended-to-be-permanent move out is.

The tax year of separation runs to the following 5 April regardless of when in the year the separation happened. A move-out on 1 January 2026 puts the year of separation as 2025/26 and the three-tax-year extension window as 2026/27, 2027/28 and 2028/29. A move-out on 31 March 2026 (four days earlier than April 5) still puts the year of separation as 2025/26 and gives the same extension window. The end-of-tax-year boundary matters more than the exact separation date when planning staged transfers.

The s.58(1D) unlimited window opens only when the disposal is "under" a court order or formal separation agreement. HMRC reads "under" narrowly: the order or agreement must require (or specifically permit) the disposal in question. A general order recording a financial settlement is usually sufficient; a vague reference to "future property transfers" is not. Where the order is in draft, the s.58(1D) treatment crystallises at the date the order is finalised, not at the date of the draft.

Private Residence Relief on the family home: s.225B Conditions A, B and C

TCGA 1992 s.225B (Disposals in connection with divorce, etc) lets the departing spouse keep PRR on the former family home for the period between moving out and disposal, even though they are no longer occupying it. Three conditions must be met:

• Condition A: the disposal is made under an agreement or court order in connection with the dissolution or annulment of the marriage or civil partnership, judicial separation, or a separation agreement.
• Condition B: during the period between the date the transferring spouse stopped occupying the property as a main residence and the date of disposal, the property continued to be the only or main residence of the other spouse or civil partner.
• Condition C: the transferring spouse has not, during that period, treated any other property as their main residence by nomination under s.222(5).

Where all three conditions are met, the period from move-out to disposal is treated for PRR purposes as if the transferring spouse had continued to occupy the property as their only or main residence. There is no time limit. The HMRC manual section is CG65356, verified live and current.

Condition C is the practical trap. A departing spouse who buys a new home and nominates that new home as their main residence under s.222(5) loses s.225B on the former family home from the date of the new nomination. Where both PRR positions are needed, the transferring spouse either holds off the s.222(5) nomination on the new home (relying on default deemed-main-residence facts) or accepts that the former family home PRR ends at the new nomination date.

s.225B was inserted by SI 2009/730 with effect from 6 April 2009 and amended by Finance (No. 2) Act 2023 to read "someone other than the individual" in place of pre-2023 language, clarifying that occupation by the other spouse satisfies Condition B even where they remarry or cohabit with a new partner during the period.

The buy-to-let portfolio split: the cluster's open problem

Most CGT-on-divorce guidance is built around the family home. A divorcing couple with a buy-to-let portfolio faces a different problem: how to divide investment properties between two people, each of whom may want some or all of the portfolio, where every transfer affects the eventual CGT on whoever ends up holding each property at disposal.

The s.58 no-gain no-loss treatment makes the transfers themselves CGT-free, within the statutory window. The structural choices that drive the eventual bill are:

• Transfer then sell. Each spouse takes specific properties at the original base cost (s.58). Each spouse later sells at their own marginal rate using their own AEA. This usually wins where one spouse is a basic-rate taxpayer with unused band, or where the two spouses' loss positions differ. The disposals happen at the time each receiving spouse chooses; some properties may be kept long-term, others sold immediately.
• Sell then split cash. The properties are sold by the existing owners (often jointly), and the cash is divided per the settlement. CGT crystallises on the existing owners at their current rates and base costs. Whoever's name was on the title pays the tax. This often wins where the receiving spouse has no other capacity to absorb the gain (no unused band, no AEA available, no losses) and the existing owner is in the same or lower rate position.
• Stage the transfers under a court order using s.58(1D). A large portfolio that takes time to restructure can be transferred property by property over several tax years without losing no-gain no-loss treatment. The s.58(1D) unlimited window means the staging does not have to fit within the three-tax-year extension.
• Combine s.58 transfers with s.225B retention. Where one of the BTLs was at some point a main residence of the transferring spouse (e.g. the family home that has since been let), s.225B can be combined with the no-gain no-loss transfer to preserve PRR on the receiving spouse's eventual sale.
• Watch the SDLT debt-assumption trap. FA 2003 Schedule 4 paragraph 8 treats an assumed share of a mortgage as chargeable consideration for SDLT, even where the CGT-side transfer is no-gain no-loss under s.58. A 50/50 transfer of a £400,000 BTL with a £250,000 mortgage means the receiving spouse assumes £125,000 of debt; SDLT is payable on that £125,000, with the 5 per cent additional dwellings surcharge potentially in scope where the receiving spouse already owns another dwelling. The equivalent rules apply for Welsh LTT and Scottish LBTT.

Worked example 1: four-property portfolio split under a court order

Anna and Ben separate on 1 February 2026 (tax year of separation 2025/26). They own a four-property BTL portfolio:

Property	Original base cost	2026 market value	Embedded gain
Birmingham flat (acquired 2014)	£140,000	£215,000	£75,000
Manchester terrace (acquired 2017)	£175,000	£250,000	£75,000
Leeds semi (acquired 2019)	£195,000	£245,000	£50,000
Bristol flat (acquired 2022)	£245,000	£280,000	£35,000

Anna is a basic-rate taxpayer with employment income of £38,000 in 2026/27 (basic-rate band remaining: £12,270). Ben is a higher-rate taxpayer at £85,000. Both have unused £3,000 AEAs and no capital losses.

The financial settlement, finalised by court order on 1 March 2027, awards Anna the Birmingham flat and the Leeds semi (combined market value £460,000); Ben takes the Manchester terrace and the Bristol flat (combined market value £530,000). The court order falls within the s.58(1A) extension window (the second tax year after 2025/26) and also engages s.58(1D), so both no-gain no-loss routes are available. The transfers complete on 1 May 2027.

CGT on the transfers: nil. Both transfers are no-gain no-loss under s.58 (within the three-tax-year window and under a court order). Anna takes the Birmingham flat at £140,000 base cost and the Leeds semi at £195,000; Ben takes the Manchester terrace at £175,000 and the Bristol flat at £245,000.

Subsequent sale: in September 2028 Anna sells the Birmingham flat for £225,000 with £6,800 of disposal costs. Her 2028/29 employment income remains £38,000.

• Net proceeds: £218,200
• Base cost (inherited from Ben under s.58): £140,000
• Gain: £78,200
• Less AEA (£3,000): £75,200 taxable
• Basic-rate band remaining: £50,270 − £38,000 = £12,270
• £12,270 at 18 per cent: £2,208.60
• £62,930 at 24 per cent: £15,103.20
• CGT: £17,311.80

If the portfolio had been sold during marriage and the cash split, Ben (the higher-rate owner) would have paid CGT on the full gain at 24 per cent: £75,200 × 24% = £18,048, before any AEA pooling. The transfer-then-sell route saves Anna and Ben around £736 on this single property by accessing Anna's basic-rate band, with similar arithmetic available on each subsequent disposal.

Worked example 2: former family home with a Mesher order and s.225B

Carla and David bought a London house in June 2014 for £420,000 and lived in it as their only or main residence until June 2022, when David moved out on a permanent separation. The house was rented out from August 2022 to December 2024 while the divorce was finalised, then re-occupied by Carla from January 2025. The court order, finalised in October 2025, includes a Mesher provision: the joint legal ownership continues until Carla either remarries or their youngest child reaches 18 (whichever first), at which point the house is sold and the proceeds split 50/50.

The trigger event occurs in March 2030; the house sells for £640,000 with £18,000 of disposal costs. Both Carla and David have been higher-rate taxpayers throughout. Total period of ownership for each: 189 months (June 2014 to March 2030).

Carla's calculation (continuous main residence the whole period, save for the August 2022 to December 2024 let interlude):

• Period of ownership: 189 months
• Periods of main-residence occupation: June 2014 to July 2022 (98 months) + January 2025 to March 2030 (63 months) = 161 months
• Final-9-months deemed occupation: already inside the second residence period, no additional months added
• PRR fraction: 161 ÷ 189 = 85.19 per cent
• Carla's share of gross gain: (£640,000 − £18,000 − £420,000) ÷ 2 = £101,000
• PRR exemption: 85.19 per cent × £101,000 = £86,042
• Chargeable gain: £101,000 − £86,042 = £14,958
• Less AEA (£3,000): £11,958 taxable
• CGT at 24 per cent (higher-rate throughout): £2,869.92

David's calculation (main residence June 2014 to June 2022 only, then s.225B retention from June 2022 to March 2030 because the Mesher engages Conditions A, B and C):

• Period of ownership: 189 months
• Periods of actual main-residence occupation: June 2014 to June 2022 (97 months)
• s.225B retention period: July 2022 to March 2030 (93 months) treated as if David had continued to occupy
• Total PRR-qualifying period (including the s.225B retention): 97 + 93 = 190 months, capped at the period of ownership (189 months); David qualifies for full PRR on his share, subject to confirming s.225B Conditions A, B and C
• Condition A: Mesher order is a court order made in connection with the divorce, so Condition A is met
• Condition B: Carla continued to use the property as her main residence (with the August 2022 to December 2024 let interlude reducing Condition B coverage to 70 of the 93 retention months)
• Condition C: David must NOT have nominated another property under s.222(5) during the retention period; assume met

The let interlude breaks Condition B for 28 months. PRR on David's share runs for the actual occupation period (97 months) plus the s.225B-eligible retention period (65 months, excluding the 28-month let interlude). PRR fraction: (97 + 65) ÷ 189 = 85.71 per cent. Chargeable gain: £101,000 − £86,564 = £14,436. Less AEA: £11,436. CGT at 24 per cent: £2,744.64.

Detailed PRR mechanics including the final-9-months deemed occupation and the time-apportionment rules sit in our PRR for landlords guide. The interaction of the s.222(5) nomination rules with the one-residence-per-couple s.222(6) bar is in the joint-ownership PRR mechanics page.

SDLT on divorce-related transfers

The CGT side is governed by s.58; the SDLT side runs separately and has its own rules. Three SDLT-on-divorce patterns come up most often:

• Transfer between spouses under a court order with no chargeable consideration. FA 2003 Schedule 3 paragraph 3 provides an exemption for transfers in connection with the ending of a marriage or civil partnership where the transfer is made in pursuance of a court order. No SDLT, no return required.
• Transfer with mortgage assumption. FA 2003 Schedule 4 paragraph 8 treats assumed debt as chargeable consideration. A transfer of a 50 per cent share of a £400,000 BTL with a £250,000 mortgage means the receiving spouse assumes £125,000 of debt; SDLT applies to the £125,000. The 5 per cent additional dwellings surcharge can be in scope where the receiving spouse already owns another dwelling. The court-order exemption does not override the debt-assumption rule.
• Sale of the former family home, with proceeds split. SDLT is on the buyer, not the seller; no SDLT consequences on either spouse from the sale. Each spouse buys their own next home and faces SDLT on that purchase, with the 5 per cent additional dwellings surcharge potentially in scope where they still jointly own the marital home at the moment of replacement purchase.

The same patterns apply in Wales under LTTA 2017 (Welsh Revenue Authority) and in Scotland under LBTT(S)A 2013 (Revenue Scotland), with the equivalent court-order exemptions and debt-assumption rules. A SDLT-focused divorce treatment sits outside this CGT page; flag for a dedicated companion piece.

The 60-day CGT on UK property return for the receiving spouse

Where the receiving spouse later sells, the 60-day CGT on UK property return applies in the normal way. For a UK-resident receiving spouse, file within 60 days of completion where CGT is due after the AEA, losses and reliefs. For a non-UK-resident receiving spouse (a fact pattern that arises where the divorce sees one spouse relocate abroad), file within 60 days for every UK land disposal regardless of whether tax is due, under TCGA 1992 s.1A and Schedule 1A.

The transfer itself between spouses does not trigger a 60-day return for either side. The receiving spouse's clock starts on the eventual sale to a third party, with the base cost being the original (pre-marriage or pre-purchase) base cost the transferring spouse passed across under s.58. Full mechanics are in our CGT payment deadlines guide.

Cross-border divorce: when one spouse becomes non-UK resident

Where one spouse becomes non-UK resident during the divorce process, three effects layer on top of the s.58 mechanic:

• s.58 itself is not residence-conditional. The no-gain no-loss treatment applies as long as the statutory window is open, regardless of where either spouse lives. The s.288 "living together" definition determines whether the spouses are within s.58; nothing in s.58 requires UK residence on either side.
• The non-resident spouse's own disposal of UK property is in scope of NRCGT. A subsequent disposal by the now-non-resident spouse is reportable on the 60-day return for every UK land disposal regardless of tax due. Rates are aligned at 18 per cent and 24 per cent (residential) from 30 October 2024.
• Split-year treatment affects the s.58 window timing. Where the SRT split-year treatment applies, the date of becoming non-resident in the year affects the AEA position and the rate-band stacking, but does not directly reset the s.58 window which runs against the tax year of separation regardless of mid-year residence changes.

The wider non-resident CGT framework, including the post-Finance Act 2019 statutory architecture and the 5 April 2015 and 5 April 2019 rebasing dates, sits in our non-resident CGT page.

Post-2023 timing decisions worth getting right

Three timing decisions account for most of the practical CGT outcomes on a divorce settlement:

• Date of permanent separation. The s.58 window opens against the tax year in which the spouses last lived together. A separation in late March (just before 5 April) gives almost no s.58(1) tax-year-of-separation runway; a separation in early April gives almost a full tax year. Where the s.58 window matters (especially for staged transfers without a court order), the calendar timing of the separation move-out can be aligned to maximise the runway. Spouses cannot retrospectively choose; they can choose how quickly to formalise the move-out.
• Court order vs three-tax-year window. Settlements that take longer than three tax years to play out need a court order or formal separation agreement to keep s.58 alive. Where the parties expect the financial settlement to be quick (one to two tax years), the three-tax-year window is sufficient and a less formal agreement may suffice for the property side. Where staged disposals are needed (a large portfolio sold across five or six years), the s.58(1D) court-order route is essential.
• s.222(5) nominations on either side. A departing spouse who buys a new home and immediately nominates it under s.222(5) loses s.225B on the former family home from the nomination date. Where both PRR positions are needed, holding off the new nomination or accepting an end date on the former-home PRR is the practical choice.

What is not in this page

Adjacent topics covered elsewhere on the site:

• Non-separation spouse transfers (Form 17, declaration of trust, portfolio rebalancing while still living together): our CGT on property transfers between spouses page.
• Joint ownership and PRR generally (s.222(5) nomination, s.222(6) one-residence-per-couple, joint-tenants vs tenants-in-common interactions): our joint-ownership PRR mechanics page.
• Form 17 mechanics (how to declare unequal beneficial interests for income tax during marriage, not relevant once the spouses separate): our Form 17 pillar.
• Joint tenants vs tenants in common (severance routes used to set up Mesher orders): our JT vs TIC for landlords page.
• CGT pillar (rates, AEA, regime overview): CGT on UK property complete guide.
• Related life events: CGT on inherited rental property (where a separating beneficiary holds an inherited property).

Records to keep

Retain the divorce-specific evidence alongside the standard property records:

• Date of permanent separation (often the start date of the s.58 window); a contemporaneous note in correspondence or a formal letter is sufficient where there is no court order
• The court order or written separation agreement (the trigger for s.58(1D) and s.225B Condition A)
• The actual transfer deed or Land Registry transfer form (AS1 / TR1)
• Written evidence of the s.225B Condition B occupation by the other spouse (council tax records, utility bills, electoral roll)
• Any s.222(5) nominations on either side, with their dates of effect (critical for Condition C)
• Original purchase contract, completion statement, SDLT return and legal invoices (the base cost the receiving spouse inherits)
• Capital improvement invoices during the period of joint ownership and afterwards
• The sale completion statement, disposal costs and CGT calculation worksheet when the receiving spouse eventually sells

HMRC's retention standard for business taxpayers is five years and 10 months from the end of the tax year of the eventual disposal by the receiving spouse. In practice, retain the divorce-related evidence indefinitely, because the receiving spouse may hold the property for many years before disposal and the inherited base cost figure may need to be evidenced decades after the transfer.