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Pensions · SIPP

SIPP commercial property: the mechanic

A Self-Invested Personal Pension can directly own commercial property. For business owners and small partnerships, this can be powerful: the pension owns the office or warehouse, the business pays rent (tax-deductible) into the pension, and the pot grows tax-free. Here's the 2026/27 mechanic, the eligibility rules, the lending limits, and the traps to avoid.

5-minute read

A SIPP can directly purchase commercial property — offices, warehouses, retail units. Residential property is not allowed (extreme penalties apply). The SIPP can borrow up to 50% of its net value to part-fund the purchase. Rent paid by tenants (including your own business) goes into the SIPP tax-free. Property gains inside the SIPP are tax-free. The most common use case: a small business owner buys their company's premises via SIPP, the company pays rent to the SIPP, and the pot grows on rental income + capital appreciation, all tax-free.

What property is allowed

HMRC permits SIPPs to hold:

NOT allowed:

Lending — up to 50% of net SIPP value

The SIPP can borrow up to 50% of its net value to part-fund a property purchase. Example:

The loan is usually a commercial mortgage from a specialist SIPP lender. Interest rates are typically 1–2% above standard commercial mortgage rates. The SIPP — not you personally — is the borrower. Repayments come from the rental income flowing into the SIPP.

The "connected person" trap

You can rent the SIPP-owned property to your own business, but the rent must be at full market value — verified by an independent commercial property valuer. If the rent is too low (subsidising your business), HMRC treats it as an "unauthorised payment" — penalised at 55%.

"Connected person" includes you, your spouse, your relatives, and your business partners. Any rental from a connected party must:

Tax advantages

Three main tax benefits:

Worked example

Small business owner, £500k pension pot, wants to buy £750k office

SIPP pot£500,000
Borrowing (50% of net value)£250,000
Purchase capacity£750,000
Annual rent (at 5% market rent)£37,500
SIPP receives rent (tax-free)£37,500
Mortgage interest (at 7% on £250k)−£17,500
Net to SIPP per year (before capital growth)£20,000

The business deducts the £37,500 rent as an expense (saving ~£9,375 corporation tax at 25%). The SIPP grows the £20k net annually plus any property appreciation, all tax-free. Over 15 years to retirement at 60, this builds substantial pension wealth from the business's own real-estate spend.

Costs and complications

SSAS — the multi-member alternative

A Small Self-Administered Scheme is similar to a SIPP but for company-owned occupational pensions. Multiple business owners (typically family members or partners) can pool funds in one SSAS to buy property. SSAS can also lend up to 50% of its net value to the sponsoring employer — useful for working capital.

For a single business owner, SIPP is usually simpler. For 2–11 directors of an SME, SSAS may be more tax-efficient.

Sources and methodology

SIPP rules follow HMRC's Pensions Tax Manual. For an actual SIPP property purchase, instruct a specialist SIPP provider (AJ Bell, Curtis Banks, Hartley Pensions, Dentons) and a commercial property solicitor. SIPP investment decisions require FCA-regulated advice — see the tax adviser recommendation for the tax-planning side. The methodology page documents sources.

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