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    Commercial Mortgage Requirements UK 2026: Full Criteria Guide

    UK commercial mortgages have stricter criteria than residential lending — bigger deposits, longer underwriting, personal guarantees and three parallel affordability tests. Getting it right starts with understanding exactly what UK commercial lenders need in 2026, why they need it, and how to present your business case for the best terms. This guide is the complete commercial mortgage requirements checklist.

    First Rung Now Editorial Updated 15 June 2026 7 min read

    The five core requirements

    1. Deposit / LTV: 25%–40% of property value as deposit.
    2. Company financials: 2–3 years filed accounts showing profitability.
    3. DSCR test: Net Operating Income covers 125%–140%+ of annual debt service.
    4. Personal guarantees: from directors with 20%+ shareholding.
    5. Property suitability: use class, condition, environmental status, lease structure (if investment).

    Detailed deposit and LTV requirements

    Property type Max LTV Min deposit
    Offices, light industrial, warehouses 70%–75% 25%–30%
    High street retail 65%–70% 30%–35%
    Pubs, restaurants 60%–65% 35%–40%
    Hotels, B&Bs 60%–65% 35%–40%
    Care homes 60%–70% 30%–40%
    HMO/semi-commercial 70%–75% 25%–30%

    Financial documentation needed

    • Last 2–3 years' filed company accounts.
    • Last 12 months' management accounts.
    • Last 6 months' business bank statements.
    • VAT returns (most recent quarter).
    • Aged debtor/creditor reports.
    • Director CVs and ownership structure.
    • Personal bank statements for guarantors (3–6 months).
    • Personal asset and liability statements.

    Business plan for owner-occupier cases

    If you're buying premises for your business to occupy, the lender wants a business plan covering:

    • Why you're buying (vs continuing to rent).
    • Existing trading position and forecasts.
    • How the property fits operational needs.
    • Rent saving vs new mortgage cost.
    • Sensitivity analysis (revenue down 20%, can you still service debt?).

    Property due diligence

    • Valuation: commercial RICS valuation by lender-approved surveyor (£1,500–£5,000+).
    • Environmental search: contamination history check (Phase 1 environmental report often required).
    • Planning compliance: confirmation property has valid permitted use and any extensions are properly consented.
    • Energy Performance Certificate: minimum E rating for letting (MEES regulations).
    • Asbestos register: for commercial properties built pre-2000.
    • Fire risk assessment: commercial properties must comply with RRO 2005.

    Lease structure (investment commercial)

    For investment commercial purchases, lender scrutinises:

    • Lease length remaining (5+ years preferred).
    • Rent review structure (upward-only preferred).
    • Tenant covenant strength (rated companies preferred).
    • FRI (Full Repairing and Insuring) lease vs IRI vs Internal-only.
    • Break clauses and how they affect rental certainty.

    Rate landscape 2026

    • 65% LTV owner-occupier office/industrial: 6.50%–7.50% on a 5-year fix.
    • 65% LTV investment commercial: 7.00%–8.00%.
    • Specialist sectors: 7.50%–8.50%+.
    • Commercial bridging: 0.55%–0.85%/month (6.6%–10.2% annualised).
    • Arrangement fee: 1.5%–2% of loan, usually addable to balance.

    UK commercial mortgage lenders

    • Allica Bank, Cambridge & Counties Bank, Shawbrook, OakNorth.
    • Together Money, InterBay, Aldermore, Hampshire Trust Bank.
    • Lloyds Commercial, NatWest Commercial, HSBC Commercial Banking.
    • Specialists: Metro Bank (hospitality), Castle Trust (refurb), United Trust Bank.

    Pros

    • Multiple UK lenders compete for commercial business.
    • Owner-occupier commercial gives long-term cost certainty vs rent.
    • Interest fully deductible against business profit.
    • Capital appreciation belongs to the business.
    • Rental income from investment commercial can be strong.

    Cons

    • Deposit requirements 25%–40%.
    • Personal guarantees almost always required.
    • Underwriting timeline 8–14 weeks.
    • Commercial valuation and legal costs significant.
    • Start-ups face very limited lender appetite.

    Frequently asked questions