Home/Landlord Services/Guides/Legionella Risk Assessment — UK Landlord Cost Guide

Assess Legionella risk.

Landlord-grade Legionella risk assessment — required by HSE guidance, often required by insurers.

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Gas Safety Certificate (CP12) annual.

Every let with gas needs an annual Gas Safety Cert. £80–£140. Without it, you face £6k fines and possible prosecution.

EICR every 5 years (England).

Electrical Installation Condition Report — legally required since 2020 for English rentals. £150–£300 per property.

EPC E+ for lettings.

MEES rules require EPC E or above to legally let. Below E, you can't let. Plan upgrades before listing.

Right to Rent checks.

England-only: check tenant immigration status before move-in. Penalties up to £20k per illegal tenant if you skip this.

Costs & timeline

Know what it costs. Know when it ends.

Indicative UK ranges and what affects price.

Cost range

By job type

Inc. VAT · 2026
Source: NMT quotes
Gas Safety Cert (CP12)
£80–£150
EICR (5-yearly)
£150–£300
EPC (10-yearly)
£60–£120
Inventory (3-bed)
£100–£250
End-of-tenancy clean
£250–£600
Full management (% rent)% of monthly rent
£10–£15
!

Quote spread is typically ± 18% — always get 3 quotes.

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Legionella Risk Assessment — UK Landlord Cost Guide infographic
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Landlord Services explained

Legionella Risk Assessment — landlord duty under HSE ACoP L8. Water system survey. Expect to pay £80–£300 for UK landlord Legionella assessment.

What Does the Work Involve?

City & Guilds or BICSc-trained assessor. Visit property. Identify cold and hot water systems. Check tank insulation, dead legs, temperatures, scale. Risk score. Written assessment with control measures.

Typical Costs

ItemLow (£)High (£)Notes
Single property assessment80200Standard rental
HMO assessment150400Larger systems
Multi-property portfolio (per)50150Bulk discount
Re-assessment (recommended)50150Every 2 years
Water sampling (per sample)30100Optional
Disinfection/clean (if needed)150800Plus assessment
Tank replacement5002,000If non-compliant

UK Regulations

Health and Safety at Work Act 1974. HSE Approved Code of Practice L8. HSG274 guidance. Domestic rentals require assessment.

Frequently Asked Questions

Legally required for landlords?

Yes — HSE ACoP L8 applies. Domestic rentals included.

How often re-assess?

Every 2 years standard. After major system changes. New tenant.

Risk in domestic?

Low typically. Higher in long-void periods, scale, low usage.

Combi boiler protection?

Mostly excludes risk — no tank. Just hot water tap temperatures.

Penalties non-compliance?

HSE fines unlimited. Criminal liability for serious. Civil claims by tenant.

Tenant responsibilities?

Flush taps weekly when vacant. Clean shower heads. Inform of low temp.

This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.

NEWAI Trade Assistant

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