EPC F & G rated properties cannot legally be let since April 2018. Landlords face fines up to £30,000 for non-compliance, making urgent action essential for affected properties.
Current Legal Position
Since 1 April 2018, it has been illegal to let privately rented properties with EPC ratings of F or G in England and Wales, unless a valid exemption is registered.
Key Legal Requirements
- Minimum standard: EPC E (score 39-54) or above
- Application: All new tenancies and renewals since April 2018
- Existing tenancies: Applied from 1 April 2020
- Exemptions: Available but must be properly registered
- Cost cap: Maximum £10,000 spend required per property
Understanding F & G Ratings
EPC F Rating (Score 21-38)
- Typical properties: Pre-1930s uninsulated homes
- Common features: Solid walls, single glazing, old boiler
- Annual energy bills: £2,000-2,500+ for average house
- Improvement potential: Usually significant scope for upgrades
EPC G Rating (Score 1-20)
- Typical properties: Very old, unimproved buildings
- Common features: No insulation, very inefficient heating
- Annual energy bills: £2,500-3,500+ for average house
- Improvement challenge: Often require major investment
Penalties for Letting F & G Properties
Financial Penalties
| Breach Duration | Penalty Amount | Additional Consequences |
|---|---|---|
| Under 3 months | 10% of annual rental income (Min £2,500, Max £15,000) |
Warning and compliance notice |
| 3+ months | 20% of annual rental income (Min £5,000, Max £30,000) |
Publication on public register |
| Continued non-compliance | Additional penalties Up to £30,000 per property |
Potential criminal prosecution |
Additional Consequences
- Rent Repayment Orders: Tenants can claim back up to 12 months rent
- Section 21 restrictions: Cannot evict tenants using no-fault eviction
- Insurance issues: Some policies exclude non-compliant properties
- Mortgage problems: Lenders may refuse BTL mortgages
- Reputational damage: Public register entries visible online
Improvement Strategies for F & G Properties
F-Rated Property Upgrade (Typical Cost: £3,000-8,000)
Priority 1: Essential Improvements
- Loft insulation (0 to 270mm): +10-15 points (£300-500)
- Cavity wall insulation: +10-15 points (£500-1,200)
- Basic heating controls: +3-5 points (£300-600)
- LED lighting: +2-3 points (£100-200)
Priority 2: Additional Measures
- Draught proofing: +2-4 points (£200-400)
- Hot water cylinder upgrade: +3-5 points (£800-1,200)
- Double glazing (if single): +5-10 points (£3,000-8,000)
G-Rated Property Upgrade (Typical Cost: £5,000-15,000+)
G-rated properties often need comprehensive renovation:
Essential Package
- New boiler (G to A rated): +20-25 points (£2,500-3,500)
- Full insulation package: +15-20 points (£2,000-5,000)
- Heating system upgrade: +5-8 points (£1,000-2,000)
- Window improvements: +5-12 points (£3,000-8,000)
Cost-Effective Improvement Pathways
F to E in Under £3,000
Target: Gain 15-20 points
- Loft insulation top-up: +8 points (£350)
- Cavity wall insulation: +10 points (£800)
- Smart heating controls: +4 points (£600)
- LED bulbs throughout: +2 points (£150)
- Total: £1,900 | Result: Solid E rating
G to E with Major Works
Target: Gain 25-35 points
- Replace G-rated boiler: +20 points (£3,000)
- Basic insulation package: +12 points (£1,500)
- Heating controls: +4 points (£600)
- LED lighting: +2 points (£150)
- Total: £5,250 | Result: Good E rating
When Exemptions May Apply
Common Exemption Scenarios for F & G Properties
1. High Cost Exemption
- When: All improvements to reach EPC E cost over £10,000
- Example: Listed building needing expensive sympathetic improvements
- Requirements: 3+ quotes showing costs exceed cap
- Duration: 5-year exemption period
2. Technical Exemption
- When: Improvements technically impossible
- Example: Solid wall property where insulation would cause structural issues
- Requirements: Professional technical assessment
- Evidence: Structural engineer or energy assessor report
3. Listed Building Exemption
- When: Improvements would alter historic character
- Example: Georgian terrace where external insulation refused planning
- Requirements: Conservation officer confirmation
- Scope: Only applies to character-affecting improvements
Immediate Action Plan for Non-Compliant Properties
Step 1: Assess Current Situation (Week 1)
- Review EPC: Confirm current F or G rating
- Check tenancy status: When does tenancy end/renew?
- Legal review: Are you currently in breach?
- Professional assessment: Get improvement recommendations
Step 2: Evaluate Options (Week 2)
- Cost improvement works: Get quotes for reaching EPC E
- Consider exemptions: Assess eligibility for exemptions
- Financial planning: Budget for improvements or exemption costs
- Timeline planning: Coordinate with tenancy arrangements
Step 3: Implement Solution (Weeks 3-8)
- If improving: Book contractors and implement works
- If claiming exemption: Gather evidence and register exemption
- Tenant communication: Inform tenants of planned works
- Compliance documentation: Keep all records for enforcement
Step 4: Verify Compliance (Week 9)
- New EPC: Obtain updated certificate showing E rating
- Exemption confirmation: Ensure exemption properly registered
- Tenant notification: Provide updated energy information
- Record keeping: File all compliance documentation
Funding and Financial Support
Available Grants and Schemes
- ECO4 scheme: Free insulation for eligible properties
- Local authority grants: Vary by region, check council websites
- Energy supplier schemes: Some offer improvement grants
- Green financing: Low-interest loans for energy improvements
Tax Implications
- Capital allowances: Some improvements qualify for tax relief
- Revenue deductions: Repair and maintenance elements may be deductible
- Depreciation benefits: Improvements may reduce taxable profits
- Professional advice: Consult accountant for tax optimization
Tenant Relationships and Communication
Managing Tenant Impact
- Early communication: Inform tenants of planned improvements
- Access arrangements: Coordinate installation schedules
- Temporary arrangements: Budget for alternative accommodation if needed
- Benefit explanation: Highlight lower bills after improvements
Legal Protections for Tenants
- Quiet enjoyment: Minimize disruption during works
- Habitability: Ensure property remains liveable during improvements
- Notice requirements: Proper notice for access and works
- Compensation: Consider rent reductions for major disruption
Long-term Strategy for F & G Properties
Portfolio Assessment
- Identify all F & G properties: Comprehensive portfolio audit
- Prioritize improvements: Worst-performing properties first
- Budget allocation: Spread improvement costs over time
- Professional management: Consider specialist energy efficiency consultants
Investment vs Disposal Decisions
- Improvement economics: Compare costs to property values
- Rental yield impact: Higher efficiency = better tenant demand
- Future compliance: Consider 2030 EPC C requirements
- Exit strategy: Some properties may be better sold than improved
Urgent Action Required
F & G rated rental properties are already illegal to let. Landlords must either implement improvements to reach EPC E, register valid exemptions, or risk significant penalties. Early action protects against enforcement and improves long-term property performance.
About This Guide
This guide was researched and written by the EPC Certificate UK Editorial Team, specialists in UK energy performance regulations. All information is sourced from official government publications, regulatory announcements, and industry best practice guides.