Solar Panels for Landlords: The Investment Case

Landlord solar economics work differently from owner-occupier solar:

Owner-occupier: Saves money directly on their own electricity bills. Clear, simple ROI.

Landlord: Does not directly save on electricity (tenant pays the bills). But benefits through:

1. EPC improvement: Solar typically improves EPC by 1–2 bands. With minimum EPC C expected by 2030 for new tenancies, solar helps future-proof compliance.

2. Property value increase: £1,800–£4,000 added to property value (Energy Saving Trust data).

3. Higher rent potential: Properties with lower running costs can command 3–5% higher rent. On a £1,000/month property, that is £30–£50/month or £360–£600/year.

4. Tenant retention: Tenants with lower bills are more likely to stay, reducing void periods and re-letting costs.

5. SEG income (if applicable): If the landlord registers for SEG and the electricity account is in the landlord's name, the landlord can receive export payments. However, this is complex — see below.

Investment summary: - Cost: £5,500–£8,000 - Property value increase: £1,800–£4,000 - Annual rent premium: £360–£600 - Payback through rent + value: 5–10 years

Source: Energy Saving Trust; MHCLG EPC consultation.

Current rules (2026): - Rental properties must have a minimum EPC rating of E - Landlords face fines of up to £5,000 for non-compliance - EPC must be provided to tenants before a tenancy starts

Expected future rules: - Minimum EPC C for new tenancies: expected by 2028–2030 - Minimum EPC C for all tenancies: expected by 2030–2033 - Fines for non-compliance expected to increase significantly

How solar helps: - Solar panels typically improve an EPC by 1–2 bands - A property rated D can often reach C with solar alone - A property rated E may need solar + insulation to reach C - Solar is one of the most cost-effective EPC improvements available

Important: Do not wait until the rules change. Installing now means: - You avoid a rush (and higher prices) when the deadline approaches - You benefit from improved rent and property value immediately - You demonstrate proactive compliance to tenants and agents

Source: MHCLG Minimum Energy Efficiency Standards (MEES); EPC methodology SAP 10.

This is the most common question from landlords. The answer depends on the tenancy setup:

Scenario 1: Tenant pays electricity bill (most common) - Tenant benefits from reduced electricity bills - Landlord benefits from higher rent potential, better EPC, property value - Landlord cannot directly receive SEG payments unless electricity is in their name

Scenario 2: Landlord includes electricity in rent (all-inclusive rent) - Landlord benefits directly — lower electricity costs mean higher margin - Landlord receives SEG payments - This is less common but simpler for solar economics

Scenario 3: Landlord installs and registers SEG in their name - Possible but complex — the electricity supply must be in the landlord's name for SEG registration - Tenant uses the solar electricity, landlord earns the export income - May require a specific arrangement in the tenancy agreement

Practical recommendation: Accept that the tenant gets the direct bill savings. Your ROI comes through rent premium, EPC compliance, property value, and tenant retention — not through trying to capture the SEG income.

Source: Ofgem SEG eligibility; landlord solar guidance.