Balcony Solar Installation Checklist

Pre-Installation Assessment

Evaluate balcony orientation (confirm south or southwest-facing)

Assess sunlight hours (minimum 5-6 hours daily recommended)

Identify shade-casting obstacles (trees, buildings, awnings)

Verify balcony structural condition and weight capacity

Check proximity to outdoor electricity outlet (within 10m cable reach)

Photograph balcony dimensions and conditions for records

Research local electricity rates and tariffs

Permissions & Documentation

Review property lease (if leasehold) for solar restrictions

Request written permission from landlord (if renting)

Obtain written approval from managing agent or freeholder (if applicable)

Check building regulations requirements with local authority

Confirm planning permission not required (usually exempt under 4kW)

Notify contents insurance provider of new system

Document all permissions in writing and retain copies

Installer Selection

Obtain minimum 3 written quotes from qualified installers

Verify installer holds MCS certification or equivalent

Confirm installer holds NICEIC Approved Contractor status

Check installer references and online reviews

Verify installer holds public liability insurance (minimum £1 million)

Review warranty terms for panels and inverter

Confirm installer will handle DNO registration

Discuss post-installation support and maintenance agreements

System Specification

Decide on system size (typically 400W for balcony)

Select panel type (monocrystalline recommended for efficiency)

Choose inverter (micro-inverter recommended for balcony systems)

Confirm mounting hardware suitable for balcony (non-invasive preferred)

Review cable and connector specifications (proper gauge and safety)

Confirm all components meet UK electrical standards (BS 7909)

Installation Day

Ensure clear access to balcony (remove obstructions)

Verify electricity outlet is accessible and functional

Be present during installation to monitor progress

Ask installer to explain system operation and safety features

Verify all connections are secure and properly sealed

Photograph the installed system from multiple angles

Request and sign the installation certificate

Obtain warranty documents and registration information

Post-Installation Verification

Verify system is generating power (check inverter display)

Monitor generation for 1-2 weeks to verify performance

Confirm all cables are properly routed and protected from damage

Test system safety features (grid disconnection on power cut)

Visually inspect for any water ingress or weather damage

Download and save installation certificate and warranties

Arrange property inspection if required (leasehold/rented)

DNO & Energy Supplier Registration

Obtain DNO registration form from installer or DNO website

Complete DNO registration with system details and property address

Submit DNO registration within 30 days of installation

Receive DNO registration confirmation and retain copy

Notify energy supplier of system installation

Request Smart Meter installation (if not already installed)

Enroll in Smart Export Guarantee (SEG) scheme with supplier

Confirm SEG payment terms and start date

Ongoing Maintenance

Schedule quarterly panel cleaning (or bi-monthly in dusty areas)

Visually inspect panels monthly for damage or debris

Monitor inverter display weekly to confirm normal operation

Check cables and connections annually for wear or corrosion

Trim vegetation that may cast shadows on system

Track annual generation and savings in spreadsheet

Arrange professional inspection if generation drops significantly