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How to Choose and Work With Solar Panel Installers on MyBuilder

By Elena Carter3 min read 1,782 views
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How to Choose and Work With Solar Panel Installers on MyBuilder

What MyBuilder Is and Why It Matters for Solar Installations

MyBuilder is a UK‑based online marketplace that connects homeowners with vetted tradespeople. For solar panel projects, it offers a transparent way to compare installers, read verified reviews, and request quotes—all within a single platform.

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Step‑by‑Step Guide to Finding Solar Panel Installers on MyBuilder

Follow these five steps to locate qualified installers and secure a reliable quote.

1. Create a Detailed Project Brief

Include roof type, orientation, square footage, existing electrical capacity, and any planning constraints. The more specifics you give, the more accurate the quotes you'll receive.

2. Search Using Targeted Keywords

Enter "solar panel installer" plus your postcode. Use filters for "certified installers" and "Solar Trade Association (STA) members" to narrow results.

3. Review Profiles and Verify Credentials

Check each profile for:

  • Solar installation certifications (e.g., MCS – Microgeneration Certification Scheme)
  • Insurance coverage details
  • Number of completed solar projects
  • Customer star rating and number of reviews

4. Request and Compare Quotes

Ask at least three installers for written quotes that break down:

  • Equipment costs (panels, inverter, mounting)
  • Labour and installation fees
  • Design and planning fees
  • Warranty terms and after‑sales service

5. Conduct Final Checks Before Hiring

Confirm the installer will submit a Building Regulations application if needed, and verify that the proposed system complies with the UK's Smart Export Guarantee (SEG) requirements.

Typical Cost Structure for Residential Solar Installations

Costs vary by system size, roof complexity, and equipment choice. Below is a compact reference table based on UK market data from 2023‑2024 industry reports.

System Size (kW)Average Total Cost (GBP)Cost per Watt (GBP)
2 kW (small flat roof)£3,200‑£3,800£1.60‑£1.90
4 kW (average family home)£5,500‑£6,300£1.38‑£1.58
6 kW (large roof or high‑efficiency panels)£7,800‑£8,900£1.30‑£1.48

These figures include MCS‑certified equipment, installation labour, and standard 10‑year product warranties.

Key Certifications and Standards to Look For

Choosing an installer with the right credentials protects you from sub‑par work and ensures eligibility for government incentives.

  • MCS (Microgeneration Certification Scheme) – Mandatory for most UK solar rebates and guarantees.
  • STA Membership – Indicates adherence to industry best practices.
  • ISO 9001 – Demonstrates a quality‑management system.
  • Electrical Installation Certificate (EICR) compliance – Confirms safe integration with your home's wiring.

Understanding Warranties and After‑Sales Service

Solar installations typically involve two warranty layers:

  • Product warranty – Covers panels (usually 25 years) and inverters (10‑15 years).
  • Installation warranty – Offered by the installer, ranging from 5 to 10 years for workmanship.

Ask the installer to provide written warranty documents and clarify the process for claim handling.

Common Pitfalls and How to Avoid Them

Even with MyBuilder's vetting, homeowners can encounter issues. Below is a quick checklist to keep the project on track.

  • **Incomplete quotes** – Ensure all cost items are itemised; hidden fees often appear as "additional works."
  • **Unverified certifications** – Cross‑check MCS numbers on the official registry.
  • **Poor roof assessment** – A structural engineer should confirm roof load‑bearing capacity for larger arrays.
  • **Ignoring planning permission** – Certain listed buildings or conservation areas still require consent.

Maintenance Tips for Longevity

Proper upkeep maximises energy output and extends system life.

  • Schedule a professional cleaning every 12‑18 months.
  • Monitor performance via the inverter's online portal; a drop of >10 % may signal shading or fault.
  • Have a qualified electrician perform an EICR every 5 years.

Summary Checklist Before Signing a Contract

Use this concise list to confirm you've covered all critical points.

  • Installer holds MCS certification and STA membership.
  • Written quote includes itemised costs, warranties, and SEG compliance.
  • Proof of public liability and professional indemnity insurance.
  • Confirmed planning permission (if required).
  • Clear timeline: design → permitting → installation → commissioning.

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