GB

Green Building Renewables

National renewable energy installer with Portsmouth office, 4-star Trustpilot rating from 305 reviews

Portsmouth, UK
4 (305 reviews)
Verified
Residential Commercial

10+

Years in Business

305

Customer Reviews

150 km

Service Area

51-200

Employees

SurgePV Score

7.6 / 10
Customer Reviews
80%
Certifications
100%
Experience
85%
Services Range
90%
Warranty Coverage
0%
Online Presence
50%

About Green Building Renewables

Green Building Renewables is a national renewable energy installation company with a dedicated Portsmouth office, serving Hampshire and the wider south coast. Originally founded in 2016 by John Gilham as Go Eco Renewables, the company rebranded in 2021 and has grown to become one of the UK’s larger renewable energy installers. Their head office is at Unit 9 Chessingham Park, Dunnington, York, YO19 5SE, with regional offices across England.

The company specialises in solar panel installations, battery storage, heat pumps, and EV charging for both residential and commercial properties. Green Building Renewables holds MCS, NAPIT, TrustMark, and RECC accreditations and employs in-house survey, design, and installation teams. They work with premium equipment brands and offer comprehensive warranties on all installations.

With a 4-star rating on Trustpilot from over 305 reviews, the company has a well-documented track record. Customers in the Portsmouth area highlight the quality of the survey and design process, the professionalism of installation crews, and responsive post-installation support. The company also provides ongoing monitoring and maintenance packages.

Service Area

Green Building Renewables serves the following areas within a 150 km radius:

PortsmouthSouthamptonHampshireWinchesterChichesterBasingstoke

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Services Offered

Solar Installation
Battery Storage
EV Charging
Maintenance
Energy Audit

Certifications & Accreditations

MCS NAPIT TrustMark RECC

What to Expect: Solar Installation Process

1

Initial Consultation

Free site survey and system design

2

Quote & Design

Detailed proposal with costs and savings

3

Installation

Panels, inverter, and wiring (1-3 days)

4

Inspection

Building control sign-off and DNO notification

5

Go Live

System commissioning and handover

Customer Reviews

4

305 reviews

Verified Customer

5 December 2025
Verified Customer

From survey to install, communication was excellent. The team arrived on time, were professional and tidy, and the system is generating well above predictions.

Verified Customer

18 September 2025
Verified Customer

Really pleased with the whole process. Clear advice, no hard sell, and a quality installation. The aftercare team have been responsive too.

Verified Customer

20 July 2025
Verified Customer

Good installation and friendly team. Took a little longer than expected to get a survey date but the actual install was quick and well done.

Frequently Asked Questions About Green Building Renewables

What services does Green Building Renewables offer?

Green Building Renewables offers Solar Installation, Battery Storage, EV Charging, Maintenance, Energy Audit.

Is Green Building Renewables MCS certified?

Yes, Green Building Renewables is MCS certified and also holds NAPIT, TrustMark, RECC certifications. MCS certification means they meet industry standards for solar panel installation in the UK.

What areas does Green Building Renewables serve?

Green Building Renewables serves Portsmouth, Southampton, Hampshire, Winchester, Chichester, Basingstoke. They are based in Portsmouth with a service radius of 150 km.

What warranty does Green Building Renewables offer?

Contact Green Building Renewables directly for their current warranty terms.

How are Green Building Renewables's customer reviews?

Green Building Renewables has a 4/5 rating based on 305 customer reviews. They are well-regarded by their customers.

How long has Green Building Renewables been in business?

Green Building Renewables was founded in 2016 and has been in business for 10 years. They are one of the more experienced solar installers in their area.

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