Systems

Solar PV – Solarise

German-engineered Solarwatt panels, providing long-term value and cost savings

4
Year Payback
97%
Year 1 Output
30
Single-Point Guarantee

Calculate Your Solar Return

Estimate the financial and environmental value of installing solar PV on your building. Our calculator provides an indication of energy savings, payback period, and projected returns based on your roof area and building type.

Based on real Solarise installations across the UK, factoring in current energy tariffs and government incentives.

Request Your Solar Investment Analysis

Complete all fields to get a free solar analysis

Solar PV – 25-Year ROI Calculator

This is a quick estimate, get in touch for more accurate results

Business Benefits That Count

Measurable returns that strengthen your bottom line, sustainability credentials, and asset value

Reduced Energy Costs

Generate on-site electricity to offset grid demand and help reduce exposure to rising energy prices.

Lower operational expenditure

Maximised Roof Asset Value

Integrating solar PV during roof refurbishment allows the building envelope to deliver both protection and energy generation.

Dual-purpose roof space

Improved Building Performance

Solar PV can contribute towards improved EPC ratings and support wider estate decarbonisation strategies.

Supports EPC improvements

Predictable Financial Returns

Well-designed solar installations can deliver measurable savings over their operational life while reducing whole-life energy costs.

Long-term energy savings

German Engineering Excellence

We’ve partnered with Germany’s premium solar manufacturer to deliver uncompromising quality and performance. Solarwatt’s precision-engineered panels combine cutting-edge glass-glass technology with exceptional durability, backed by the industry’s most comprehensive guarantees.

Why Specify Garland UK Solarise

The only solar solution with complete building envelope integration and single-source accountability

 

Industry Exclusive

Single-Point Guarantee Coverage

When you combine Garland UK waterproofing with Solarise solar PV, both systems are covered under our comprehensive 30-year Single-Point Guarantee. One contact, one accountability, complete protection. No other provider offers this integrated approach.

Single Point Guarantee

Integrated across the complete building envelope

Solarise is engineered to work alongside Garland UK’s waterproofing systems, allowing solar PV to be
incorporated without compromising roof performance, specification integrity, or future maintenance.

Bituminous Membranes

Purpose-designed mounting solutions integrate with Garland membrane systems, maintaining waterproofing integrity while providing secure, durable solar installation.

Liquid Applied Waterproofing

Compatible mounting options enable solar PV to be incorporated with liquid applied systems, supporting complex roof layouts and refurbishment projects.

Metal
Roofing Systems

Engineered fixing solutions work seamlessly with standing seam and metal roofing systems, preserving roof performance while optimising solar generation.

Green Roof Systems

Integrated designs allow solar PV and green roofs to work together, combining renewable energy generation with biodiversity and sustainable drainage benefits.

From Assessment to Energy Generation

A straightforward process that integrates solar PV with your roofing project, from initial feasibility through to ongoing system performance.

1

Solar Investment Analysis

Evaluate roof suitability, projected energy generation, financial returns, and payback estimates to inform investment decisions.

2

System Design & Specification

Develop a building-specific solar solution that considers roof construction, operational requirements, and future maintenance.

3

Integrated 
Installation

Solar PV is installed alongside the Garland roofing system using compatible fixing methods that maintain waterproofing integrity.

4

Ongoing Asset Performance

Technical support, system monitoring, and maintenance planning help maximise energy generation and building performance throughout the system lifecycle.

Frequent Questions

Most common questions about Solarise solar PV systems

How long does it take to see a return on investment?

Renewable energy generation provides an excellent return on capital investment. On average, you can see a return on your investment in as little as 4 years of a Solarise installation.

What type of maintenance is required?

Solar panels are generally self-cleaning, especially if positioned at an angle of over 15 degrees. We advise that Solarise systems be visually inspected once a year and cleaned if necessary.

Do you need a south-facing roof?

Solarise panels have a range of frames, mounts and fixings, which means that whilst the south-facing roof is preferred, north-facing roofs can still benefit. The Solarise system can be installed on any roof orientation and still achieve electricity generation targets.

How much energy will Solarise generate?

This will depend on several factors, such as the building’s geographical location, orientation and pitch. Your Technical Manager will carry out detailed surveys and reports to calculate the expected energy savings and financial benefits of your Solarise installation.

What can Solarise be installed on?

The bespoke frame and mounting options ensure the Solarise system can be installed on any Garland UK waterproofing system. This includes bituminous membranes, metal profiles, cold-applied liquid coatings, or green roof systems.

What is the life expectancy of a PV panel last?

Solarwatt panels are guaranteed for up to 30 years and are expected to generate at least 97 % of the measured minimum output in the first year. They will not decrease by more than 0.35% per year in the 29 following years.

Start Your Solar Journey Today

Get your free Solar Yield Analysis and discover exactly how much your roof could be earning in renewable energy revenue