As the popularity of solar panels continues to grow in the UK, an increasing number of property and business owners are embracing this eco-friendly and energy-efficient solution. It offers the promise of free, inexhaustible energy that not only reduces one’s carbon footprint but also trims hundreds of pounds from annual energy bills. It’s no wonder that an ever-growing cohort of homeowners and business proprietors are making the switch to solar panels. But what about the installation of solar panels in flats?

For homeowners, the savings are estimated to range between approximately £175 and £420 annually, while businesses with ample roof space stand to save even more. However, what about those individuals residing in flats and apartments?

Due to the ongoing Cost of Living Crisis and the escalating cost of electricity, coupled with heightened environmental concerns, many flat occupants are pondering whether solar panels can be effectively utilised in their living spaces. They’re also curious about the types of solar panels permitted for installation in flats.

Navigating solar power for flats presents its own set of distinctive challenges and considerations, and we’ve undertaken thorough research to address these issues. Our guide delves into the specifics of the solar panels suitable for flat installations and the potential benefits of incorporating solar panels into an apartment setting.

In this comprehensive guide, we’ll provide you with all the essential information you need before making an investment in a new solar energy system. To begin, it’s crucial to understand the two primary types of solar panels currently available: polycrystalline solar panels and monocrystalline solar panels. While there are a few other solar panel varieties in existence, these two are the primary types used in commercial applications.

Is it possible to employ Polycrystalline Solar Panels in flat installations?

Polycrystalline solar panels are among the most frequently used solar panel variants ideally suited for mounting on flat roofs, rendering them a superb option for apartment complexes.

These solar panels are crafted from silicon crystals that have been melted and cast into moulds, resulting in their characteristic blue or black appearance. This manufacturing process, however, imparts them with slightly lower efficiency compared to monocrystalline solar panels. Nevertheless, they are regarded as a more budget-friendly choice due to their lower cost.

When it comes to the installation of polycrystalline solar panels, there are several important factors to take into account:

• Verify the structural integrity of the roof to ensure it can safely bear the weight of the solar panels.
• Utilise a racking system to angle the solar panels in such a way that they are oriented towards the sun for maximum efficiency.
• Ensure that the solar panels are wired and connected correctly to the inverter, which typically resides in either the garage or loft. This setup enables the conversion of the generated current for practical use.

Is it possible to employ Monocrystalline Solar Panels in flat installations?

Monocrystalline solar panels are crafted from a single crystal of silicon, endowing them with their distinctive blue hue. This results in higher efficiency when compared to polycrystalline solar panels, though they are typically considered more costly.

Nonetheless, monocrystalline panels present a viable choice for apartment building installations because they can generate a greater amount of electricity within a smaller footprint, surpassing the capabilities of polycrystalline panels. Moreover, they excel in harnessing solar energy in regions with lower sunlight exposure, such as areas frequently affected by clouds, shading, or obstructions like trees and tall buildings.

Prior to installation, it’s imperative to verify whether planning permission is required. Equally crucial is engaging in discussions not only with the flat’s landlord but also the owner of the apartment building to gain approval for the installation of solar panels.

Irrespective of the type of solar panel chosen for installation on the apartment building’s roof, there are additional considerations to bear in mind during the installation process:

• Shading: If the building’s roof is partially shaded by trees or other structures for part of the day, it might be necessary to install extra panels to maintain the desired electricity generation.
• Wind: In areas susceptible to strong winds, sturdier mounting systems may be required to ensure the secure attachment of the solar panels.
• Snow: If your locality experiences significant snowfall during the colder months, investing in snow guards can be a prudent measure to safeguard the panels from potential damage.

Where is the Ideal Location for Installing Solar Panels in flats?

Optimal placement for solar panels on apartment buildings involves a south-facing roof, ideally inclined at an angle between 20 and 50 degrees. This arrangement maximises sun exposure and, consequently, electricity generation. If the apartment building’s roof doesn’t face south, it’s still possible to install solar panels, but you may need more panels to meet the residents’ electricity needs, especially if the roof is shaded by trees or neighbouring buildings.

Alternatively, if roof installation is unfeasible, consider investing in mounted solar panels that can be placed on a balcony railing or even on the floor.

Benefits of installing Solar Panels in flats

• Energy Cost Savings: By integrating solar panels, you can generate your electricity and reduce reliance on the traditional power grid, leading to substantial cost savings. On average, this can translate to £10,000 in savings over the system’s lifetime, making solar panels an attractive option for reducing energy expenses.
• Environmental Impact: Solar panels harness the sun’s renewable energy, significantly reducing your carbon footprint and contributing to a cleaner environment. 
• They utilise abundant sunlight, a sustainable energy source, to generate electricity.
• Increased Property Value: Solar panels typically enhance the value of residential properties, and this benefit is likely to extend to apartment buildings as well. Tenants can enjoy reduced energy costs, making the property more attractive and valuable.
• Income from Excess Energy: Any surplus energy generated by your solar panels can be sold back to the grid in the UK, a process known as net metering. This not only offsets your energy costs but also offers opportunities to earn money from the excess power your system produces.
• Low Maintenance: Solar panels are highly durable and require minimal upkeep. Periodic cleaning may be necessary, but overall maintenance is straightforward.
• Long Lifespan: Investing in solar panels provides long-term benefits, as they typically have a lifespan of 25 to 30 years. This ensures consistent and reliable solar power generation for your apartment building, supporting your energy needs for decades to come.

Disadvantages of installing Solar Panels in flats

While solar panels are generally a cost-effective and environmentally friendly option, there are several crucial considerations to bear in mind if you’re contemplating installing them in your apartment:

• High Initial Investment: Solar panels and their installation can entail a substantial upfront cost. Nonetheless, the declining prices of solar panels in recent years, combined with energy bill savings, can gradually offset this initial expense.
• Property Size Matters: The benefits of solar panels are greater for larger properties, which offer more roof space for installation. Smaller homes or buildings may experience a relatively lower impact.
• Limited Options for Apartments: Apartments on mid or lower floors may have limited access to the roof, making solar panel installation challenging or even impossible.
• Landlord Approval: If you live in a rented apartment or within a block of flats, you may need your landlord’s permission to install solar panels.
• Weather Sensitivity: Solar panels can be influenced by changing weather conditions, including clouds, rain, or snow. While they will still generate electricity in such conditions, the output is reduced compared to clear weather.

It’s essential to weigh these factors carefully to determine if solar panels are a suitable choice for your apartment and to make an informed decision about their installation.

Need Any Help With Your Electrics?

You can reach out to Ability by completing the form available on our website, calling us at (+44) 01892 514495, or sending a message to info@ability.uk.com. Rest assured, we prioritise prompt responses and will get back to you as swiftly as possible. Our goal is to provide you with the necessary help and guidance without delay.