Reducing energy costs for
churches & church buildings in Sussex

Churches and church buildings are often hundreds of years old and can be challenging to heat and power. Making selective energy saving improvements can drive down energy costs and greatly enhance warmth and comfort for visitors.

Church buildings throughout Sussex date back centuries and can be difficult places to keep warm during winter months.

Upgrading older heating systems and reducing heat loss can deliver valuable cost savings on monthly energy bills and make it much easier to maintain a comfortable temperature for congregations and event goers.

Furthermore, more and more churches throughout the UK are taking action to reduce their environmental impact and demonstrate foresight and leadership in the local community.

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The challenge of heating church buildings

Maintaining a comfortable temperature of 18^oC – 21^oC can be extremely expensive, especially during cold winter months.

Church buildings are some of the oldest buildings in the country and many have been around since before electricity was invented. They are often very large buildings, and typically made up of high vaulted ceilings and thin stained-glass windows.

All of these factors add up to present a uniquely difficult challenge when it comes to providing adequate levels of heat for staff and visitors.

An additional complexity with designing an effective heating solution for a church property is the inconsistent hours that the building is in use. A church property could experience a high volume of visitors on a Sunday or during religious holidays but may have low demand during the week.

There are also many church properties in the UK which have been converted into a performance venue, which will have a different consumption pattern and usage requirements to a church which is used exclusively for worship.

The first step to effectively managing energy consumption and reducing costs is to gain a very good understanding of the energy profile of the property. This includes mapping the peaks and troughs of energy demand throughout the year and surveying the property to identify where heat and power could be better utilised.

Why churches around the UK are taking action on climate change

Faith groups and Diocese throughout the UK have committed to reducing their carbon footprint and environmental impact in an effort to tackle the climate crisis.

As concern for climate change grows, so too do expectations from local community stakeholders that church leaders must take action on climate change.

Many church buildings across the country, especially in rural areas, are reliant on fossil fuels for their heat supply – the same fossil fuels which are accelerating climate breakdown.

We recognise that decarbonising the heating of churches can seem like an overwhelming and highly technical challenge, but transitioning churches away from oil and gas is essential for the wellbeing of our shared natural environment.

Furthermore, we believe that action on climate change presents an opportunity for the Church to demonstrate leadership in the local community. By setting an example of good social responsibility the Church can become a source of inspiration for local residents to make improvements to the energy performance of their own properties.

Church buildings and rooftop solar power

It is a common sight around the UK to see church rooftops adorned with large arrays of solar panels, enabling them to generate their own clean affordable electricity.

As well as significantly reducing the environmental impact of church buildings, installing solar panels can deliver major cost savings on electricity bills. This is because the site can generate its own electricity instead of purchasing it from an energy supplier. When combined with battery storage technology and electric heating systems we can start to achieve true energy independence for church properties.

Churches make excellent candidates for solar PV because their roof is usually very large, (meaning you can fit a lot of solar panels in the space) and they are typically angled at approximately 45^o, which is ideal for capturing the sun’s rays.

Additionally, churches are often much taller than surrounding buildings, meaning that solar panels installed on the roof will not be obscured by shadows from neighbouring properties.

Identifying the most effective ways to reduce energy costs for your church

The best solution for improving energy performance will differ for each church depending on the physical characteristics of the property and the particular energy demand of the building.

To gain an insight into how heat and power are used by your church and to identify the most cost-effective recommendations, BHESCo’s Energy Saving Service will need to complete an on-site survey and an analysis of your energy bills.

We will produce a report detailing where heat and electricity are being wasted and recommending the best ways to fix this quickly. Our recommendations will take into consideration the importance of conserving the historic architecture and interiors of the church building.

Our report will look at a variety of potential solutions for your church, comparing the costs and benefits of different types of technologies. This includes a breakdown of the anticipated reduction in energy demand that we could expect from installing specific measures and the corresponding financial savings on future energy bills.

This allows you to make an informed decision about which technologies will deliver the best outcomes and which offer the best value for money. Our goal is to identify the solution which offers the best combination of comfort, conservation, affordability, and environmental sustainability.

"Those churches who invested early on in renewable energy and energy efficiency measures are now in a really strong position. You can't argue with the economics, but for many churches and congregations it is also a question of making a difference to future generations."

Martyn Goss

Environment officer for the
Diocese of Exeter

What typical upgrades can be made to improve the energy performance of church buildings?

From the main hall to the office and the church hall to the church grounds there are many opportunities for making improvements and reducing unnecessary energy costs for your church.

A quick win could be to address the lighting systems. This could be inside the building as well as external lighting used to illuminate the church at night, or in some cases could also include stage or spot-lighting.

Replacing your existing lighting system with energy efficient LEDs can bring immediate reductions in annual electricity costs of up to 80%. When upgrading your lighting system you may wish to install smart lighting controls which can be manipulated with an iPad or other monitoring device, such as BHESCo installed at Fabrica Art Gallery, a former church property in Brighton’s Lanes neighbourhood.

Or perhaps you could consider improving the thermal comfort of the church by installing an underfloor heating system powered by a heat pump – a solution particularly well suited to providing a consistent level of heat over a large surface area.

The importance of buy-in from staff and volunteers

In order to gain maximum benefit from any physical energy efficiency improvements that are made to the church premises, it is vital that church leaders have the support and co-operation of their staff and volunteers.

Educating staff on effective energy management and efficient behaviours will help to embed sustainability practice into your organisation. When staff have a good understanding of the financial and environmental impacts of the church they will be better placed and more emotionally invested in supporting efforts to reduce energy consumption.

As well as hopefully achieving valuable cost-savings, encouraging staff to reduce energy consumption demonstrates responsibility and leadership within the wider community.

Case Studies

Brighton Road Baptist Church

Year: 2020

Technology Installed:

30kW rooftop solar PV

Lifetime Financial Saving: £30,592

Lifetime CO₂ Saving: 160 tonnes

Fabrica Art Gallery

Year: 2016

Technology Installed:

50 x LED spotlight, 6 x LED lamps,

secondary window glazing, wall insulation

Lifetime Financial Saving: £15,000

Lifetime CO₂ Saving: 49 tonnes

Funding Your Energy Upgrades

At BHESCo we understand that the upfront cost of installing energy saving measures for your church can be expensive.

That’s why we make our innovative ‘Pay As You Save’ financing available to all of our customers.

We cover the upfront project cost on your behalf which is then paid back over time using a portion of the savings achieved on your monthly energy bills. Once our loan is repaid you become the owner of your energy saving measures and will enjoy 100% of the savings for the lifetime of the equipment.

If you are based in Sussex or Kent and are interested in taking action to reduce the energy costs and environmental impact of your church then request a BHESCo Energy Survey using the booking form link below.

Our Energy Saving Team will contact you within the next few working days to ask a few preliminary questions about your property and to arrange an on-site survey.

Frequently Asked Questions

Do I have to become a member of BHESCo?

We make our Energy Saving Service available to everyone in the community whether they are a member of BHESCo or not.

Many BHESCo customers go on to become members but this is not a prerequisite.

Does the organisation/ business need to participate in BHESCo's Pay As You Save finance?

We make our Pay As You Save financing available so that every property in Sussex can make the transition to clean renewable energy without the burden of providing the upfront project costs.

If your organisation or business is able to and would prefer to finance your energy saving/ renewable energy technologies upfront then that is absolutely fine.

How much does an energy survey cost?

The cost for conducting an energy survey and producing a detailed energy improvement strategy will depend on the size of the property. As a rule our services are generally costed at £60/ hour. This also applies to our project management services.

However, if you decide to take advantage of BHESCo’s ‘Pay As You Save’ financing then any costs associated with our services can be absorbed into your monthly lease payment.

What is included in the Energy Saving Report?

Your Energy Saving Report includes details of all the ways you are wasting heat and energy in addition to our suggestions of how to address any issues with the most cost-effective solutions available.
Our suggested energy efficiency/ energy generation measures include details of typical upfront costs and anticipated payback time, as well as the expected financial and carbon reducing benefits.

What do I need to prepare before the survey?

It is preferable that our energy surveyors are able to view each room of the property including loft space, so some clearance may be required if necessary.

It is also beneficial to have access to any meters, boilers, or hot water controls.

A copy of your most recent gas and electric bill is essential for helping us to understand your energy use and current costs.

Project Contact Form

If you are interested in working with BHESCo to revolutionise the way that your church or church building sources it’s heat and power then please provide your details in the form below and a member of our Projects Team will get back to you to discuss next steps.

Reducing energy costs for churches & church buildings in Sussex