Going electric has become more favourable amongst British homeowners, a step fuelled by environmental concerns, gas grid constraints, and technical innovation. If you are considering having an electric boiler installed in your house, getting a clearer picture of the whole cost scenario is key to you making an informed choice.
Electric boilers are efficient and clean heating systems which does not require gas connections, fuel tanks, or flues. The cost of installation of electric boilers, however, comes with numerous different factors other than the initial cost. This blog takes you through it all from startup costs to long-term operating costs so that you have for your own home.
Electric Boiler Types and Their Costs
There area variety of electric boiler designs with varying price structures and uses. Electric combi boilers are the UK home favourite, providing central heat and the supply of hot water in one compact package. The systems run with hot water on demand, and therefore they are perfectly suitable for small to medium homes where there is limited space.
The price of an electric boiler will depend immensely on the type and size you select. The basic cost of electric combi boilers range from £900 to £4,500, 12kW being the norm for most household usage. When larger hot water needs are desired, system boilers, better suited with in-built cylinders, range from £2,000 to £4,000.
The floor-standing ones with larger capacity come at higher prices, between £2,700 and £6,000. The units are suitable for larger homes or in business settings where there is constant demand for hot water supply.
Electric Combi Boiler Compared to Regular Boilers
When comparing heating systems, the upfront cost of purchase only represents half the story. One must consider the price of an electric combi boiler along with continuing usage expenses.
Purchase Price Comparison:
- Electric boilers: £900-£4,500
- Gas boilers: £570-£6,100
- Oil boilers: £1,300-£4,600
Electric boilers are averagely priced when looking at its purchase cost, though their advantage on installation decreases project expenses. Electric units, unlike gas boilers, do not need flue systems, gas pipework, or major ventilation modifications. This minimized installation process can lead to hundreds of pounds saved in labour.
Efficiency ratio sides heavily with electric systems. Electric boilers have 99-100% efficiency ratings, delivering almost all electricity used as heat. Gas boilers generally have 85-90% efficiency, and energy gets wasted as flue gases and unburnt carbon.
New combi boilers are up to 98% efficient and are covered by the ECO4 scheme. If you are a homeowner on benefits, fill in our simple 1-minute eligibility form and check if you qualify for a free combi boiler installation.
When comparing the cost disparity of electric boilers to gas boilers is clear when looking at operating expenses. Electric boiler installation cost may be lower, yet operating expenses are significantly higher because of electric expense. Operating expense for an electric boiler is £1,717 per year, as opposed to £853 for gas systems.
Cost of Electric Boiler Installation: What's Included and What's Extra
Understanding the total cost structure of electric boiler installation enables homeowners to plan appropriately and avoid incurring unexpected expenses. Installation is normally in the range of £500 to £2,500 depending on system sophistication and prevailing rates of labour.
Standard Installation Packs include:
- Boiler mounting and connection
- Basic electrical connections
- System commissioning and testing
- Safety certification
- Basic controls installation
Other Charges to Be Added:
- Electrical upgrade (£200-£1,000)
- New radiators or piping adaptation (£300-£1,500)
- Smart controls and thermostats (£150-£500)
- Power flushing existing systems (£300-£600)
- Building regulation compliance certificates (£100-£300)
Most properties need an electrical supplies upgrade to support electric boilers. Most systems need dedicated circuits with the correct circuit breakers, possibly including consumer unit adjustments. Older properties may need full re-wiring to current safety standards.
Thinking of checking if you’re eligible for energy-efficient heating upgrades? Our easy online form only takes 1 minute to fill in and could make you eligible for significant government funding.
5 Key Variables That Affect Electric Boiler Prices
Several basic variables influence the price of electric boiler installation, with some factors doubling or tripling project prices.
1. House Size and Heating Requirements
Large houses require high-capacity boilers, and the first thing that will influence is cost. A rough rule of thumb would be 1.5kW capacity per radiator, so an 8-radiator house will need approximately 12kW output. Large houses could demand commercial-grade systems that are much more expensive.
Well-insulated houses can accommodate cheaper, lower-capacity boilers, but poorly insulated older houses need oversized equipment to make up for heat losses. Improvements in insulation that minimize boiler demands and operational costs in the long run can be fitted efficiently by conducting energy audits.
Check you eligibility for a free home survey and insulation fully funded under the ECO4 scheme by filling in our form.
2. Infrastructure Capacity
Electric supply will play a big role in installation cost and difficulty. Most UK homes have 60-100 amp main fuses, restricting electric boiler output to about 50% of its supply rating capacity. A boiler of 12kW size will draw about 52 amps, which will necessitate careful load calculations and possibly need supply upgrades.
Some larger systems might need three-phase installations, as advised by the Distribution Network Operator and are extremely costly. Rural homes have overhead supply cables that are particularly problematic with low capacity.
3. Installation Accessibility
Boiler installation costs and long-term efficiency are influenced by positioning where accessibility is easier. Rapid access where there are existing electrical and plumbing connections reduces the labour cost. New pipe runs, electrical circuits, or structural modifications substantially raise costs, however.
Electric boiler advantages, in terms of installation flexibility, are that they require no flue connections or gas supplies, and this typically reduces the cost of challenging installations.
4. System and Control Integration
Smart electric boilers integrate conveniently with smart home systems, programmable controls, and renewable energy sources. Standard controls are included in basic installations, but additions such as weather compensation, zone control, and solar panel integration add £200-£1,000 to the project.
Properties which already exist without smart systems may need significant adjustments to effectively accommodate electric boilers. Replacement of the radiators, resizing of pipes, and system balancing might be very costly.
5. Regional Differences
Installation prices differ considerably across the UK, with London and Southeast commanding higher prices. Regional wages can be between 20-30% different, affecting overall project cost. Local construction regulations and planning controls may involve further compliance measures.
Scotland, Wales, and different English regions have varying energy efficiency requirements and grant availability, affecting net installation costs. Some areas offer preferential electricity tariffs for electric heating, improving long-term economics of installing the system.
Don’t let complex regulations and costs overwhelm your heating upgrade plans. Check your eligibility for government grants that could cover your entire installation cost. Fill in our form now!
Long-term Cost Considerations
Apart from initial installation expenditure, total cost of ownership covers maintenance, repair, and energy use over the entire life of the system, 15-25 years. Electric boilers involve less maintenance than gas systems, with no annual safety check requirement and no servicing obligation.
Operating expenditure continues to be the electric heating system’s greatest concern. With current UK energy costs, electricity is roughly 3.5 times more expensive per unit than gas. Yet there are various factors that can enhance the economics:
Cost Saving Measures:
- Off-peak rates for night heating
- The installation of solar panels to lower electricity bills
- Increased insulation to lower heating needs
- Smart controls for optimizing energy use
Solar panel houses have the ability to save huge sums on electric boiler operating costs, especially through battery storage systems. Initial cost of renewable energy can pay back with lower heating bills in the long run.
Making Electric Boilers More Affordable:
Government initiatives reduce the cost of an electric boiler installation for eligible homeowners significantly. Even though direct electric boiler grants are not easily available, several programs favour replacement of heating systems and energy efficiency improvements.
The ECO4 scheme will target replacing inefficient boilers in low-income homes. D, E, F, or G EPC-rated homes can be considered for full replacement funding. A household member needs to be in receipt of qualifying benefits
The Boiler Upgrade Scheme provides £7,500 grants to have heat pumps installed, which can be direct replacements for electric boilers in most cases. Being a direct replacement for electric boilers, these systems share the same advantages but with reduced running costs.
Local Authority Flexible Eligibility enables councils to stretch beyond normal grant schemes to include homes that don’t meet the typical qualifying conditions. Family incomes of under £31,000 annually could qualify on specific conditions. Contact us to learn more.
Home Energy Guide
At Home Energy Guide, we understand that finding your way through heating system prices and grant programs can be challenging. Our specialized knowledge of ECO4 upgrades provides you with optimum value from government plans and best possible heating performance.
Our team only works with the most reliable and reputable energy grant providers to bring you the best quality installations funded completely under the ECO4 scheme. We strive to bring the best out of government schemes to tailor the best package for you and your home, helping you secure the most amount of funding available.
