Real prices, real timescales
Questions we answer every day
No vague ranges and no “prices on application”. Everything below is what we quote across Bexleyheath, Bexley and Kent, with figures confirmed at survey.
Prices and grants
Installed guide prices for a typical home, confirmed at survey.
- How much does an air source heat pump cost after the £7,500 grant?
- An air source heat pump starts at £2,000 installed for a small 2-3 bedroom house, after the £7,500 Boiler Upgrade Scheme grant has been applied. We handle the grant application for you, so the figure you see is the amount you actually pay. Larger or poorly insulated properties cost more and we confirm the price at survey. Heat pumps
- How much does solar cost, and how long does it take to pay back?
- Solar PV starts at £5,000 installed for a 10-12 panel system using 480W panels plus an inverter, and payback starts from around 5 years. Systems on garages, outhouses and single-storey extensions often need no scaffolding, which lowers the price and shortens the payback further. Solar PV
- How much does air conditioning cost to install?
- Air conditioning starts at £1,400 installed for a 2kW wall-mounted single split unit in a bedroom-sized room. Multi-room systems are priced per indoor unit. The same unit heats as well as cools, so it also cuts winter gas use. Air conditioning
- Do you charge for a quote or a survey?
- No. Quotes and surveys are free and there is no obligation. Electrical work is quoted at a fixed price with no call-out charge. Get a free quote
Finance
0% APR over 12 months, or longer fixed-rate terms.
- Do you offer 0% finance, and what are the terms?
- Yes. 0% APR finance is available over 12 months, and 10.9% APR fixed is available over 36, 48, 60 or 120 months. Both are subject to the lender's assessment. A deposit may be payable and is agreed with you before you apply. Finance options
- Who provides the finance?
- Finance is arranged through Ideal4Finance. COOL RENEWABLES LTD is an Introducer Appointed Representative of Ideal Sales Solutions Ltd, trading as Ideal4Finance, which is a credit broker and not a lender (FRN 703401). Finance is subject to status and the rate offered is always provisional. Finance options
- Can I spread the cost of a heat pump or solar system?
- Yes — every service we install can be financed, including solar, battery storage, heat pumps, air conditioning, boilers and EV chargers. You can check monthly figures on the Ideal4Finance calculator before you commit. Finance options
How it works in a real home
The questions we get asked on the doorstep.
- Can I run heating and hot water entirely on electricity?
- Yes. An air source heat pump covers heating and hot water year round, and pairs with solar and battery storage so a large share of that electricity is generated on your own roof. Many customers add air conditioning as a second, very efficient heat source for individual rooms. Package deals
- Does solar still generate on cloudy days?
- Yes, but at a reduced rate — typically 10-25% of peak output in diffuse light. The grid tops up the difference automatically, so nothing in the house behaves differently. Solar PV
- Do I need planning permission?
- For the vast majority of homes solar panels, heat pumps and air conditioning are permitted development. We confirm your specific situation at survey and tell you before any work is booked.
- Is a battery worth adding to solar?
- A battery lets you store cheap overnight electricity and your own daytime solar for use at peak times, with a typical payback of 7-9 years. Fitted at the same time as solar it costs less than adding it later. Battery storage
Timescales and coverage
How long jobs take, and where we work.
- How long does an installation take?
- Solar is usually 1-2 days on site, a battery 1 day, an air conditioning unit 1 day, a heat pump 2-4 days, a boiler swap 1 day, an EV charger half a day, and a full rewire 3-5 days. All services
- What areas do you cover?
- We are based at 337 Long Lane, Bexleyheath, DA7 5JQ and cover Bexleyheath, Bexley, Welling, Sidcup, Dartford, Erith, Crayford, Greenwich, Bromley and the surrounding parts of Kent and South East London. Areas we cover
- Are you MCS certified, and who handles the paperwork?
- Yes, we are MCS certified. We issue your MCS certificate, register the system, apply for the £7,500 heat pump grant where it applies and set up your Smart Export Guarantee tariff for solar, so you do not have to chase paperwork. About us
- Do you use subcontractors?
- No. Every survey and installation is carried out by our own engineers working out of our Bexleyheath unit, which is why we can usually survey within a few working days. About us
Still got a question?
Send us the details of your property and we'll answer it with a firm number, not a range.
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