- HEP Plumbing
- Central-heating Upgrades

Central-heating Upgrades
Central-heating Upgrades | Plumbing | Kelso
Imagine stepping through your front door on a frosty Kelso evening to welcoming warmth that reaches every corner of your home in moments. HEP’s specialists make that comfort possible with meticulous central-heating upgrades that boost efficiency, slash energy bills and future-proof your property. From sleek, high-output radiators to ultra-reliable boilers and smart controls you can manage from your phone, we source and fit the best technology for Borders living—always on schedule, always with a smile.
Our engineers blend decades of know-how with a genuine passion for sustainable solutions, ensuring each installation is as kind to the planet as it is to your wallet. Coordinating electrics, pipework and plumbing in one seamless service, we leave nothing behind but perfectly balanced heat and spotless work areas. Ready to turn cold rooms into cosy retreats? Let HEP tailor a central-heating upgrade that keeps Kelso homes warm for years to come.
FAQs
What central-heating upgrade services do you offer in Kelso?
We supply and install A-rated condensing gas, LPG and oil boilers, convert open-vented systems to sealed combi or system layouts, fit smart thermostats, replace old radiators with high-output models, add thermostatic radiator valves (TRVs), upgrade copper and plastic pipework, power-flush sludge from the system, and fit new hot-water cylinders, magnetic filters and scale reducers. All work is carried out by fully insured, Gas Safe (or OFTEC) registered engineers who are based in the Scottish Borders, so you receive a fast local response and after-care.
What are the main benefits of upgrading my older heating system?
A modern A-rated boiler can be up to 30 % more efficient than a unit that is 15 years old, immediately lowering your gas or oil bill. New controls such as smart thermostats and programmable TRVs allow you to heat only the rooms you are using, and weather-compensation technology keeps temperatures stable for greater comfort. Upgrades also cut carbon emissions, bring your home in line with current Building Regulations (Part L), improve EPC ratings – helpful if you plan to sell or let – and reduce the likelihood of inconvenient breakdowns during the Borders’ colder months.
How does the upgrade process work from survey to sign-off?
1. Free home survey – we measure heat-loss room by room, inspect existing pipework and discuss your hot-water demand. 2. Fixed-price quotation – within 24 hours you receive a written quote listing the recommended boiler size, radiators and optional extras. 3. Installation – a straightforward boiler swap normally takes one day, while a full system conversion with new radiators typically requires three to five days. We protect floors, isolate the old boiler, drain the system, fit and flush the new components, recharge with inhibitor and reconnect the controls. 4. Commissioning & certification – we complete the Benchmark log book, register the appliance with Gas Safe and the manufacturer, and issue your Building Regulation Compliance Certificate. 5. Handover – we show you how to use the controls and leave all manuals, warranties and after-care contact details.
Do you assist with government grants or finance for upgrades?
Yes. Homeowners and some private tenants in Kelso may be eligible for funding through schemes such as Home Energy Scotland Grants and Loans, ECO4 or the Scottish Borders Council’s Energy Efficiency grant programmes. We will check your eligibility, provide the required installer quotes and photographs, and submit the paperwork on your behalf. Where grants are not available we can arrange interest-free credit over 12 months or low-rate finance up to 10 years through our FCA-authorised finance partners.
Will my household be without heat and hot water during the installation?
We plan the job so that disruption is kept to a minimum. For a like-for-like boiler replacement the heating is generally off for only a few hours while we disconnect and swap the appliance. For larger projects we aim to have the new boiler operational by the end of each working day; if that is not possible we supply free portable electric heaters and, where required, an immersion element in the hot-water cylinder so you still have hot water overnight.
How much can I expect to pay for a central-heating upgrade in Kelso and what influences the cost?
Prices vary with the size of your property, the heat output of the boiler, the number and style of radiators, whether pipework needs rerouting, and any optional extras such as smart controls or under-floor heating zones. As a rough guide, a combi-to-combi replacement typically costs £2,000–£3,000 including VAT and a 10-year parts and labour warranty, while converting a traditional system to a combi with up to ten new radiators can be £4,000–£6,000. After the upgrade, most customers see fuel-bill savings of £300–£500 a year, meaning the system can pay for itself within its warranty period.