Heating Engineers in High Wycombe
High Wycombe is our home town. We're based just along Derehams Lane in Loudwater, so for boiler installation, servicing and full heating systems across HW you've got a Gas Safe & OFTEC registered, family-run firm right on your doorstep.
High Wycombe's local heating engineers
Smith's Heating Services has been based on Derehams Lane in Loudwater, on the eastern edge of High Wycombe, since 2003 — this is genuinely our home patch, not a postcode we drive out to.
We work right across the town and its districts every week: from Hazlemere, Downley and Totteridge up on the higher ground, down through Cressex, Booker and Sands on the western side, and over to Flackwell Heath and Loudwater in the east — our gallery already includes a real combination-boiler job in Flackwell Heath. Whether you're near the Eden Centre in the town centre or out in one of the older villages, you're within a short drive of our base, which keeps our response times short and our travel charges down.
Knowing the local housing stock matters. A lot of High Wycombe is 1930s and post-war terraces and semis, alongside a good amount of ex-local-authority housing across the HP11, HP12 and HP13 postcodes — homes where a tired old back boiler or floor-standing unit is often best swapped for a modern combi. We do these boiler installations all the time, sizing the new unit properly to the radiators and hot-water demand rather than just fitting like-for-like. Out in the older parts of Hazlemere, Marsh and the surrounding villages there are also period cottages where a sympathetic central heating design — careful pipework, the right controls and correctly balanced radiators — makes all the difference.
We also fit low-carbon systems for Wycombe homeowners looking ahead. As an MCS certified and Heat Geek partner installer we design and install air source heat pumps properly, with the heat-loss surveys and emitter upgrades that actually make them work in our local stock. High Wycombe is the hub of our wider work across the county — see our full Buckinghamshire coverage — but it's where it all started and where most of our customers are.
Our services in High Wycombe
Whatever your heating, hot water or air conditioning needs in High Wycombe, our engineers can help.
Boiler installation
New gas, oil & LPG boilers as a Worcester Bosch Gold Accredited Installer, with warranties up to 10 years.
Learn more →Servicing & repairs
Annual servicing, safety certificates and breakdown repairs to keep your system running safely.
Learn more →Central heating
Full system design and installation, radiators, controls and upgrades for warmer, more efficient homes.
Learn more →Power flushing
Kamco CF90 and Adey MagnaCleanse flushing to clear sludge and restore circulation and efficiency.
Learn more →Air source heat pumps
Vaillant aroTHERM installation as a Guild of Master Heat Engineers approved installer — £7,500 BUS grant on qualifying jobs.
Learn more →Air conditioning
Bosch Climate cooling and heating — plan your system online with our AC configurator.
Learn more →Three reasons High Wycombe homeowners choose us
On your doorstep
Based on Derehams Lane in Loudwater, we're a genuinely local firm — short travel times right across High Wycombe and a 24-hour line for emergencies.
Accredited & trusted
Worcester Bosch Gold Accredited since 2003, Gas Safe and OFTEC registered, and MCS certified — with over 90% of our work coming from local referrals.
Done properly
We know Wycombe's housing stock, size every job correctly, and the work isn't finished until the paperwork is done.
High Wycombe heating FAQs
Which areas of High Wycombe do you cover?
All of them. We are based on Derehams Lane in Loudwater, so we cover the whole of High Wycombe and the surrounding districts — Loudwater, Flackwell Heath, Hazlemere, Cressex, Downley, Sands, Booker, Marsh and Totteridge — across the HP10, HP11, HP12, HP13, HP14 and HP15 postcodes.
How quickly can you get to me in an emergency?
Because we are based in Loudwater, on the edge of High Wycombe, travel times across the town are short and we can usually get to local breakdowns quickly. For no-heat situations and emergencies we run a 24-hour line on 01494 452502.
Can you replace an old boiler with a new combi?
Yes — it is one of the most common jobs we do in High Wycombe. A lot of the town's 1930s, post-war and ex-local-authority homes are well suited to a combi swap, and we will advise honestly on whether a combi or system boiler is right for your home before quoting.
Are you Gas Safe registered?
Yes. Smith's Heating Services is Gas Safe and OFTEC registered, a Worcester Bosch Gold Accredited Installer since 2003, and MCS certified for heat pumps. We work on gas, oil and LPG systems as well as air source heat pumps and air conditioning.
Need a heating engineer in High Wycombe?
From a combi swap in Cressex to a heat pump in Hazlemere, we're right here in Loudwater. Get a free, no-obligation quote today.