Heating work in Shoreham-by-Sea spans an unusually wide range of building types, from converted houseboats on the Adur to new harbour-side flats and the town's older brick terraces. The right approach depends heavily on the structure, its flood exposure and how the property is connected to mains services — so the same boiler answer rarely fits two homes here.
Heating life on the water and along the river
Houseboats and floating homes near Shoreham's riverbank run on very different setups from land-based houses. Many rely on bottled LPG (liquefied petroleum gas) rather than mains gas, and some use solid-fuel stoves or diesel-fired heaters designed for marine use.
Space and ventilation are tight, so flueing and carbon monoxide safety matter more than usual. Any gas work on a vessel should be done by an engineer registered for LPG and boats, not just standard domestic gas. Riverside houses on land may have mains gas, but check before assuming — some plots along the Adur were never connected.
Movement, humidity and salt air all shorten the life of standard fittings. Stainless or marine-grade components and frost protection on any exposed pipework are worth asking about.
Newer harbour-side flats and modern systems
The right approach depends heavily on the structure, its flood exposure and how the property is connected to mains services — so the same boiler answer rarely fits two homes here.
The redevelopment around Shoreham harbour and the western harbour arm has brought blocks of flats built to current energy standards. These often arrive with combi boilers, communal heating, or in newer schemes, air-source heat pumps and electric systems instead of gas.
In a flat, the heating choice is partly out of an owner's hands — communal systems are managed at building level, and individual unit replacement may be restricted by the lease or managing agent. Anyone buying should ask what heats the flat, who maintains it, and how heat charges are metered.
Where heat pumps are fitted, outdoor unit siting and noise rules apply, and balconies or shared walls can complicate placement.
Damp, flood risk and where the boiler sits
Much of low-lying Shoreham sits within Environment Agency flood zones, particularly close to the river and the harbour. That has direct consequences for heating equipment placement.
Ground-floor boilers, cylinders and electrics are vulnerable in a flood. In at-risk properties it is common to see heating raised above likely flood levels — mounted higher on a wall, or moved to a first floor or loft where the layout allows. This is sometimes called flood-resilient siting.
- Check the property's flood zone before relocating or replacing a boiler.
- Keep electrical controls and the consumer unit above expected water levels.
- Ensure condensate pipes and flues drain and vent clear of damp-prone walls.
Persistent damp near the coast and river also affects flue performance and corrodes fittings, so ventilation and regular servicing carry extra weight here.
What the older housing stock tends to need
Away from the water, Shoreham has plenty of Victorian and Edwardian terraces, plus interwar semis. These were not built for modern heating, so upgrades usually involve more than swapping a boiler.
Solid walls in the oldest homes lose heat quickly, which can leave radiators undersized once a new, lower-temperature system goes in. Old pipework may need flushing or replacing, and a system that has run for decades may have sludge build-up that a power flush addresses.
Where a chimney once vented a back boiler, the flue route and breast may need reworking. Anyone planning changes in a conservation area or to a listed building near the High Street should confirm what consent applies before external flues or units are fitted.