By The KTech team · Published 14 November 2026
Better Wi-Fi in rural South Hams homes usually comes from fixing where the router sits, how the signal is spread around the property and where the broadband line enters the house, rather than from buying the fastest package on offer. Thick stone and cob walls, long gardens and detached outbuildings all weaken a signal, and most homes in the villages around Kingsbridge have at least one room that struggles. Our Wi-Fi boosting service covers the assessment, equipment and set-up for homes across the South Hams, with work planned from our East Charleton workshop.
This guide explains the difference between broadband speed and Wi-Fi coverage, how to place a router in a thick-walled property and when a mesh system or a wired access point makes more sense. It also covers outbuildings, mobile signal fallbacks and the basics of keeping a home network secure, so that the improvements you make stay in place. Read on for a practical order of checks you can make before booking anything.
Is my problem broadband speed or Wi-Fi coverage?
Broadband speed is the rate at which your line delivers data to the property, while Wi-Fi coverage describes how well that signal reaches the room where you are actually sitting. A fast line can still feel useless in a bedroom at the far end of an old farmhouse, because the router's signal never arrives there with enough strength. Testing at the router and again in the problem room tells you which of the two you are dealing with.
Run a speed test with a cable plugged straight into the router, then repeat it on a phone in the spot that struggles. If the wired result is close to what you expect from your line and the wireless result is far lower, the problem is coverage rather than the connection itself. Note the time of day as well, because a busy evening can slow any connection, and a single test rarely tells the whole story.
How do thick stone and cob walls affect Wi-Fi?
Stone, cob and solid masonry absorb and reflect radio signals far more than the plasterboard found in a modern house. Many older Devon properties have walls that are very thick at the base, and those walls can block a signal almost completely if the router sits on the wrong side of them. Floors, chimney breasts and metal fittings add to the loss.
Signal strength falls sharply with each wall and floor it passes through, so a router placed in the kitchen corner of a farmhouse may barely reach the room above. Large appliances, mirrors and metal radiators can also reflect or shadow the signal in unexpected ways. The usual answer is to bring the source of the signal closer to where people use their devices, rather than expecting one router in one corner to cover everything.
Where should I place my router?
Put the router as high as is practical and in an open position, away from the floor, cupboards and thick walls. A central spot in the house tends to spread the signal more evenly than a router tucked inside a cabinet or pushed against an external wall. Even a short move can make a noticeable difference in the rooms that were struggling before.
Keep the router away from microwaves and cordless phone bases, which can interfere with the 2.4 GHz band many devices use. Avoid stacking it under other equipment, and angle any adjustable antennas differently so that the signal covers more than one direction. Test each new position by checking the signal in the problem room before you settle on a final location.
- Choose a central, open position where the signal can travel outwards.
- Keep the router away from microwaves, cordless phones and metal cabinets.
- Angle any antennas so that they are not all pointing the same way.
- Test each new spot in the room that struggles before fixing it in place.
Do I need a mesh system or a wired access point?
A mesh system uses several units that talk to one another wirelessly, which suits homes where a single extra range extender would be too weak or unreliable. Mesh is quick to set up and works well in a bungalow or a modern extension, though each extra unit still has to hear the one before it through the same thick walls. It is a flexible option for an open layout.
A wired access point connects to the network with a cable and broadcasts Wi-Fi from its own room, which usually gives the strongest and most consistent result. Running a cable can be the most effective route in an old building, although it takes planning and sometimes a careful chase through the wall. We can advise which route fits your layout before any work starts.
- Mesh: quick to install, flexible and sensible for an open layout.
- Wired access point: the steadiest result, best where a cable can be run.
- Range extender: a stopgap that can slow down the connection it repeats.
- Powerline adapters: useful where the mains wiring is sound, though results vary.
- Router upgrade: worthwhile when the existing unit is old or no longer supported.
How do I reach outbuildings and long gardens?
Garages, workshops, studios and holiday lets in the garden sit beyond the reach of most home routers. The signal often weakens sharply across open ground and through the back wall of a shed, so a connection that works in the house may disappear before it reaches the door. Planning the route early avoids a frustrating result later.
A wireless bridge or a point-to-point link can carry the connection across the garden, provided there is a clear line of sight between the two units. Power is the other consideration, because the outbuilding needs a socket and a safe, weatherproof route for any cabling. Use outdoor-rated equipment where the unit is exposed to damp, and keep cable runs well away from tools and lawn machinery.
What about mobile signal and home network security?
Some rural homes rely on mobile signal as a fallback, either through a 4G or 5G router or a phone hotspot when the fixed line drops. Check the signal in the rooms you use most, and consider an external antenna if the phone struggles indoors. Our guide to rural business broadband in the South Hams explains the wider connectivity options across the area.
A stronger home network is also a safer one, because a router left with its default password or old firmware invites trouble. Change the admin password, keep the firmware updated, use a strong Wi-Fi password and set up a separate guest network for visitors and smart devices. These small steps keep family devices away from equipment they have no reason to reach.
- Change the router's admin password from the factory default.
- Install firmware updates when the manufacturer releases them.
- Use a guest network for visitors, televisions and smart plugs.