How to fix Wi-Fi dead zones in a Cornish farmhouse or period property
Cornwall's granite farmhouses, cob cottages and converted barns are beautiful — and brutal on Wi-Fi. Here's why, and how to get a strong signal in every room without ripping the place apart.
Why old Cornish properties kill Wi-Fi
Wi-Fi is just radio, and radio hates thick, dense walls. Cornish granite, stone and cob walls are often two feet thick, and many renovations add foil-backed insulation and plasterboard that reflect the signal. Add multiple wings, thick chimney breasts and detached outbuildings, and a single router by the front door simply can't reach the far bedroom, let alone the barn.
Why boosters and plug-in extenders disappoint
The high-street fixes rarely work in these buildings. Cheap Wi-Fi extenders typically halve your speed and still have to shout through the same walls. Powerline plugs struggle on the older, mixed wiring common in period homes. Even a wireless mesh — better than a single router — is still fighting the granite when the nodes talk to each other over the air.
The proper fix: wired access points
The reliable answer in a stone property is to take a network cable (Cat6) to two or three well-placed access points — discreet units on a wall or ceiling in each part of the house — all wired back to your router. Now the signal is generated right there in each area instead of trying to pass through the walls. One network name follows you around the property, and speeds stay high everywhere.
Covering barns, annexes and the garden
Outbuildings are common in Cornwall and easily covered. A weather-rated external access point, or a small point-to-point link across to a barn or annexe, extends the same network to workshops, holiday lets, garden offices and yards — properly, not with a cobbled-together extender.
What a survey involves
We walk the property, measure the real signal room by room, find exactly where it drops, and plan access-point positions and cable routes that respect the building — using existing conduits, lofts and discreet external runs wherever possible. You get a clear plan and a fixed price before anything is drilled.
Straight answers.
Will you have to run cables through my walls?
We route as discreetly as possible — through existing conduits, the loft, or neatly outside — and agree anything that would be visible with you first.
Can you cover a separate barn or annexe?
Yes — with a wired link or a small point-to-point bridge we can put the same reliable network in outbuildings and holiday lets.
Isn't a mesh system enough on its own?
Mesh helps, but wireless-only mesh still struggles through thick stone. Wiring the access points (wired backhaul) is far more reliable in period Cornish properties.
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Have a site that needs sorting?
Send the location, the problem and a couple of photos of the existing router, cabinet or problem area. You get a straight answer and, where it can be scoped, a fixed price.