If your WiFi drops in certain rooms, slows down in the evening, or makes you reconnect every time you walk out to the patio, the network was probably never designed for the shape of the house. One router in one place cannot cover a spread out floor plan, and no amount of money spent on that one router changes the physics.
The good news is that this is a solved problem. It is solved the same way offices and hotels solve it, and it does not involve buying another mesh node.
Why does it happen?
Three causes come up in nearly every site survey we run.
Construction absorbs signal. Plaster over wire lath, stone, steel framing and low E glass all cut into a 5 GHz signal, and 5 GHz is the band that carries the speed people actually want. A wall that looks ordinary can be the reason a bedroom two rooms from the router is unusable. This is why coverage problems track the age and materials of the house at least as closely as its floor area.
Wireless hops cost bandwidth. A mesh node that relays traffic on the same radio it uses to serve your devices has to receive every packet and then send it again. It cannot do both at once, so the far end of the chain gets a fraction of what the first node had. Systems with a dedicated backhaul radio avoid the worst of this, but they still have to find clean air to use it in, which brings us to the third cause.
The air is crowded. In a dense neighbourhood a house can see dozens of other networks, and the 2.4 GHz band in particular is close to full in most of Los Angeles. Every connected device in your own home adds to it too. When the air is contested, a stronger transmitter does not win; it just makes the contention worse for everyone including itself.
What actually fixes it?
A wired backbone. Access points in the ceiling, each with its own cable running back to a central switch, all managed as a single network under one name. Your phone hands off from one to the next as you walk from the theatre to the pool, without dropping the call.
Each access point gets its own dedicated path back to the switch, so nothing is competing with anything else for backhaul. Channels are assigned deliberately after a survey rather than left to sort themselves out. Power comes over the same Ethernet cable, so there is no separate supply to fail.
Where cable genuinely cannot be run, a point to point wireless bridge or a fibre run covers the gap to a guest house, garage or ADU. That is a different problem from indoor coverage, and we have written about it separately in our guide to WiFi for pool houses, guest houses and gates.
Where do the access points go, and where does the switch go?
Ceiling positions, chosen for coverage rather than for convenience, and normally fewer of them than people expect. Two or three well placed wired access points routinely outperform six wireless nodes scattered around the same house.
The switch, the router and anything else that runs continuously belong in a proper equipment location with power, ventilation and quiet. A cupboard under the stairs with no air path will cook its own contents. Our guide on where the equipment rack should go covers heat removal, clean power and cable distance limits.
If the house is being built or rebuilt, all of this is nearly free. Ceiling cable positions cost minutes at rough in and a great deal more once the ceiling is closed, which is why they sit near the top of our pre wire checklist.
Is a mesh kit ever the right answer?
Yes, in an apartment or a smaller single storey home with ordinary construction and light usage. Retail mesh is a good product for the job it was designed for.
It stops being the right answer when the house is large, the walls are dense, or the household is running 4K streaming, video calls, a dozen cameras and a hundred connected devices at the same time. At that point the bottleneck is airtime, and airtime is only bought back by moving traffic onto cable.
Does the network design change once the fix is in?
It should. A house with a properly designed network is also the right moment to stop running everything flat. Cameras, locks, controllers, televisions and guest devices do not all belong on the same segment, and separating them is far simpler while the network is being rebuilt than as a retrofit later. Our guide on whether smart home devices should be on their own network covers what segmentation protects and what it breaks if it is done badly.
Frequently asked questions
How many access points does a house actually need?
Fewer than most people assume, and the number comes from a survey rather than from floor area. Coverage is decided by wall construction, ceiling heights, the shape of the floor plan and where people actually use devices. A compact two storey house with dense walls can need more than a larger open plan one.
Will a faster internet plan fix dropouts?
No. Dropouts and dead spots happen between the router and your device, entirely inside the house. Upgrading the plan raises the ceiling on speed at the router and changes nothing about what reaches the far bedroom.
Why does it get worse in the evening?
Two things at once. More devices in your own house are active, and so are more networks around you, so the shared air gets busier at exactly the time you want to stream. A wired backbone with deliberate channel planning is what insulates you from the neighbours.
Can this be retrofitted into a finished house?
Usually yes. Attic and crawl space access decides how much of it is straightforward. Most homes have at least one clean path to a ceiling position, and where there genuinely is not one, a wired access point on a wall still beats a wireless hop.
Do wired access points need a permit?
Class 2 low voltage cabling is a different scope from line voltage electrical work, and permit requirements follow the electrical scope and the local building department rather than the automation. Your contractor confirms what applies to the job.
Want reliable coverage in every room?
Ermine designs and installs enterprise grade home networks across the Los Angeles Westside using Ubiquiti and Araknis hardware, with monitoring that lets us catch most issues before you notice them. See our infrastructure practice or book a consultation at erminehub.com/contact. Call (888) 818 9996.