Check whether the weak connection is caused by in-home Wi-Fi before buying coverage equipment: compare a wired connection at the router with results in the affected rooms. An extender suits one reachable dead zone, while mesh is aimed at several weak rooms; powerline depends on the electrical circuit, and a router replacement is worth considering when the existing router itself is the problem.
A weak connection in one room calls for a different check from unreliable Wi-Fi across several floors. Which? identifies distant weak-signal areas as a reason to consider an extender or mesh system, depending on the extent of the problem.
Streaming, video calls or gaming become unreliable in multiple rooms or while moving around the home. Check whether several well-placed Wi-Fi points would address the affected areas rather than focusing on one dead zone.
The main network works acceptably, but a distant bedroom, office or similar room has a weak signal. A targeted extender is worth considering if it can receive a usable signal at a socket between the router and that room.
A computer, console or TV needs a dependable connection where wireless coverage is difficult. A powerline route may be relevant if the intended sockets are on the same electrical circuit and the remote unit provides the connection the device needs.
Diagnose the connection first, then decide whether the remaining problem affects one area, several rooms or a fixed device. Ofcom notes that a poor Wi-Fi result does not necessarily mean the broadband line is at fault—and better Wi-Fi cannot make the underlying broadband service faster.
| Concern | What to check | Who this matters to |
|---|---|---|
| Finding the cause | Compare a wired test at the router, where possible, with results in the weak room. Check router placement and whether heavy use by other devices affects the connection. | If the connection is slow even close to the router, I want to know whether buying coverage hardware would address the real problem. Around 36% of consumers put identifying the cause first. |
| Several weak rooms | Map the affected rooms and floors, then identify powered locations for mesh units that can maintain a connection to the rest of the network. | When calls or streaming falter as I move around the home, coverage in several regularly used rooms matters more than fixing one spot. Around 29% of consumers prioritise that wider coverage. |
| One dead zone | Find a midway socket that still receives usable Wi-Fi. If you want mesh features from an extender, check compatibility with the existing router and the exact model. | If one room is the problem and the rest of my Wi-Fi works, I would rather target that gap than change the whole network. Roughly 21% of consumers put a single reachable dead zone first. |
| A fixed-room connection | For powerline, confirm that the intended sockets are on the same electrical circuit. Choose the remote connection type according to whether the room needs Ethernet, Wi-Fi or both. | For a console, TV or desk-based computer that stays put, I care most about getting a connection into that room. Around 14% of consumers prioritise a fixed-room connection. |
Router replacement is a separate consideration if the existing router is old or disconnects frequently. Check its position and the broadband connection first, then confirm that a replacement will work with your provider’s setup; it cannot raise speeds beyond the underlying service.
An extender or mesh system cannot correct a slow incoming broadband connection. A poor result in a distant room, however, may reflect the local wireless link rather than the line.
Following Ofcom’s troubleshooting approach, compare a wired test at the router with tests in affected rooms before choosing coverage hardware. If the wired connection is also poor, contact the broadband provider.
A wireless relay needs a usable connection back to the router or another node. Putting it where the original signal has already failed leaves little to relay.
Start at a powered position partway towards the weak room, then test and adjust it. TP-Link recommends roughly midway placement for an extender; BT gives similar guidance for its Wi-Fi discs.
Powerline adapters on different electrical circuits will not communicate, according to TP-Link’s setup guidance. An Ethernet-only remote adapter also will not create Wi-Fi in the room.
Confirm the circuit arrangement, check what the kit contains and choose a Wi-Fi-capable endpoint if the room needs wireless coverage as well as, or instead of, Ethernet.
Ofcom notes that a separately bought router can be harder to set up and that the broadband provider may not be able to help troubleshoot it.
Check compatibility and the provider’s support arrangements before replacing its router. Keep the original available for troubleshooting unless the provider advises otherwise.
These brands offer equipment for different home-network routes; the relevant model, setup requirements and included features matter more than the brand name alone.
TP-Link has extender, Deco and EasyMesh, and powerline product lines relevant to targeted and wider-coverage changes.
NETGEAR offers Nighthawk standalone routers and Orbi multi-unit mesh systems for households considering those two routes.
eero’s home mesh range is relevant to consumers considering app-managed, expandable Wi-Fi.
These mesh systems are relevant to several weak rooms; the extender targets a reachable dead zone, while the powerline kit addresses a room where an electrical-wiring route is suitable. Test the connection and check each product’s setup conditions before choosing.
Image unavailable
Consider this three-pack when several rooms need Wi-Fi coverage rather than one isolated area.
The product name specifies dual-band BE3600 and 2.5Gbps Ethernet. Plan locations for the units and confirm compatibility with your existing modem or gateway and broadband setup.
Image unavailable
This three-pack is a mesh option for coverage needs across multiple rooms or floors.
Position the units where they can connect to the rest of the network. Before buying, confirm the delivered variant, plug type and documentation are suitable for use in Great Britain.
Image unavailable
Consider an extender when one area is weak but the main network works satisfactorily.
It needs a usable router signal where it is plugged in, rather than a socket inside the dead zone. If EasyMesh roaming matters to you, confirm compatibility with your current router.
Image unavailable
This three-pack is relevant when weak Wi-Fi affects several regularly used parts of the home.
Check where each unit could be placed, then confirm the exact delivered variant and its fit with your router and broadband setup before ordering.
Image unavailable
A powerline Wi-Fi kit is worth considering for a fixed room that needs connectivity without relying solely on a weak wireless signal from the router.
Confirm that the intended wall sockets are on the same electrical circuit: TP-Link says adapters on different circuits will not communicate. Check the kit contents and remote connections against the room’s needs.
Compare a wired connection at the router with a test in the weak room. Ofcom explains that Wi-Fi can be affected by the router, device, distance and interference; if the wired connection is also poor, ask your broadband provider to investigate before buying coverage equipment.
Start partway between the existing router or node and the weak area, where the new unit can still receive a usable signal. TP-Link recommends roughly midway placement for an extender, and BT gives similar guidance for its Wi-Fi discs; test the chosen location rather than putting a unit straight into the dead zone.
No: TP-Link says powerline adapters must be on the same electrical circuit to communicate. Check the intended sockets and whether the remote adapter provides Ethernet, Wi-Fi or both before choosing a kit.
Check which network-management features come with the hardware and which require a subscription, and ask whether your broadband provider supports a separately bought router. eero offers additional controls and security through its optional eero Plus subscription; Ofcom warns that a third-party router may be harder to set up and may not receive provider troubleshooting support.