Choose according to where the connection fails: Ethernet suits a fixed device that needs a dependable link, an extender can address one weak area if it can receive the router’s signal, and mesh is worth considering when several rooms or floors need coverage. Before replacing a provider router, check how your broadband reaches the home and what support your provider offers for third-party equipment; a new router alone may not resolve distant-room coverage.
If reception falls short across floors or behind internal obstacles, consider how additional Wi-Fi points would connect to the main router. Ofcom notes that walls and other obstacles affect Wi-Fi, while mesh networks use units placed around the home.
If calls, work or entertainment depend on a stationary computer or other fixed device, a cable may address that connection without changing Wi-Fi elsewhere. Ofcom recommends a direct Ethernet connection to the router when broadband speed at a computer matters.
If most rooms connect satisfactorily, an extender may be enough for one problem area. TP-Link advises placing an extender between the router and the weak area, where it can still receive the original signal.
Locate the problem before choosing hardware: a weak connection in one room calls for a different response from several weak rooms or one fixed device that needs a cable. If the connection is also poor close to the router, investigate the service or main router before adding coverage equipment.
| Concern | What to check | Who this matters to |
|---|---|---|
| Coverage across rooms and floors | Map weak areas and obstacles; check where mesh units could maintain a connection to each other. | If I move between rooms that lose Wi-Fi, I need coverage beyond one isolated spot. Around 36% of consumers put whole-home coverage first. |
| One fixed device’s connection | Check the cable route and available Ethernet ports; for wired mesh nodes, confirm support for Ethernet backhaul. | When an important device stays in one place, I would rather address its connection directly than extend Wi-Fi throughout the home. For around 29% of consumers, fixed-device reliability is the primary concern. |
| One reachable weak area | Check whether an extender could sit between the router and that area while still receiving a usable signal. | If the rest of my home connects well, I only need to reach the room where reception drops. That single weak spot comes first for around 21% of consumers. |
| The main router and broadband connection | Identify the connection type and equipment already in use; confirm the required connection and settings with your provider. | If disconnections or the router’s position affect the starting point for every room, I need to assess the main setup before adding another Wi-Fi point. Around 14% of consumers prioritise the main router. |
An extender or mesh system cannot improve the service arriving at the router. If the connection is poor beside the router as well as in distant rooms, extra coverage hardware may leave the underlying problem unchanged.
Compare the connection close to the router, ideally using Ethernet on a suitable device, with the connection in the problem room. Contact the provider about a problem that persists at the router.
An extender needs a usable signal to repeat. One unit may not address weak coverage spread across different rooms or floors, particularly where obstacles affect the link.
Reserve an extender for a reachable, localised weak spot. For several affected areas, consider mesh-unit placement or a wired connection to an access point or supported mesh node.
The connection into the home determines what equipment is needed. Openreach describes Full Fibre setups with an optical network terminal, or ONT, before the router; its fibre-to-the-cabinet service instead enters through the existing phone-line socket.
Identify your access type and confirm the required hardware and settings with your provider. Check whether you need to retain the supplied hub for fault diagnosis; BT Business, for example, asks customers using their own router to reconnect its hub when faults need investigating.
Wi-Fi routers, extenders and mesh units are radio equipment. The UK government’s guidance on the Radio Equipment Regulations 2017 describes safety, electromagnetic-compatibility and spectrum requirements for equipment placed on the market in Great Britain.
Before ordering, check that the product identification, instructions and conformity information apply where you will use the equipment. Check the applicable requirements separately for Northern Ireland rather than assuming Great Britain guidance covers it.
These brands offer different router and network-extension ranges; choose by the exact model’s connections and your existing broadband setup, not by the brand name alone.
Offers standalone routers, Deco mesh systems and range extenders.
Offers home routers and Orbi mesh systems for shoppers considering multiple Wi-Fi points.
Offers standalone routers and AiMesh-capable products for those considering a router-based mesh setup.
No: what you can replace depends on your broadband connection and provider setup. Openreach describes Full Fibre connections using an ONT before the router, while fibre-to-the-cabinet connections enter through a phone-line socket. Confirm the required hardware, settings and fault-support arrangements with your provider before buying a retail router or mesh system.
Use Ethernet when the problem centres on a fixed device and you can run a cable to it; use an extender when the aim is to reach a weak wireless area. Ofcom recommends connecting a computer directly to the router by Ethernet for broadband speed. A cable to one device will not extend Wi-Fi coverage for phones and other portable devices.
Place the extender between the router and the weak area, where it can still receive a usable router signal. TP-Link suggests a position roughly halfway between them; placing the extender inside a dead zone leaves it with little signal to repeat.
No: mesh adds Wi-Fi points, but the connection between those points still matters. Ofcom notes that obstacles can weaken Wi-Fi signals. If a wireless link between units is difficult, check whether the exact mesh system supports Ethernet backhaul and whether a cable route is practical.