Typical costs
The simplest job is a socket on the outside wall, fed through the wall from an indoor socket. Sockets further down the garden need armoured cable buried in a trench.
| Job | Typical cost |
|---|---|
| Outdoor socket on house wall (from internal socket) | £150 – £300 |
| Outdoor socket on a new circuit | £250 – £450 |
| Socket at the end of the garden (armoured cable) | £400 – £900+ |
| Supply to a shed or garden room | £600 – £1,500+ |
Indicative outdoor socket costs (2026)
What's involved
Outdoor sockets must be RCD protected. See what is an RCD.
- Weatherproof socket rated for outdoor use
- RCD protection
- Drilling through the wall
- Correct cable for outdoor use
- Testing and certification
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Garden and outdoor electrics
For garden rooms, lighting and other outdoor electrics, see garden and outdoor electrics and garden office electrics.
Rules
Adding an outdoor socket from an existing circuit may be minor works. New circuits are notifiable. See Part P building regulations explained. Get quotes from local electricians.
