Outdoor lighting Cost Calculator
A professionally installed garden lighting scheme costs £300–£1,500 for most homes: £50–£150 per fitting installed on an existing circuit, and £200–£500 for the new outdoor circuit bigger schemes need. Outdoor circuits are notifiable under…
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3 steps, using the figures from our cost guide.
How this calculator works
Every figure in this calculator is the one published in the cost table on our outdoor lighting guide. Pick the option that matches your job and the calculator returns that published range, adjusted for your region - it does not model anything the guide does not already say.
That is deliberate. A calculator whose rates drift from the page it sits under is worse than no calculator, because two numbers on the same site disagree.
What it cannot know: access, the condition of what is already there, and anything structural. Those are what separate three real quotes from each other.
Published outdoor lighting costs (2026)
| Option | Typical 2026 cost | Notes |
|---|---|---|
| Security floodlight (PIR) | £80–£250 | |
| Wall and porch lights (each) | £50–£150 | |
| Garden lighting scheme (4–8 | £500–£1,500 | |
| New outdoor circuit + RCD | £200–£500 |
These are the figures from our outdoor lighting cost guide.
Outdoor lighting calculator — FAQs
Around £50–£150 per fitting on an existing circuit, £500–£1,500 for a 4–8 light scheme, plus £200–£500 if a new outdoor circuit is needed.
New outdoor circuits are notifiable under Part P of the Building Regulations - registered-electrician work. Swapping a like-for-like fitting or using a 12V plug-in kit is not notifiable.
A low-voltage plug-and-play kit: £100–£400 fitted, no trenching, no notification. The trade is brightness and permanence - mains schemes light trees, low voltage lights paths.
They are the outdoor job buyers notice: a PIR floodlight at £80–£250 installed is among the cheapest visible improvements a house exterior can buy.
Related cost guides
- Outdoor lighting cost guide — The full price guide
- All electrical services — Browse the hub
- All BestBuilders services — Every trade we cover
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