“Researching” means we have deliberately not guessed where a current official rule is still unclear. Exact checkout availability always wins.
| Area | Status | Delivery | Cost | Watch out | Evidence |
|---|---|---|---|---|---|
| 🇮🇲 Isle of Man | Yes | Screwfix delivers to IM1–IM9 and IM99, normally within 48–72 hours. | £5 under £50; free standard delivery on orders £50+. | Next-day and premium delivery are not available to Isle of Man postcodes. | source ↗ 4 October 2026 |
| 🏔️ Scottish Highlands | Yes, 48–72h | Screwfix delivers to many Highland and remote Scottish postcodes, commonly within 48–72 hours. | £5 under £50; free standard delivery on £50+ eligible orders. | Next-day and premium options are restricted in many remote postcodes. | source ↗ 4 October 2026 |
| 🏝️ Scottish Islands | Yes, 48–72h | Screwfix lists Scottish Isles and island postcode ranges for delivery, commonly within 48–72 hours. | £5 under £50; free standard delivery on £50+ eligible orders. | No next-day or premium delivery to many island postcodes. | source ↗ 4 October 2026 |
| 📦 Northern Ireland | Yes, 48–72h | Screwfix lists Northern Ireland BT postcodes for delivery, normally within 48–72 hours. | £5 under £50; free standard delivery on £50+ eligible orders. | Premium / next-day options are restricted. | source ↗ 4 October 2026 |
| 🏝️ Jersey | No | Screwfix says it currently does not deliver to the Channel Islands. | — | This applies to Jersey home delivery. | source ↗ 4 October 2026 |
| 🏝️ Guernsey | No | Screwfix says it currently does not deliver to the Channel Islands. | — | This applies to Guernsey home delivery. | source ↗ 4 October 2026 |
| 🏝️ Isles of Scilly | Yes, 48–72h | Screwfix lists TR21–TR25 for delivery within around 48–72 hours. | £5 under £50; free standard delivery on £50+ eligible orders. | No next-day or premium delivery. | source ↗ 4 October 2026 |
Data reviewed 4 October 2026. Retailer delivery rules can change and may differ by product, seller, courier or exact postcode. Confirm the final delivery option at checkout before paying.