SIM Only Deals in Hatfield
SIM only deals in Hatfield from £5/month on Three's 5G — including unlimited data plans.
Silux Mobile is a SIM only provider in Hatfield. Big data, unlimited calls and Go Roam across Hertfordshire — all on Three's 5G/4G network, on 30-day rolling plans or 3 to 24-month contracts, with no credit check.
Why Hatfield Chooses Silux SIM Only
Delivered to Hatfield
Free Royal Mail Tracked 48 delivery (2–3 working days) anywhere in the UK including Hatfield and Hertfordshire.
Three 5G in Hatfield
Our SIMs use Three's 5G/4G network with strong coverage across Hatfield and surrounding areas.
From £5/Month
Cheaper than Lebara, Giffgaff and SMARTY — with 5G included. Roaming is an extra cost and varies by package.
Flexible Plans
Every plan starts from 1 month — SIM cards on 30-day rolling plans or 3 to 24-month contracts, and rolling monthly broadband.
The Silux Mobile Promise
No price increases
Your price is locked — no price rises during your contract, ever
Free upgrades
Upgrade your plan or SIM for free, any time
No credit checks
No credit checks on our SIM contracts
No hidden fees
No hidden fees, no price increases
SIM Only Deals — Delivered to Hatfield
On Three 5G. 30-day rolling or 3 to 24-month contracts.
Calls + Data
Unlimited calls
£8/mo
- 30GB data
- Unlimited calls & texts
- 4G/5G
- 30-day or contract
Unlimited
Unlimited
£18/mo
- Unlimited data
- Unlimited calls & texts
- 5G
- Roaming extra — varies by package
Three 5G Coverage in Hatfield
Three's 5G/4G network covers Hatfield and Hertfordshire with strong signal across the area — over 99% UK population coverage.
Check Your Hatfield PostcodeSIM Only Deals in Hatfield — FAQs
What happens if I go over the fair usage policy in Hatfield?
It depends on the network. As of August 2026, Three is more flexible and lenient with its fair usage policy, and it is rare that we need to warn customers. Vodafone and O2 are much stricter: if you go over more than twice, you will be notified to monitor your usage.
What is the cheapest SIM only deal in Hatfield?
Silux Mobile offers some of the cheapest SIM only deals available in Hatfield — from £5/month on Three, Vodafone, EE and O2, on a 30-day rolling plan or a 3 to 24-month contract, with free Royal Mail Tracked 48 delivery to Hertfordshire.
Does Three have good coverage in Hatfield?
Yes. Three's 4G and 5G network covers Hatfield and the surrounding Hertfordshire area with strong indoor and outdoor signal. Check your exact postcode at siluxmobile.co.uk/network-coverage.
Can I get a SIM only deal delivered to Hatfield?
Yes. Silux Mobile delivers to all Hatfield addresses free by Royal Mail Tracked 48 (2–3 working days). Faster delivery can be chosen at checkout.
Will my price increase mid-contract?
No. Silux Mobile never raises your price mid-contract — no annual or inflation-linked rises. The price you sign up at in Hatfield is the price you keep.
Do you run a credit check in Hatfield?
No. There are no credit checks on our SIM contracts, so anyone in Hatfield can join regardless of credit history.
Are prices in Hatfield inclusive of VAT?
Yes. No hidden fees — every price shown to customers in Hatfield is the price you pay, incl. VAT. No setup fees and no price increases.