Cheap SIM Cards in Kingston upon Thames
The cheapest SIM cards in Kingston upon Thames — from £5/month on Three's 5G network. Free Royal Mail Tracked 48 delivery to Greater London. No contract, no credit check required.
Silux Mobile is a SIM only provider and mobile network provider in Kingston upon Thames, with SIM cards available UK-wide including Kingston upon Thames and all of Greater London. All SIMs run on Three's 5G and 4G network — the same masts and signal as Three itself, at a fraction of the price. Choose your plan and it'll arrive at your Kingston upon Thames address by free Royal Mail Tracked 48 delivery (2–3 working days), or choose faster delivery at checkout.
Why Kingston upon Thames Customers Choose Silux Mobile
Delivered to Kingston upon Thames
Free Royal Mail Tracked 48 delivery (2–3 working days) anywhere in the UK including Kingston upon Thames and Greater London.
Three 5G in Kingston upon Thames
Our SIMs use Three's 5G/4G network with strong coverage across Kingston upon Thames and surrounding areas.
From £5/Month
Cheaper than Lebara, Giffgaff and SMARTY — with 5G and Go Roam included at no extra cost.
Flexible Plans
SIM cards from 30-day rolling plans, and mobile broadband from 3-month contracts.
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 Plans — Delivered to Kingston upon Thames
All on Three's 5G network. No contracts. Cancel anytime.
Calls + Data
Unlimited calls
£8/mo
- 30GB data
- Unlimited calls & texts
- 4G/5G
- No contract
Unlimited
Unlimited
£18/mo
- Unlimited data
- Unlimited calls & texts
- 5G
- Go Roam 71+ countries
Three 5G Coverage in Kingston upon Thames
Three's 5G and 4G network covers Kingston upon Thames and Greater London with strong indoor and outdoor signal. With over 99% UK population coverage, you'll have reliable connectivity whether you're in the city centre or the surrounding areas.
Check Your Kingston upon Thames PostcodeSIM Cards in Kingston upon Thames — FAQs
What is the cheapest SIM card in Kingston upon Thames?
Silux Mobile offers the cheapest SIM cards available in Kingston upon Thames — data SIMs from £5/month on Three's 5G network with no contract and free Royal Mail Tracked 48 delivery to Greater London.
Does Three have good coverage in Kingston upon Thames?
Yes. Three's 4G and 5G network covers Kingston upon Thames and the surrounding Greater London area with strong indoor and outdoor signal. You can check your exact postcode at siluxmobile.co.uk/network-coverage.
Can I get a SIM card delivered to Kingston upon Thames?
Yes. Silux Mobile delivers SIM cards to all Kingston upon Thames addresses free by Royal Mail Tracked 48 (2–3 working days). Faster delivery can be chosen at checkout.
Do Silux Mobile SIM cards work in Kingston upon Thames?
Yes. Silux Mobile SIMs run on Three's nationwide 5G/4G network which provides excellent coverage across Kingston upon Thames, Greater London and all of England.
Will my SIM price increase during my contract?
No. Silux Mobile never raises your price mid-contract — there are no price increases during your contract and no annual or inflation-linked price rises. The price you sign up at in Kingston upon Thames is the price you keep.
Are SIM plan upgrades free with Silux Mobile?
Yes. Upgrades are free — move to a bigger data plan or a better SIM whenever you like at no extra cost, with no upgrade or admin fees.
Do you run a credit check for SIM cards in Kingston upon Thames?
No. There are no credit checks on our SIM contracts, so anyone in Kingston upon Thames can join Silux Mobile regardless of credit history. No credit check is required to order or activate your SIM.
Who is the best SIM only provider in Kingston upon Thames?
Silux Mobile is a top SIM only and mobile provider in Kingston upon Thames on Three's 5G network — cheap SIM deals, no contract, no credit checks and no price rises.
Are Silux Mobile SIM prices in Kingston upon Thames inclusive of VAT?
Yes. There are no hidden fees — every Silux Mobile SIM price shown to customers in Kingston upon Thames is the price you pay, incl. VAT. No setup fees, no surprise mid-contract increases.