SIM & Broadband Bundles in Chelmsford
Combine SIM and home broadband in Chelmsford from £21.95/month — all on Three's 5G network.
Silux Mobile bundles for Chelmsford: pair a SIM with 4G/5G home broadband and pay less than buying separately. Delivered across Essex with no credit check.
Why Chelmsford Chooses Silux Bundles
Delivered to Chelmsford
Free Royal Mail Tracked 48 delivery (2–3 working days) to Chelmsford and Essex — SIM and router in one parcel.
Three 5G in Chelmsford
Mobile and home broadband on Three's 5G/4G network, with strong coverage across Chelmsford.
Cheaper Together
A SIM and broadband bought as a bundle costs less than buying the two separately.
Price Locked
Your bundle price is fixed for the term — no mid-contract increases. Terms from 12 to 36 months.
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
Bundles — Delivered to Chelmsford
SIM + broadband on Three 5G. Terms from 12 to 36 months.
Lite Bundle
Broadband + SIM
£21.95/mo
- Broadband Lite router
- Unlimited SIM
- Unlimited data
- 36-month plan
Premium Bundle
5G Broadband + SIM
£29.95/mo
- Premium 5G router
- Unlimited SIM
- Fastest speeds
- 36-month plan
Two SIM Bundle
2 × Unlimited SIM
£26.50/mo
- Two unlimited SIMs
- Calls, texts & data
- 5G included
- 24-month plan
Three 5G Coverage in Chelmsford
Three's 5G/4G network covers Chelmsford and Essex for both mobile and home broadband — over 99% UK population coverage.
Check Your Chelmsford PostcodeBundles in Chelmsford — FAQs
What is in a Silux Mobile bundle in Chelmsford?
A bundle pairs a home broadband package — router included and delivered to Chelmsford — with an unlimited SIM, on one monthly price. Bundles start at £21.95/month.
How much do bundles cost in Chelmsford?
The Lite Bundle (Broadband Lite plus an unlimited SIM) is £21.95/month on a 36-month plan, and the Premium Bundle with 5G broadband is £29.95/month. Shorter 12 and 24-month terms are available at a slightly higher monthly price.
How long is a bundle plan?
Bundles run for 12, 24 or 36 months — the longer the term, the lower the monthly price. A bundle includes broadband, so it is not a rolling monthly plan.
Do I need a landline or an engineer in Chelmsford?
No. The broadband in your bundle runs on Three's 4G/5G network — no phone line, no engineer and no installation. The router arrives by free Royal Mail Tracked 48 delivery to Chelmsford.
Will my bundle price rise mid-contract?
No. There are no mid-contract or inflation-linked price rises. The price you start at in Chelmsford is the price you keep.
Do you run a credit check in Chelmsford?
No. There are no credit checks, so anyone in Chelmsford can order a bundle regardless of credit history.