Buy a PC
Shop pre-built and pre-owned PCs from private sellers and from AS Computers' own stock.
- Filter by budget, use and specs
- Message sellers before you buy
- Pay securely through the site
UK PC marketplace & custom builds
The right PC, built, bought or sold properly.
Buy a checked, ready-to-go PC, sell yours for free or let us handle the whole sale for a small fee - or tell us what you need and we'll build it.
- Secure payments via Stripe
- Listings checked by our team
- UK based
Our services
Three ways we can help
Whether you're upgrading, starting out or clearing space, there's a simple route for you.
Sell your PC
Two options, depending on how hands-on you want to be.
- Free listing - you list it and deal with buyers
- Managed sale - we value it, write the listing and sell it for you, for a small commission
Custom builds
Tell us what you'll use it for - gaming, streaming, editing, work or study - and your budget.
- Instant recommended spec
- Built and tested by us
- Warranty on every build
Just listed
View all PCs
Latest PCs for sale
New PCs are on the way
We're getting the first listings ready. Have a PC to sell? Be one of the first on the marketplace - listing is free.
List your PC
How it works
Selling with AS Computers
Get a valuation
Tell us your specs and condition for an instant price guide.
Choose how to sell
List it yourself for free, or hand it to us for a managed sale.
We check and list it
Every listing is reviewed. For managed sales we write and price the listing for you.
Get paid
Buyers pay securely online. You receive your money once the sale completes.
Guides
All guides →
From the blog
How to Clean Your PC Safely (Inside and Out)
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DDR4 vs DDR5 in 2026: Which Memory Should You Buy?
For the last couple of years, choosing between DDR4 vs DDR5 was easy: go DDR5 for any new build. In 2026, it isn't that simple. A worldwide memory shortage h...
Best Gaming PC Under £1,000 in the UK (2026 Build Guide)
£1,000 used to buy a very capable gaming PC. In 2026 it still can, but you have to spend it carefully. Memory and SSD prices have shot up, so the usual advic...
Why AS Computers
A marketplace run by PC builders
We don't just host adverts. We know what's inside the case, so we can spot a bad listing, price a PC fairly and build you something that actually fits what you do.
- Safer buyingCard payments are handled by Stripe - we never see or store your card details.
- Checked listingsListings are reviewed before they go live, and you can report anything that looks wrong.
- Fair, clear feesFree to list. Small, upfront commission only when we sell for you.
- Collection or deliverySellers choose local collection, UK delivery, or both.
Not sure what PC you need?
Answer a few quick questions and we'll recommend a spec that fits your budget and what you'll use it for.