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Business Details
27 Years
experience
Your Trusted Computer Store in Diss, Norfolk
Established in 1999, 121 Computers has grown from a local call-out service to a family-run retail store and repair center serving Diss, Norfolk. Our team of experienced technicians specialises in designing, building, repairing, and upgrading computers for home, business, and gaming users. We offer a comprehensive range of services including on-site repairs, custom PC builds, and component upgrades, supported by a wide selection of top-brand technology products. Our state-of-the-art workshops enable efficient in-house repairs without carriage fees or extended waiting periods.

With over two decades of experience, we combine technical expertise with personalised service, ensuring customers receive tailored solutions and expert advice. Our commitment to quality extends to data migration services, same-day collections, and after-sales support, demonstrated through numerous positive customer testimonials. As an independent retailer, we pride ourselves on providing competitive pricing and specialist knowledge that major chains cannot match, while maintaining a strong local presence in East Anglia.
Services
Gaming PCs Computer Repairs Custom Builds Networking Solutions Peripheral Sales Data Migration On-site Services Component Upgrades Printer Supplies Technical Support
Details
  • Year established: 1999
Highlights and features
  • 20+ years of local computer expertise since 1999
  • Family-run business with personalised service approach
  • Expert technicians specialising in custom PC builds
  • Same-day data migration and repair services available
  • Largest independent PC retailer in East Anglia
What people say
Excellent service Quick repair turnaround Knowledgeable staff Data migration success Competitive pricing
Services
Gaming PCs
High-performance gaming computers built to specification with latest components. Designed for optimal frame rates and immersive gameplay experiences. Includes warranty and technical support for competitive gaming and casual use.
Computer Repairs
Comprehensive diagnostics and repair services for all computer types. Specialising in hardware replacement, software troubleshooting, and data recovery. Completed in our purpose-built workshops with regular customer updates.
Custom Builds
Tailored computer construction matching individual requirements. Expert technicians select optimal components for gaming, business, or creative applications. Includes system optimisation and data migration assistance.
Networking Solutions
Home and business network installation services. Covers wired and wireless solutions with leading brand equipment. Includes configuration, security setup, and connectivity optimisation for reliable performance.
Peripheral Sales
Extensive range of gaming and office peripherals including keyboards, mice, and audio equipment. Stocking major brands with expert advice on product selection and compatibility for different computing needs.
People
Mary
Founder
Founded 121 Computers in 1999, expanding from a call-out service to a full retail operation. Leads the business with over two decades of technology industry experience.
Karl
Customer Service
12-year team member providing front-of-house assistance. Specialises in customer relations and product recommendations for both technical and general computing needs.
Amy
Sales Specialist
19-year veteran handling computer and tablet sales. Provides expert advice on product specifications and compatibility for business and personal computing requirements.
Olly
Computer Technician
20-year technician specialising in custom builds and system repairs. Expert in gaming PC construction and component optimisation for high-performance computing.
Nathan
Computer Technician
15-year technician with expertise in laptop and desktop repairs. Specialises in custom system builds and hardware upgrades for gaming and business applications.
Questions
What computer services do you offer?
We provide custom PC builds, repairs, upgrades, networking solutions, and sell major technology brands. Our services cover gaming, business, and home computing needs.
How quickly can you repair my computer?
Most repairs completed within 2 days. We provide updates during the process and offer same-day collection for urgent requirements at our Diss location.
Can you build a custom gaming PC?
Yes, our expert technicians create bespoke gaming systems with your chosen specifications. We offer guidance on component selection for optimal performance.
Do you serve customers outside Diss?
While based in Diss, we serve the wider East Anglia region. We offer local delivery and technical support across Norfolk and surrounding areas.
What payment methods do you accept?
We accept major credit/debit cards and bank transfers for both online and in-store purchases at our Victoria Road location.
Do you offer warranty on repairs?
All repairs include a 12-month warranty. We use quality components and provide after-sales support to ensure long-term reliability of our work.