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Business Details
Expert Home Extensions & Renovations in Norwich
MJM Building Services is a long-established local business dedicated to delivering exceptional property improvements. We specialise in home extensions, conservatory conversions, and garden rooms, combining design expertise with high-quality materials to enhance living spaces. Our team of professionals ensures every project is completed on time and within budget, with a focus on improving your home's value and functionality. With over 14 years of experience and a combined industry expertise of 75 years, we prioritise customer satisfaction through transparent communication and meticulous attention to detail.

Our services include full project management, material supply, and decoration, all backed by indemnity insurance and a 12-month workmanship guarantee. We offer free periodic visits post-completion to ensure lasting satisfaction and treat every client's home with the respect it deserves. Our commitment to quality and client-centric approach has made us a trusted name in home renovations across Norwich and surrounding areas.
Services
Extensions Conservatory Conversions Garden Rooms Garage Conversions UPVC Windows & Doors Kitchen Installations Bathroom Installations Underfloor Heating Project Management Home Insulation
Highlights and features
  • We offer free periodic visits post-completion for lasting satisfaction.
  • Our team has over 75 years of combined industry experience.
  • Full project management is included at no extra cost.
  • All work is covered by indemnity insurance for peace of mind.
  • We guarantee our workmanship for 12 months with a free inspection.
Services
Home Extensions
We design and build custom home extensions to expand living spaces while maintaining structural integrity. Our process includes free consultations, tailored plans, and full project management. Clients benefit from enhanced property value and functional, aesthetically pleasing additions completed efficiently.
Conservatory Conversions
Our one-day conservatory conversions utilise thermal panels to create year-round usable spaces. The service includes insulation, flooring, and decoration, transforming outdated areas into practical rooms. Clients gain comfortable, energy-efficient spaces that blend seamlessly with their homes.
Garden Rooms
We construct bespoke garden rooms for leisure or work, integrating electrical and heating systems. Projects include underfloor heating, UPVC windows, and bespoke finishes. Clients enjoy versatile, insulated spaces that extend their living areas into outdoor environments.
Project Management
Our end-to-end project management covers planning, material supply, and trades coordination. We handle timelines, budgets, and quality control, ensuring stress-free renovations. Clients receive regular updates and a dedicated team focused on meeting their specific requirements.
Home Insulation
We install thermal panels and underfloor heating systems to improve energy efficiency. This service reduces utility costs and enhances comfort in converted spaces. Clients benefit from warmer rooms and long-term savings on heating expenses.
Questions
What services do you offer?
We specialise in home extensions, conservatory conversions, garden rooms, and full project management, including electrical, plumbing, and decoration.
How long have you been in business?
We have over 14 years of experience with a team combining 75 years of industry expertise.
Do you provide guarantees?
Yes, all work includes a 12-month guarantee with a free inspection after three months.
How do you manage projects?
We offer full project management, handling planning, materials, and trades coordination from start to finish.
What areas do you serve?
We primarily serve Norwich and surrounding areas in East Anglia.