About Us

Your first choice in construction since 1985

Whether you require general construction work or bespoke bathrooms and kitchen refurbishment, R J Jarvis Builders want to be your first choice in Hemel Hempstead and the wider area.From top quality sourced materials to high quality workmanship, it’s no wonder we’re highly recommended.

Add value to your home
There’s not a lot of point moving home if you can just add tons of value to your current home, whilst also maximising the space you already have. Our loft conversion service is right up your street

General Construction


Your first choice in Hemel Hempstead

We want to be your first port of call when you need building work. With over two decades of experience to offer you, R J Jarvis Builders can deliver fantastic solutions for your property needs.

Why R J Jarvis Builders?

  • Loft conversions
  • Home extensions
  • General brick and stone work
  • General building work
  • Bathroom installations
  • Kitchen installations
  • Plus much more
No job too small

Whether it’s just a spot of paving or something more bespoke for your home or business property, we want our building services to be number one in your mind when you need work doing.
Building services you can trust in Hertfordshire

Extensions & Loft Conversion


Expert home extensions

Adding an extension is a great way to add value to your home for when it’s time to sell, as well as making your home better for right now. R J Jarvis Builders love making our customers happy and we make sure we offer a great value service.

Loft conversions in Hemel Hempstead

Maximise the space in your home by using our conversions team to completely transform your loft space. Converting your attic will therefore give you a significant amount of room that may be used for a wide variety of purposes. You can have a bedroom, a bathroom, an office, or even an entertainment room when you need to escape from the kids!

High standards all the time

Our quality control is renowned across the areas we service, and we look forward to seeing your face once you’ve set your eyes on your brand new home extension or loft conversion.

Kitchen & Bathroom Refurbs


Transform your kitchen or bathroom with us

Whether you want a 21st century wet room for your bathroom, or a traditional rustic look for your kitchen, our bathroom refurbishment team can do all the work for you.

From start to finish

We’re not just experts in bathroom and kitchen fitting, we also tile. By allowing us to do the whole lot, it means we can dedicate a certain amount of time with you, so you can really see your vision all the way through from the start to completion.

What R J Jarvis Builders can give to you:

  • Help with the design stage
  • Installation
  • Tiling
  • Plumbing
  • Electrics

Anything we’re not specialists in, we make sure the best people are brought in to do.


  • New Builds
  • Extensions
  • Renovations
  • Loft Conversions
  • Brick Work
  • Alterations
  • General Building
  • Plastering
  • Conversions
  • Refurbishments
  • Kitchen & Bathrooms


  • Hemel Hempstead
  • Kings Langley
  • Abbots Langley
  • Berkhamsted
  • St Albans
  • Harpenden
  • Tring
  • Dunstable
  • Surrounding areas