Endorsed by Which?

R.O Allum & Sons

5.0

15 Reviews

Opening Hours
Today - 07:30–16:00
  • Monday 07:30–16:00
  • Tuesday 07:30–16:00
  • Wednesday 07:30–16:00
  • Thursday 07:30–16:00
  • Friday 07:30–16:00
  • Saturday - Closed
  • Sunday - Closed

What is a Which? Trusted Traders Hertfordshire Trading Standards Approved Endorsement?

Which? Trusted Traders has partnered with Hertfordshire Trading Standards to create a Hertfordshire Trading Standards Approved endorsement. In addition to our standard trading standards assessment, this trader has had a DBS check and is subject to a Trading Standards intelligence check

About

We are a family run business that has been trading since 1976 in Tring, Berkhamsted and surrounding areas.

What we do

  • Builders

    • Extensions
    • Building services
    • Garage conversions
    • Loft conversions
    • Guttering repair services
  • Groundwork contractors

    • Foundations
  • Patios and driveways

    • Driveway installation and maintenance
    • Patio installation and maintenance
  • Painters and decorators

    • Exterior decorating
    • Interior decorating
  • Bricklayers

  • Handyman and home maintenance services

Customer reviews

Why you can trust these reviews

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100% of the reviews we publish have been through our stringent moderation process.

5.0
15 reviews
Customer Service
5.0
Quality
5.0
Value
5.0
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Excellent kitchen extension
Customer Service
Quality
Value
RO Allum had successfully completed an extension for us about 12 years earlier so we had no hesitation in asking them to quote for the construction of the extension to the kitchen to our current house. Their quote was competitive and there were no hidden extras. Any additional work required or requested were priced fairly and agreed before being undertaken. Any issues that arose were discussed with us before proceeding and any snags were swiftly dealt with. We had to delay the start and Mark accepted this graciously. The estimated timescale for the build was accurate. Mark went above and beyond in matching the bricks and sourcing suitable coping stones. The end result was that people have commented on the match and said they would never have guessed it was an extension. All Mark's team and the trades he brought in were friendly and considerate. We are delighted with the end result.
Customer in Hertfordshire Posted on 23/01/2025 , work completed 13/12/2024
Brilliant builders
Customer Service
Quality
Value
I would absolutely recommend Mark & his team from R.O Allum & Sons, they made our experience with them so easy and stress free, kept us updated all the time and they were all so lovely. We had a double story extension completed in December 2024 and the quality of the workmanship is outstanding, their reputation really speaks for itself and we have since recommended them to friends & neighbours. We would use them every time for any building works needed. 5 stars
Customer in Hertfordshire Posted on 21/01/2025 , work completed 06/12/2024
Bathroom renovation
Customer Service
Quality
Value
We moved into a house that had not been decorated for decades, the bathroom was in dire need of renovation. Mark, Charlie and the team were outstanding. They arrived when they said they would, they dealt with any issues they came across (they needed to mend some rotten floor joists) they were tidy and took away all the rubbish and they have left us with a beautiful bathroom! The invoice was as discussed so no surprises and I will be asking them to replace our kitchen next year!
Customer in Buckinghamshire Posted on 12/11/2024 , work completed 08/11/2024
New build house
Customer Service
Quality
Value
New House Build We used R.O Allum & Sons for the groundworks and build of a new build house and it couldn't have been a more enjoyable and stress free experience, from beginning to end. Mark and his team are just brilliant. Very friendly, hard working and providing a great quality of work. We started the build conscious of stress with neighbours due to possible noise disruption and mess, but very quickly realised we had no cause for concern. We've had so many of our neighbours complement us on the site works, the team involved and the quality of the build. We couldn't be happier. I would 100% recommend Mark for any building works required.
Customer in Hertfordshire Posted on 11/10/2024 , work completed 16/08/2024
Full house refurbishment and double extension
Customer Service
Quality
Value
Mark and his team were brilliant from start to finish. They completed our full house refurbishment on time and in budget. All the team were incredibly friendly and prided themselves on their exceptional quality work. Mark’s advice throughout was always practical and well thought through. No request was too small for him and the team. We really appreciated having all the trades together (plumber, electrician, carpenter) so there was no waiting or coordination needed from our side. We would have no hesitation in highly recommending Mark and team!
Customer in Hertfordshire Posted on 16/05/2024 , work completed 28/07/2023
Quality work from a friendly team
Customer Service
Quality
Value
Mark and his team are superb. They built our extension 6 years ago and they were my #1 choice when I wanted an office cleared, the ceiling replaced, new lighting fitted and the room decorated from top to bottom. Everyone was friendly, tidy, prompt and did what they said they would do. Nothing was added to the quote unless I asked for it. Overall, absolutely excellent.
Customer in Hertfordshire Posted on 27/03/2024 , work completed 31/01/2024
Garage conversion
Customer Service
Quality
Value
We have used R O. Allum previously and did not hesitate to get them back for the garage conversation which included a bedroom, shower room and utility room. The team were all very friendly and polite and turned up every day on the dot. Their work was excellent and we would have no hesitation in recomnending them to people looking for a competitive quote and 5 star service
Customer in Hertfordshire Posted on 12/02/2024 , work completed 02/10/2023
High standard of work and on budget
Customer Service
Quality
Value
We were recommended RO Allum by a friend and are very happy to pass on the recommendation. We needed two internal walls and a fireplace removed, RSJs added, some stud work and a new kitchen fitted. Mark and his team started on time and completed the job to a very high standard. All tradespeople on site were friendly and punctual and were flexible with changes to the plan. Any unexpected issues were fixed without fuss. The final cost matched the quote so no nasty surprises. We would be very happy to use Mark and RO Allum again
Customer in Hertfordshire Posted on 08/02/2024 , work completed 30/04/2023
Quality Workmanship
Customer Service
Quality
Value
We would highly recommend R O Allum. We found them to be reliable, trustworthy and their standard of work was of a high standard. We extended our kitchen and the team were helpful and friendly and gave us good solid advice. We felt safe in their hands and confident that they knew what they were doing and we never had any issues. We also felt comfortable in asking questions and they were always to hand if if we needed anything at all. We would be happy to show anyone the work that was carried out at our home to demonstrate their exceptional quality of work.
Customer in Hertfordshire Posted on 06/02/2024 , work completed 30/09/2023
Exterior work
Customer Service
Quality
Value
We used R O Allum last year to undertake internal decorating works when we moved into our house. Their work was of very good quality and their staff could not have been more helpful. They delivered everything we needed to a high standard. In recent weeks we decided to do some hard landscaping in our garden and had no hesitation in offering the work to Mark at R O Allum after our previous experience. They removed old concrete and decking, dug out additional flower bed space, laid some turf, a new patio and path and painted the fence. We are very pleased indeed with the results and the price was competitive. Our garden was always left clean and tidy, the team were onsite early every morning and everyone who came was introduced by name if I was there, each of them friendly, pleasant, polite and they just got on with it. We always feel able to trust the Allum team on our property if we are not there which is a big plus. We would certainly recommend R O Allum and Sons.
Customer in Hertfordshire Posted on 17/07/2020 , work completed 16/07/2020