Contact Add Detail HIU Services London. For all Enquiries related to HIU services, feel free to get in touch with us. Our dedicated team is here to assist you with all your needs.

Add Detail Ltd

Register Office:

2 Kingdom Street, 6th Floor

Paddington, London, W2 6BD

Registered in England Company         No. 08991953

Vat Registration No. 230 828814

Tel: 020 8822 4451

Phone Line Open 9:30am to 3pm   Mon – Fri

Booking Enquiry WhatsApp: 07710391610

WhatsApp Line Open 8am to 6pm   Mon – Fri


Contact by Email 24/7


Mon-Fri: 8am to 6pm

Dipesh Jaichand
Easy to book, good comms, fair price and professional service. Recommended.
Daria K
Justin was great, quick to respond and changed thermostat so everything is working now, thank you
Isaac Perez
Excellent service and very professional engineers
Abi Turner
Excellent service. Reliable and value for money. Would definitely recommend.
jane tucker
Having had an estimate from another company who demanded total payment up front by bank transfer, I decide to look at other options for HIU repair. I contacted about 5 companies. Add Detail got back to me very quickly with a much better price and only wanted the cost of parts up front which I could easily pay by credit card. Jason the engineer arrived at the agreed time (he was early in fact) and did an excellent job, making sure that the system was working properly. He was very polite and made no mess. I have recommended this company to others on my development as there are always people having problems with the HIU's.
Erwin De Leon
The service timing was very efficient, engineer that attended my property was accommodating to all my questions. Service value is definitely worth it.
Michel de Baar
The service guy came out within 24 hrs of me calling them, knew to find the solution to the problem and fixed it. He was respectful and friendly, explaining along the way what he observed and gave a few tips on top of it. Thanks! Great service
David Polacek
Great service! Very punctual and professional!
Neli Valkova
Excellent company, very prompt and efficient service. Sorted out problem straight away and price was reasonable. Would highly recommend and will keep using their services. Really impressed.
Sofia Costa
Fantastic service provided by Add Detail! After two terrible experiences with other companies, I discovered Add Detail through a Google search. I messaged them on WhatsApp and received a prompt reply. A few days later, Justin came over and delivered impeccable service. Despite being initially informed that I needed a full HIU replacement, Justin skillfully replaced the malfunctioning pump, leaving everything fully operational! He was incredibly nice and helpful. I plan to rely on Add Detail for all my future HIU servicing needs. I highly recommend them.
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