All three sell rigid kitchen units online for delivery across mainland UK. DIY Kitchens makes its own kitchens in Yorkshire and has by far the most reviews. Units Online and Online Kitchens UK sell brand-name kitchens such as Second Nature, Burbidge, Stori and TKC. The biggest practical differences are design charges, guarantees and delivery costs.
Checked October 2026Taken from each company’s own website and Trustpilot on 22 October 2026. Prices and terms change, so check before you buy.
Side by side
| Online Kitchens UK | Units Online | DIY Kitchens | |
|---|---|---|---|
| Kitchens | Second Nature, Kitchen Stori, Burbidge, Pronto by BA, TKC | Second Nature, Burbidge, Stori, TKC, 1909 and others | Own brand, made in Yorkshire |
| Units | Rigid, doors fitted | Rigid, doors and drawers fitted | Rigid (dry-assembled option) |
| Cabinet build | 18mm board, 18mm solid backs | Not stated on its website | 18mm MFC, 8mm backs |
| Hinges and drawers | Blum or Hettich soft-close | Not stated on its website | Blum soft-close |
| Carcase guarantee | 25 years | Not stated on its website | Not stated on the pages checked |
| Design service | Free plan, 3D images and itemised quote | £250, refunded on orders over £5,000 | Free planning app, or £29.99 expert planning |
| Delivery | £75–£250 + VAT by postcode area | Priced by address at checkout | £99 for most of the UK |
| Lead time | 2–3 weeks; painted 5–6 weeks | 2–3 weeks; painted can take longer | About 2 weeks; painted 3 weeks |
| Showroom | Cheltenham | Wellington, near Taunton | West Yorkshire and Oxford |
| Price promise | Beats a like-for-like quote | Matches any competitor’s offer | Price promise on its website |
| Trustpilot | 4.2 from 21 reviews | 3.8 from 18 reviews | 4.6 from 11,889 reviews |
Which suits you?
- DIY Kitchens: a long-established maker with a huge review record and a delivery price that is easy to predict. Choose it if you want its own ranges and are happy to plan with its app.
- Units Online: a wide choice of brand-name ranges, including some we don’t sell. Its planning service is charged up front and refunded on larger orders.
- Online Kitchens UK: brand-name kitchens with a free designer-drawn plan, 3D images and itemised quote, a 25-year carcase guarantee and a showroom in Cheltenham.
How to compare quotes
- Get an itemised quote from each, with every unit, panel and plinth listed.
- Check whether prices include VAT and delivery.
- Compare the cabinet specification: board, backs, hinges, drawers and guarantee.
- Compare the same door range where you can: several brands are sold by more than one retailer.
- Get fitting quotes from the same plan.