Heated towel rail buying guide
Updated: October 2026
You are looking at a bathroom wall and a shortlist that does not share one set of numbers. One amazon.co.uk listing in this set prints 1,328 BTU at delta T60. Others print a BTU with no delta. One rail is an 80 W dry electric heater. This heated towel rail buying guide is the order of decisions for those twelve listings, before you compare them on the [towel radiator comparison](/hub/heating/towel-radiator). If you buy through our links, we may earn a commission at no extra cost to you.
You are looking at a bathroom wall and a shortlist that does not share one set of numbers. One amazon.co.uk listing in this set prints 1,328 BTU at delta T60. Others print a BTU with no delta.
You are looking at a bathroom wall and a shortlist that does not share one set of numbers. One amazon.co.uk listing in this set prints 1,328 BTU at delta T60. Others print a BTU with no delta. One rail is an 80 W dry electric heater. This heated towel rail buying guide is the order of decisions for those twelve listings, before you compare them on the towel radiator comparison. If you buy through our links, we may earn a commission at no extra cost to you.
Our top picks
| Badge | Product | Heat source | Printed output | Pipe centres | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  Go Bathrooms Go Bathrooms Nola 770 x 500 | Central heating | 1,328 BTU at delta T60 | Not printed | 9.0 | about £41.99 | View offer |
 Greened House Milano black 400 x 800 | Central heating | 825 BTU / 241 W | 350 mm | 9.3 | about £44.21 | View offer | |
| Alternative |  Manissa Manissa Siena 400 x 720 electric | Dry electric | 80 W | None | 8.8 | about £69.00 | View offer |
On this page
Choose the heat source before the finish
The first filter is the machine, not the colour. Eleven listings here are water-fed central-heating rails. They warm towels while the heating circuit is running. The exception is the Manissa Siena, 400 x 720 mm, at 80 W and £69.00, with 4.4 from 539 reviews. It is a dry electric rail with a hard-wired 3 amp fused spur and a 1 m cord. Summer towels with the boiler off means the Siena. A radiator swap on existing pipes means a water rail.
The NRG anthracite ladder, 700 x 400 mm at £36.99, puts dual fuel in a highlight and does not state an element wattage, a T-piece, or an IP rating. The split is on the electric or central heating towel rail page.
Read the delta before the BTU
A BTU figure is comparable only when you know the temperature difference it was rated at. BS EN 442 rates hydronic output in watts at delta T50 and delta T30. Delta T60 is a larger gap, so the same rail prints a higher number. Only the Go Bathrooms Nola states a delta: a black L-shape, 770 x 500 mm, at £41.99, with 1,328 BTU at delta T60 and 4.6 from 205 reviews. You cannot rank that 1,328 against an 825 BTU that never names its test point. A line that says CE and EN 442 is a water-radiator claim, not an electrical approval for a bathroom zone.
Pipe centres and the valve bill
Pipe centres are the distance between the two water connections. On the Greened House ladders that print the figure, it sits 50 mm inside the stated width: 250 mm, 350 mm, or 450 mm. The Richmond 500 x 800 mm states 450 mm. The Richmond 400 x 800 mm states 350 mm. The Nola, the NRG, and the Siena do not print pipe centres. If your pipes are 450 mm apart, a 350 mm rail means the pipework moves.
None of the twelve listings states that valves are in the box. The water-rail boxes that list contents give brackets, screws, plugs, a blanking plug, and an air vent. The NRG says brackets and fixings only. Measuring those centres before you drill is the start of how to fit a heated towel rail.
Finish after the plumbing
Chrome on these ladders is a coating, not a steel grade you can take from the colour field. The technical line on the Greened House chrome rails says chrome plated mild steel. The 300 x 800 mm colour field says mirror polished stainless steel, the technical line says chrome plated mild steel, and the material field says alloy steel. One review of the 500 x 600 mm chrome rail says the chrome rusted in a damp room. The Siena names 201 stainless steel, and it is the electric rail.
Matt black on the Milano and Richmond rows is paint or powder coat on steel, and it is still a water rail. The best heated towel rail page applies these rules to a water-fed swap, a narrow wall, or summer towel warmth.
Common questions
Do I choose the heat source before the finish?
Yes. Decide whether the heating circuit will do the work, or whether you need the 80 W Siena with the boiler off, before you choose black or chrome. Eleven listings here are water-fed. The NRG's dual-fuel highlight does not state an element, so it is not a third machine you can specify from the file. Colour is the last filter, after pipe centres and valves.
Can I rank the Nola's 1,328 BTU against another listing's BTU?
No. The Nola is the only row that states delta T60. The other water rails print a BTU, and often a watt figure, without a delta. BS EN 442 ratings are quoted at delta T50 and delta T30, a different test point from delta T60. We have not converted the Nola's number with a shop factor. Keep it in its own column.
What are pipe centres on the Greened House ladders?
Where the listing prints them, they are 50 mm less than the stated width: 250 mm, 350 mm, or 450 mm. Check the row you are buying, because the Nola, the NRG, and the Siena do not print centres. A mismatch means the pipes move, which is a plumber's job if you cannot alter them safely yourself.
Are valves in the box?
Not on any listing in this set. The Richmond bullets say valves are not included, and reviews of the Greened House ladders say you buy them separately. The usual water-rail box is brackets, screws, plugs, a blanking plug, and an air vent. Add the valve pair to the budget before you compare shelf prices from £36.99 to £70.01.
Is chrome the same as stainless steel?
On these chrome ladders, the technical line says chrome plated mild steel. The 300 x 800 mm colour field says stainless, and that clashes with the technical line, so the colour field is not the metal grade. The Siena states 201 stainless steel, and it is the dry electric rail.
Related pages
Sources
Public UK sources and the amazon.co.uk listings in this comparison. Page updated October 2026.
- Approved Document P (retrieved 16 October 2026)
- Building Regulations amendment 2012, regulation 6 (retrieved 16 October 2026)
- GOV.UK: building work, replacements and repairs (retrieved 16 October 2026)
- Consumer Rights Act 2015, section 9 (retrieved 16 October 2026)
- MARC on BS EN 442 (retrieved 16 October 2026)
- BSI, BS EN 442-2:2014 (retrieved 16 October 2026)
- SELECT bathroom zones guide (retrieved 16 October 2026)
- Stelrad: the importance of delta T (retrieved 16 October 2026)