Loft bathrooms in Heston

Postcode districts: TW4, TW5, UB2
Nearby: Hounslow, Isleworth and Southall
Guide price: £8,100–£16,250
Typical time on site: 6–12 working days
Water: Very hard across most of Greater London
Survey: Free, at your home

What does a loft bathroom cost in Heston?

Our guide price for a loft bathroom in Heston is £8,100–£16,250 including VAT. We adjust the national guide for London, where prices are typically about 25% above the UK average. The figure depends on the size of the room, whether anything moves, and the products you pick.

Refit

£6,900–£10,500

Shower, basin and WC replaced

Typical

Signature

£10,000–£16,250

Pump or macerator where needed

New loft bathroom

£12,500–£22,500

Formed in an existing loft room

Guide prices for Heston including VAT. Your itemised written quote after the free survey is the price that counts.

Working in Heston

We cover every part of Heston, including TW4, TW5 and UB2, and nearby Hounslow (1.2 miles) and Isleworth (1.5 miles).

In Heston, many bathrooms are in flats or converted houses, so we check lease consents, access and the floor below before we price. We plan loft bathrooms in Heston around the roof line, so the shower sits where you can stand and the eaves become storage. If your Heston loft conversion has a bedroom but no bathroom, the survey starts with where the soil stack runs and how much headroom you have.

Water across much of Greater London is very hard. If your supply in Heston is the same, limescale on shower glass and heads is a real issue: easy-clean glass, rub-clean nozzles and a squeegee make a big difference. Hardness varies street by street, so check the figure for your postcode with your water supplier.

What the job includes

A drainage route from the loft to the soil stack with enough fall, or a pumped waste or macerator where the rules allow it
A shower pump on a gravity system, an electric shower, or advice on moving to mains pressure, depending on your system
An extractor fan ducted through the roof or a gable wall, with the duct insulated through cold spaces
A survey of the headroom across the room, with the usable height marked at each fitting position

Decisions to make first

Getting the water pressure

A pumped shower suits a gravity system with a cold tank; an electric shower heats cold mains water at the point of use; a combi or unvented cylinder gives mains pressure throughout.

Bath or no bath

A bath under the slope makes good use of low space, but the floor has to carry it when it is full of water and someone is in it.

Rules that apply in England

In England, new drainage and a new connection to the soil stack fall under Part H, a new bathroom needs extract of 15 litres per second intermittent or 8 litres per second continuous under Approved Document F, and new circuits are notifiable under Part P. If the work includes an unvented hot-water cylinder, it must be fitted by a G3-qualified installer.

More about loft bathrooms

Loft bathrooms in Heston: questions

How much should I budget for a loft bathroom in Heston?

A loft bathroom in Heston usually costs £8,100–£16,250 including VAT. The final figure comes down to what you choose and what we find at the survey; your written quote lists every item so you can see where the money goes.

Is the water hard in Heston?

Who handles building control for a loft bathroom in Heston?

Building control for Heston is handled by the local council or an approved inspector. If your job needs sign-off — for example a new circuit, new drainage or a new extractor where there was none — we tell you at the survey and handle the notification as part of the work.

How long does a loft bathroom take?

Allow 6–12 working days on site for most jobs, plus the lead time for products after you approve the quote. We give you a day-by-day plan before work starts in Heston.

Electric shower or pumped shower in a loft?

An electric shower heats cold mains water as it flows, so it works in a loft whatever your hot-water system, but its flow is lower than a good pumped or mains-pressure mixer and it needs its own electrical circuit. A pumped mixer gives a stronger shower on a gravity system. See choosing a shower for the full comparison.