Sink and tap installation · Greater London
Sink and tap installation in Carshalton
Homeowners and landlords in Carshalton can book us for sink and tap installation: inset, undermount and ceramic sinks and kitchen taps fitted, including boiling water taps.

Thinking about sink and tap installation in Carshalton?
Plenty of people in Carshalton replace a sink and tap on their own when the tap drips, the bowl is stained or the waste drains slowly, without touching the rest of the kitchen.
People in Carshalton with low water pressure sometimes find a new tap disappointing, so checking the pressure before choosing a tap or boiling water tap saves trouble later. Homes right across Carshalton are covered, as are nearby places such as Wallington, Sutton and the villages in between.
What does the job involve?
Every kitchen is different, so we confirm the scope in writing. Most jobs of this kind include:
- Every joint leak tested, with water flow and drainage checked before handover
- Isolation valves on the hot and cold supplies, with flexible tap tails connected
- Sink moved to a new position with new supply and waste runs
- Inset sink cut-outs made on site in laminate and wood worktops
- Waste, overflow and trap fitted, with dishwasher and washing machine waste connections
- Boiling water tap fitted with its tank, filter and power supply in the cupboard
Guide prices for sink and tap installation in Carshalton
The figures below are guide prices for Carshalton, including VAT and adjusted for typical costs across London. The fixed price comes after we have measured up. Prices in London usually run above the national guide, mainly because labour and parking cost more.
| Typical project | Guide price |
|---|---|
| Sink and tap plumbed inIsolation valves, waste and trap | £260–£520 |
| Boiling water tap installedTank under the sink, filter and power supply | £200–£460 |
| Sink moved to a new positionNew supplies and waste run | £520–£1,300 |
| Undermount sink in a stone worktopCut-out and polishing are done by the stone fabricator | Priced with the worktop |
Guide ranges cover labour and fittings such as valves, tails and wastes; the sink and tap themselves are extra, and undermount cut-outs in stone are priced with the worktop by the fabricator. Prices include VAT at 20%.
House types around Carshalton and what they mean for a kitchen
Across Greater London you will often find Victorian and Edwardian terraces, conversion flats, mansion block flats and 1930s semis, and each shapes the kitchen differently. Victorian terraces often have a narrow galley beside the side return, while conversion flats and mansion blocks usually fit the kitchen into a small room or along one living-room wall.
London's mains water is hard, so limescale builds quickly on taps and boiling water taps, and a scale-reducing filter is worth planning in. Permit parking, red routes and flats without lifts are common, so parking suspensions, stair carries and lift bookings may need arranging before delivery day.
Do you need approval for sink and tap installation in Carshalton?
Replacing a sink and tap needs no approval in England, but the plumbing should meet the Water Supply (Water Fittings) Regulations 1999, including isolation valves and backflow protection. Connecting to an existing waste is routine, while a new connection to an underground drain involves building control. A new spur for a boiling water tap on an existing kitchen circuit is not notifiable under Part P, but it must meet BS 7671.
Conservation areas are widespread across London, so a new extractor vent on a front wall may need permission, and leaseholders usually need the freeholder's written consent first.
Tips before you start
- Find the stopcock in your Carshalton home before the plumber arrives and check it turns off fully, as older stopcocks can stick or let water past.
- Choose the sink before stone worktops are templated in your Carshalton kitchen, so the fabricator can cut and polish the undermount opening to suit it.
- Ask whether a boiling water tap for your kitchen in Greater London needs a filter, how often it should be changed and where it will sit in the cupboard.
- Ceramic farmhouse-style sinks are heavy and need a base unit designed to carry them, with the worktop planned around the sink.
Questions about sink and tap installation in Carshalton
How much does sink and tap installation cost in Carshalton?
Guide prices in Carshalton are about £260 to £520 including VAT for plumbing in a new sink and tap. The final price depends on the size of the kitchen and what is moving, and is set out in an itemised written quote.
Do you cover all of Carshalton?
Yes. We work across Carshalton, including the SM5 postcode district, and nearby towns such as Wallington and Sutton. Book a free survey visit and we will arrange a time that suits you.
What do I need for a boiling water tap?
A boiling water tap needs a tank in the cupboard under the sink, usually a socket or fused spur to power it, and often a filter, particularly where the water is hard. Some models have a minimum water pressure, so check yours before buying. The tap also needs a correctly sized hole in the sink or worktop and enough clear cupboard space for the tank and pipework.
Can a dishwasher and washing machine drain through the sink waste?
Yes, in most kitchens. The sink trap can take an appliance connection on a spigot, or a separate standpipe can be fitted. The appliance hose needs to rise to the height its manufacturer specifies before it drops to the waste, so dirty water cannot siphon back. Two appliances can usually share a double-spigot trap, which we plan with the sink.
What is the difference between an inset and an undermount sink?
An inset sink drops into a cut-out from above, with its rim resting on the worktop, and suits laminate, wood and stone. An undermount sink is fixed beneath the worktop so the edge of the cut-out is exposed, which usually calls for a solid, water-resistant material such as stone or solid surface. Undermount cut-outs in stone are cut and polished by the fabricator.
Nearby places we cover
We also carry out sink and tap installation in these towns near Carshalton:
- Sink and tap installation in Wallington
- Sink and tap installation in Sutton
- Sink and tap installation in Mitcham
- Sink and tap installation in Morden
- Sink and tap installation in Croydon
- Sink and tap installation in South Croydon
- Sink and tap installation across Greater London
