"Shower installation cost" is one of the most-searched bathroom phrases in the area — and one of the least straightforward to answer, because the words cover everything from a 90-minute swap to a three-day conversion. Here's the honest breakdown by job type, with the numbers framed the way a fitter actually prices them.
Four Jobs, One Search Phrase
Before any number means anything, identify which job you're pricing: (1) replacing an existing shower unit like-for-like; (2) fitting a new shower type onto existing plumbing; (3) building a new enclosure where none existed; (4) converting a bath space to a walk-in shower. Each involves different trades, days and risk — and quotes only compare within a category, never across them (the trap our quote guide warns about).
Job 1: The Like-for-Like Swap
Old electric shower for new electric shower, same position, same cable, same pipe: typically a plumber-or-electrician half-day, and market rates around the low hundreds plus the unit (decent units from around £100–£250 — the brand guide covers which). One caveat turns swaps into bigger jobs: a higher-kilowatt unit than the old cable supports means a new circuit — electrician territory, priced accordingly.
Job 2: New Shower, Existing Bathroom
Adding a thermostatic mixer over a bath, or swapping electric for mixer: now there's pipework routing, a valve in or on the wall, and usually a screen and wall-finish repair — mid-hundreds in labour and materials as a market range, more if the wall finish around it needs rebuilding (which, once opened, it often does; that's how "fit a shower" becomes "refit the wall", and why we'd usually say do the wall properly once — wet wall logic).
Job 3: New Enclosure from Scratch
Tray, waste, enclosure, valve, wall finish, sometimes floor: real four-figure territory at market rates, because it's a mini-refit touching plumbing, walls and floor together. At this scale, the incremental step to refitting the whole room shrinks fast — which is why standalone enclosure builds are rarer than people expect, and why quotes for them deserve the full cost-driver checklist.
Job 4: Bath-to-Shower Conversion
Our specialist lane, and the version most searchers actually want: bath out, walk-in enclosure in its footprint, wet wall, flooring made good — from £2,299, typically £2,299–£3,799 fitted, in about three days, with finance from £42/month. Full inclusions on the conversion page, and the wider walk-in numbers in the walk-in shower cost guide.
What Moves the Price
- Electrics: new circuits for higher-kW units; certification always included in a proper quote (why)
- Water system: gravity homes may need a pump — or the shower choice changes (system guide)
- Wall condition: what's behind the old tiles decides half the labour
- Waste routing: moving a shower away from existing drainage adds real cost — same 1.5 m logic as WCs
What We Do and Don't Quote
Honesty saves everyone's time: we're a supply-and-fit firm built around conversions and full refits — the small like-for-like swap is a local plumber's job, not ours, and we'll say so on the phone. If your shower project touches walls, trays, enclosures or the whole room, that's exactly what the free home visit prices, fixed, in writing, on the day.
Related reading: Bath to shower conversions, Walk-in shower cost guide, Electric vs mixer vs power, What adds cost to a quote.
Not sure which way to go in your own bathroom? Call 01236 801802 — a five-minute conversation usually settles it.