Once the trades have packed up, you’re left with fine dust on every surface, paint splashes, adhesive residue and debris in places you didn’t know existed. An after builders clean turns a finished-but-filthy site into a space that’s ready to hand over, open or move into. Here’s what it typically costs in the UK, what drives the price up or down, and a checklist you can use to brief a cleaner (or check their work).
What does after builders cleaning cost in the UK?
After builders cleaning is usually priced in one of three ways, and the right one depends on the size and state of the site:
- Per square metre / square foot — common for larger commercial or new-build projects, where the area is easy to measure.
- Per hour, per cleaner — suits smaller or unpredictable jobs where it’s hard to estimate scope up front.
- Fixed project price — a single quote for the whole job after a site visit, which gives you budget certainty.
Because the amount of dust and debris after a build varies enormously, most reputable providers prefer to quote after seeing the site (or clear photos and a floor plan). That’s the only way to price it fairly — a light sparkle clean on a new-build flat is a very different job from a full post-strip-out clean on a commercial unit.
Rather than quote a figure that won’t match your site, we give a tailored price after a quick survey. See our after builders cleaning service or request a free quote.
What affects the price?
- Size of the area and number of rooms, floors and bathrooms.
- How heavy the mess is — fine settled dust vs. plaster, grout haze, paint and adhesive.
- Number of cleaning stages — many sites need an initial rough clean, then a detailed clean, then a final “sparkle” before handover.
- Access and timing — out-of-hours, weekend or phased work, and whether services (water, power) are on.
- Specialist tasks — high-level cleaning, window and frame cleaning, or floor sealing.
After builders cleaning checklist
A thorough post-construction clean should cover the whole space, top to bottom. Use this as a guide:
Throughout
- Remove construction debris and rubbish from site.
- Dust and wipe all surfaces, including high level, ledges, skirting and radiators.
- Remove paint, plaster, grout haze, adhesive and sticker residue.
- Clean internal glass, windows, sills and frames.
- Clean doors, handles, frames, switches and sockets.
- Vacuum and mop all hard floors; vacuum carpets.
Kitchens
- Clean inside and outside of units and drawers.
- Degrease and polish worktops, splashbacks and sinks.
- Clean appliances inside and out.
Bathrooms & washrooms
- Descale and sanitise sanitaryware, taps and fittings.
- Clean tiling and remove grout haze.
- Polish mirrors and glass.
After builders cleaning vs. a regular clean
A standard clean maintains an already-clean space. An after builders clean deals with construction residue — dust that keeps resettling, hardened materials and debris — and usually needs specialist equipment and more than one visit. It’s worth treating as its own stage of the project, not an afterthought. For live or occupied sites during works, a related option is post-construction cleaning carried out as the build progresses.
Frequently asked questions
How long does after builders cleaning take?
It depends on the size and condition of the site. A small flat may take a day; a large commercial unit with several cleaning stages can take several days. A site visit gives an accurate timescale.
Should I book before or after snagging?
Many clients book a first clean so snagging can be done in a clean space, then a final sparkle clean just before handover. We can phase the clean around your programme.
Do you remove waste?
We remove general cleaning debris. Large volumes of construction waste or skips are usually handled separately — tell us what’s on site and we’ll advise.
Planning a handover? Crystal Facilities Management provides professional after builders and post-construction cleaning for commercial and residential projects across London and the UK. Request a free site survey and quote.
Written & reviewed by Lyndon, Crystal Facilities Management — ISO 9001-certified facilities management, cleaning and security services.
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