What to expect a deep clean to take and cost for your size home

Plenty of people book a deep clean based on the lowest quote without understanding what they're actually comparing. A quote that comes with no clear scope or time estimate can mean someone spends two hours in your lounge and calls it done — leaving behind the work that separates a real deep clean from a routine tidy. To evaluate a quote fairly, you need to know what genuinely drives the price and what gets silently excluded from a bargain-basement estimate.

Time, not just tidiness

The biggest cost driver is labour hours, and those hours are determined by what deep cleaning actually requires. A one-bedroom flat takes fundamentally less time than a four-bedroom house with tiled floors, because square metres and surface types directly affect how long tasks take. Scrubbing grout, degreasing behind appliances, cleaning inside cupboards, tackling baseboards and light fittings — these are time-intensive. When you're comparing quotes, ask each cleaner for their estimated duration, not just a price. If one quotes three hours and another quotes eight for the same property, one of them is either including far more work or underestimating how long it actually takes. Either way, you're not comparing like with like.

The property condition at start matters too. A home that's been maintained with regular cleaning will take less deep-cleaning time than one that hasn't been touched in months. If your place is cluttered, has built-up dust or visible grime, cleaners might quote longer — or they might quote without adjusting the time at all and plan to rush through it. This is where the initial conversation gets crucial. Be honest about the condition, and watch whether the cleaner's estimate adjusts accordingly.

What's included and what costs extra

Deep cleaning can mean different things depending on which services you're actually paying for. One cleaner's deep clean might include carpet shampooing; another's might not. One might clean windows; another only interior surfaces. One might move small furniture to clean behind; another won't. None of these are hidden — but they're often not volunteered either unless you ask specifically.

Specialised treatments typically add cost. If you want upholstery cleaned, tile grout treated chemically, or oven interiors steam-cleaned, those are separate jobs requiring different equipment and expertise. A quote that claims to "include everything" without listing specifics may simply omit these entirely. Get a line-by-line breakdown of what you're paying for. A comprehensive quote will spell out which rooms get full attention, which surfaces are covered, and which services cost extra.

Property size and layout complexity

An open-plan 80-square-metre flat is not proportionally cheaper than a 200-square-metre three-bedroom because there are fixed costs: travel time, setup, equipment deployment. The relationship between size and price is not linear. A compact townhouse in a complex might actually cost more per square metre than a sprawling single-storey because access is trickier or parking delays eating time. A multi-storey home costs more than single-level because of movement and fatigue factors.

Floor type heavily influences labour. Polished concrete throughout costs less to deep clean than a mix of tiles, wooden floors and carpet, because the method changes room to room:

• Tiles require grout attention and often chemical treatment
• Carpets need shampooing or extraction equipment
• Wooden floors need specific, slower products to avoid damage
• Grout and sealant work is specialist time

When you're getting quotes, clarify whether the price assumes uniform flooring or whether it varies by surface. Don't assume a cleaner's flat rate per square metre accounts for your specific mix.

Making the comparison count

A genuine deep-cleaning quote should feel transparent: you can see why it costs what it does. A price that doesn't shift based on your home's actual size and condition, or that isn't accompanied by any explanation of scope, is a signal that something's been left out of the thinking. When you're ready to book, look for a service provider who takes time to understand your property, asks about problem areas, and explains how their estimate breaks down. That diligence is usually a sign they're costing the job properly, whatever their price point — rather than leaving out tasks without saying so.

You'll find vetted, verified cleaners on Strove who can give you that detailed breakdown and back it up with client reviews and photos of their work.