There is a reason we ask about the building before we talk about stone, and bathroom worktop fitting in Erith is a good illustration of it. A riverside town with a lot of flats, tower and low-rise estate kitchens are single-run 2.4m boxes, newer riverside apartments have open-plan runs with an island, and the surviving Victorian terraces on the hill have small rear-addition kitchens. Whichever it is, the process below is the same, and the figure you get after templating is fixed.
The original units were screwed to timber grounds set into the wall, and where those were torn out the plaster was patched rather than replaced. Humidity is the difference nobody mentions, because a room that fills with steam twice a day treats sealant, grout and every joint in it far harder than a kitchen ever does. The depth sets the piece, not the length of the wall.
Kitchens are compact and standardised, which makes the fixed template, fabrication and fitting lines a larger share of the total than the stone. Floors are solid, so the unit sits where it is put and the levelling is done under it rather than argued with afterwards. Square rooms make short work of a vanity template.
The archetypes on this patch are Victorian terrace, 1960s tower block, postwar estate and 2000s-2010s riverside apartment. They are not interchangeable, and a worktop finds the differences quickly.
Figures cover the 2 statistical areas (MSOAs) around Erith| Figure | Erith | Against London |
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| homes built before 1919 | 25% | pre-1919 share higher than 54% of the 723 areas we cover |
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| households in a converted or shared house | 3% | converted-house share lower than 70% of the 723 areas we cover |
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| median sale price, postcode district, Jan 2024 to Jun 2026, n=660 | £362,500 | median price lower than 98% of the 722 areas we cover |
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Sources: VOA Council Tax Stock of Properties 2025 and ONS Census 2021 for MSOAs E02000068 and E02000069; HM Land Registry Price Paid for DA8. Open Government Licence v3.0.