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№ 02 / 09 · Prices

What do houses cost in Longfield, New Ash Green and Hartley?

For anyone buying or renting in Longfield, New Ash Green and Hartley.

Around £470,000, and for that you get a house, not a flat. Detached homes sell for well over £650,000. Terraces go for about a third of a million. Flats hardly change hands at all. This is a market for people who have already done their time in a flat somewhere else.

In the year to mid-May 2026, the Land Registry recorded 182 sales at a median of about £468,000. Most of the money went on 70 detached houses at a median of around £654,000. Another 59 terraces sold for about £335,000 and 41 semi-detached houses for £500,000. Just 12 flats sold, at around £235,000. The terrace is the entry ticket here, and it costs what a detached house costs in plenty of other towns.

The house price index for the wider area rose 3.9% in the twelve months to May 2026, to an average of about £554,000. Flats rose 0.9% over the same period, which is barely a change at all. Houses are gaining value slowly and flats are standing still. The house price index covers a wider area than these villages, so read it as the general direction rather than the price of any one street.

The most common council-tax band is C, and only 9% of homes sit in the two cheapest bands, A and B. A band D home pays about £2,520 a year. If you are hoping to trade down into a low council-tax band here, you will find very few homes to choose from.

Renting is priced for the whole district. The typical private rent across the Sevenoaks area was about £1,780 a month as of April 2026. That figure is an average from the Office for National Statistics rent index, not a median of local listings. By size, the Sevenoaks-area averages run from about £1,250 a month for one bedroom to about £1,560 for two, about £1,900 for three and about £2,920 for four or more. The index publishes no figures for studios or single rooms. Anyone paying close to three thousand a month for a four-bed will soon start wondering why they aren't paying a mortgage instead.

The Office for National Statistics puts median gross household income, before tax, at about £62,800 for the financial year to March 2023, or about £44,200 after tax. Set against a median sale price near half a million, a single income will struggle to buy here. A couple on two good salaries can manage, if they are willing to live on toast for a while. Those income figures are modelled and a few years old, so treat them as a guide rather than a current payslip.

Among the sales that could be matched to a floor area on an energy performance certificate, 82% of the total, the median price was about £4,360 per square metre. The typical home behind that figure has about 97 square metres of floor space. That is family-sized space at family-sized prices. The price per square metre is the same whether the floor holds a playroom or a room full of boxes nobody has opened since the move.

At the 2021 census, about 41% of homes had three bedrooms and 36% had four or more. Two-bedroom homes made up 17% and one-bedroom homes 6%. Small homes are scarce, so first-time buyers compete over a handful of them.

House prices here are middling to heavy: nothing about them is outrageous, and nothing is a bargain either. The money buys space and quiet, not value.

Sources: HM Land Registry · UK House Price Index · Valuation Office Agency · EPC register · ONS Census 2021 · Office for National Statistics

Data to May 2026 · Figures checked 29 September 2026 (what this means)