Homes in Seal sell for a median £570,000
That is the middle of 75 standard sales recorded by HM Land Registry from September 2023 to August 2026, against £277,000 in the typical UK town. The typical home sells for 5.9 times as much as in 1995. Below: what each type of home sells for, the spread of prices, every year since 1995, new builds, the busiest streets and the neighbours. Rents and council tax are on Cost of living.
A third of Seal’s sales are flats and maisonettes
75 homes sold in three years: 17 detached houses, 13 semi-detached houses, 22 terraced houses and 23 flats and maisonettes.
median sale · 17 sold in 3 years
- Middle half
- £527K–£1.6M
- Last 12 months
- £1.2M8 sold
median sale · 13 sold in 3 years
- Middle half
- £410K–£563K
median sale · 22 sold in 3 years
- Middle half
- £395K–£570K
- Last 12 months
- £445K9 sold
median sale · 23 sold in 3 years
- Middle half
- £240K–£1.2M
- Last 12 months
- £150K5 sold
- New build
- £1M
A mixed market: no one type makes up more than 31% of sales
Standard sales, Sep 2023 to Aug 2026. A median needs 5 sales of a type; “middle half” is the 25th to 75th percentile of 10 or more.
Half of Seal’s homes sold for between £405K and £912K
One sale in ten was under £255K and one in ten over £1.6M. 9% sold for under £250K.
The median, £570,000, sits in the £500–750K band
75 standard sales. Each bar is the number sold in that price band; the darker bar holds the median.
The typical home costs 5.9 times as much as in 1995, a faster rise than England’s
Land Registry has recorded every sale since 1995. The median went from £85,000 in 1995 to £505,000 in the last 12 months (£490,000 in 2019).
About as many homes sell as usual
26 sales in the last 12 months, against 49 in 2002, the busiest year, and 13 in 2012. 2021, the stamp duty holiday, saw 86% more sales than 2020.
Seal costs more than England as a whole
Median sale price each calendar year: Seal, every standard sale in England, and the typical UK town (the middle of the town medians, towns of 2,500 or more).
Terraced houses rose the most since 1995
| 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | Last 12 months | |
|---|---|---|---|---|---|---|---|
| Detached houses | £295K | £235K | £635K | — | £725K | £550K | £1.2M |
| Terraced houses | £66K | £119K | £165K | £224K | £300K | — | £445K |
Calendar years; a year’s median needs 5 sales of the type, so gaps are years with fewer.
Prices are as paid, not adjusted for inflation. Standard (category A) sales only; Land Registry adds a sale when it is registered, so the newest months fill in later.
4% of homes sold in the last 12 months were new builds
73 new homes have been sold in Seal since 1995; the share peaked at 38% in 2019.
Calendar years with 10 or more sales, then the last 12 months.
A new home sold for a median £1,050,000
against £469,000 for a home sold on, 124% more, over three years. New homes are often a different mix from the homes sold on, so part of the gap is size and type.
32% of sales were leasehold
Nearly every flat in England and Wales is leasehold; among houses, 1.9% sold leasehold in Seal. A leasehold buyer owns the home for a fixed term and may pay ground rent and service charges; check the lease before you buy.
Wildernesse Avenue is Seal’s busiest street, with 13 sales in three years
5 streets had five or more sales from Sep 2023 to Aug 2026, 2 of them ten or more. A busy street is often a new estate selling its first homes, or a long road of terraces and flats.
| # | Street | Postcode area | Sales | Median | Homes |
|---|---|---|---|---|---|
| 1 | Wildernesse Avenue | TN15 | 13 | £1,600,000 | Mixed · new builds |
| 2 | Carriage Lane | TN15 | 10 | £912,500 | Mostly flats · new builds |
| 3 | High Street | TN15 | 9 | £405,000 | Mixed |
| 4 | Childsbridge Lane | TN15 | 8 | £705,000 | Mixed |
| 5 | Church Street | TN15 | 5 | £444,000 | Mostly terraced houses |
Standard sales with a street name, grouped by street and postcode district (Sep 2023 to Aug 2026); a name used in two districts shows the district. Medians only: we don’t list individual sales.
Seal’s neighbours
Cheaper nearby: Dunton Green, Borough Green and West Kingsdown.
| Town | Miles | Median | Sold, 12 mo | Since 2016 |
|---|---|---|---|---|
| Seal | — | £570K | 26 | +18% |
| Otford and Kemsing | 1.5 | £615K | 86 | +34% |
| Sevenoaks | 1.8 | £671K | 294 | +34% |
| Dunton Green | 2.2 | £413K | 53 | +9% |
| Ightham | 2.8 | £868K | 20 | +18% |
| Borough Green | 3.9 | £426K | 70 | +17% |
| Wrotham | 4 | £520K | 19 | −9% |
| West Kingsdown | 4.1 | £460K | 41 | +27% |
Median: standard sales over three years (10+ needed). Since 2016: the median over three years against 2016’s. Miles: centre to centre.
Questions about property prices in Seal
What is the average house price in Seal?
The median home in Seal sold for £570,000 from September 2023 to August 2026, across 75 standard sales (£505,000 in the last 12 months). By type: detached houses £805,200, semi-detached houses £496,000, terraced houses £434,500 and flats and maisonettes £900,000.
Are house prices going up in Seal?
The median was £612,500 in 2025, up 12% on 2024 (£548,250), and £505,000 in the last 12 months. A town’s median moves with the mix of homes sold each year as well as with prices.
How many homes sell in Seal each year?
26 standard sales were recorded in the last 12 months, against an average of 28 a year since 2015. Repossessions, company purchases and other non-standard sales aren’t counted.
How much does a new build cost in Seal?
New homes sold for a median £1,050,000 over three years, against £469,000 for homes sold on. New builds were 23% of sales.
Sources: HM Land Registry Price Paid, every standard sale since January 1995 (yearly files of 28 September 2026), inside the ONS 2022 built-up-area boundary by postcode (ONS Postcode Directory) · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Postcodes placed with the ONS Postcode Directory (contains OS data © Crown copyright and database right 2026; contains Royal Mail data © Royal Mail copyright and database right 2026).
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.