That is the middle of 767 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 4.4 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.
767 homes sold in three years: 126 detached houses, 242 semi-detached houses, 374 terraced houses and 25 flats and maisonettes. A detached house sells for 2.6 times what a flat does.
Detached houses£266K
median sale · 126 sold in 3 years
Middle half
£225K–£360K
Last 12 months
£270K43 sold
Semi-detached houses£152K
median sale · 242 sold in 3 years
Middle half
£117K–£190K
Last 12 months
£153K77 sold
Terraced houses£97K
median sale · 374 sold in 3 years
Middle half
£75K–£130K
Last 12 months
£110K117 sold
Flats and maisonettes£103K
median sale · 25 sold in 3 years
Middle half
£64K–£135K
Last 12 months
£108K10 sold
The mix
A terraced town: half of homes sold are terraced
Detached houses16%
Semi-detached houses32%
Terraced houses49%
Flats and maisonettes3%
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.
Price range
Half of Seaham’s homes sold for between £90K and £195K
One sale in ten was under £65K and one in ten over £270K. 87% sold for under £250K.
Sales by price · Sep 2023 to Aug 2026
The median, £130,000, sits in the £100–150K band
767 standard sales. Each bar is the number sold in that price band; the darker bar holds the median.
Since 1995
The typical home costs 4.4 times as much as in 1995, a slower rise than England’s
Land Registry has recorded every sale since 1995. The median went from £31,375 in 1995 to £138,000 in the last 12 months (£119,995 in 2019).
31 years of sales
Fewer homes sell than in most years
247 sales in the last 12 months, against 690 in 2007, the busiest year, and 175 in 2009. Sales fell by 75% from 2007 to 2009 in the financial crisis, and the median by 15%. 2021, the stamp duty holiday, saw 43% more sales than 2020.
Homes soldMedian sale price
Against England
Seaham costs less than England as a whole
Median sale price each calendar year: Seaham, every standard sale in England, and the typical UK town (the middle of the town medians, towns of 2,500 or more).
By type
Flats and maisonettes rose the most since 1995
1995
2000
2005
2010
2015
2020
Last 12 months
Detached houses
£66K
£80K
£165K
£190K
£193K
£200K
£270K
Semi-detached houses
£39K
£44K
£105K
£103K
£107K
£131K
£153K
Terraced houses
£27K
£30K
£74K
£70K
£73K
£88K
£110K
Flats and maisonettes
£14K
£19K
£100K
£54K
£65K
£87K
£108K
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.
New builds
Hardly any new homes: 0% of sales in the last 12 months
1,306 new homes have been sold in Seaham since 1995; the share peaked at 40% in 2006.
New-build share of sales
Calendar years with 10 or more sales, then the last 12 months.
New builds and tenure · 3 years
7% of sales were leasehold
Nearly every flat in England and Wales is leasehold; among houses, 3.9% sold leasehold in Seaham. A leasehold buyer owns the home for a fixed term and may pay ground rent and service charges; check the lease before you buy.
Streets
The Avenue is Seaham’s busiest street, with 16 sales in three years
58 streets had five or more sales from Sep 2023 to Aug 2026, 7 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
The Avenue
SR7
16
£89,975
Mostly terraced houses
2
Stoneycroft Way
SR7
14
£210,000
Mixed
3
Melrose Crescent
SR7
14
£103,500
Mostly terraced houses
4
Mulberry Way
SR7
12
£199,750
Mixed
5
St Helens Drive
SR7
11
£140,000
Mixed
6
Hill Street
SR7
11
£81,000
Mostly terraced houses
7
Bethune Avenue
SR7
10
£95,500
Mostly terraced houses
8
Dene House Road
SR7
9
£320,000
Mostly detached houses
9
Marsdon Way
SR7
9
£315,000
Mostly detached houses
10
Weymouth Drive
SR7
9
£235,000
Mixed
11
Neasham Road
SR7
9
£215,000
Mostly semi-detached houses
12
Princess Road
SR7
9
£104,500
Mostly terraced houses
13
Mariners Way
SR7
8
£142,500
Mixed
14
Watling Avenue
SR7
8
£107,500
Mostly semi-detached houses
15
Jasper Avenue
SR7
8
£85,000
Mostly terraced houses
Dearest streets
Dalton Heights: £405,000
Seaham median£130K
Dalton Heights£405K
Dene House Road£320K
Marsdon Way£315K
Souter Drive£248K
Camden Square£245K
Cheapest streets
Strangways Street: £59,950
Seaham median£130K
Strangways Street£60K
Dovedale Court£60K
Eloise Close£68K
Mount Stewart Street£70K
Fern Crescent£78K
Among streets with five or more sales; the dearest street’s median is 6.8 times the cheapest’s. Street medians mix types: a street of detached houses beats one of flats.
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.
Across County Durham
Seaham is the 29th most expensive of 52 towns in County Durham
Seaham is in the middle of County Durham’s towns to buy in; the typical UK town’s median is £277,000.
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 Seaham
What is the average house price in Seaham?
The median home in Seaham sold for £130,000 from September 2023 to August 2026, across 767 standard sales (£138,000 in the last 12 months). By type: detached houses £266,000, semi-detached houses £151,500, terraced houses £97,000 and flats and maisonettes £103,000.
Are house prices going up in Seaham?
The median was £130,000 in 2025, up 4% on 2024 (£125,000), and £138,000 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 Seaham each year?
247 standard sales were recorded in the last 12 months, against an average of 286 a year since 2015. Repossessions, company purchases and other non-standard sales aren’t counted.
What are the most expensive streets in Seaham?
Among streets with five or more sales in three years: Dalton Heights (SR7, £405,000), Dene House Road (SR7, £320,000) and Marsdon Way (SR7, £315,000).
Is Seaham expensive for County Durham?
Seaham is the 29th most expensive of 52 towns of 2,500 or more in County Durham by median sale price.
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.