House prices in Blackfen

Median value — June 2026

£414,418

Modelled from 14 properties Stede tracks in Blackfen

Market snapshot

£414,418

Median value

£454,738

Average value

0

Sales in the last 12 months

+1%

Change over the past year

Value over time

  • Modelled value
£0£100k£200k£300k£400k£500k20002002200420062008201020122014201620182020202220242026

Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled value
2000£111,486
2001£125,130
2002£157,124
2003£173,618
2004£188,414
2005£191,200
2006£203,377
2007£223,242
2008£197,126
2009£200,953
2010£204,763
2011£203,917
2012£211,513
2013£226,966
2014£267,756
2015£302,257
2016£338,314
2017£348,099
2018£351,393
2019£345,878
2020£360,314
2021£391,265
2022£426,938
2023£400,685
2024£413,838
2025£421,050
2026£414,418

Property types

  • Mid-terrace house86%£413,292
  • Semi-detached house14%£443,500

Recent sales

Addresses in Blackfen

About this area

Blackfen, in Sidcup, is a village. Stede can model 14 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.

As of June 2026, Blackfen has a median estimated value of £414,418 and an average of £454,738.

Modelled values in Blackfen are +1% over the past year and +11% over five years.

The market here is mostly mid-terrace houses, which make up 86% of the properties Stede tracks in Blackfen.

Common questions

What is the average house price in Blackfen?

As of June 2026, the average estimated value is £454,738 and the median is £414,418 across 14 properties Stede tracks in Blackfen. This is not a formal market valuation.

Are house prices in Blackfen going up or down?

Modelled values in Blackfen are +1% over the past year and +11% over five years, based on the UK House Price Index.

What types of property are in Blackfen?

86% of the properties Stede tracks in Blackfen are mid-terrace houses. semi-detached houses are next most common, at 14%.

How many properties are in Blackfen?

Stede can model 14 properties in Blackfen, with 0 recorded sales in the past 12 months.

How does Stede calculate house prices for Blackfen?

These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.

How we calculate this

These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.

Read the full methodology and data sources →