House prices on Mountain Ash

Median value — November 2026

£919,000

Modelled from 10 properties Stede tracks in Mountain Ash

Market snapshot

£919,000

Median value

£913,100

Average value

1

Sales in the last 12 months

-1%

Change over the past year

Value over time

  • Modelled value
  • Projected
£200k£400k£600k£800k20002002200420062008201020122014201620182020202220242026

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£240,881
2001£269,655
2002£315,059
2003£338,748
2004£370,560
2005£374,053
2006£408,037
2007£451,309
2008£390,977
2009£399,172
2010£416,073
2011£420,739
2012£433,961
2013£451,982
2014£506,077
2015£558,429
2016£601,037
2017£626,839
2018£619,123
2019£607,690
2020£634,973
2021£656,773
2022£706,350
2023£697,239
2024£706,172
2025£711,870
2026£707,000

There aren't enough recorded sales on Mountain Ash alone to model a trend for it, so this line shows Marlow instead.

Property types

  • Detached house90%£926,000
  • Mid-terrace house10%£642,000

Recent sales

Addresses in Mountain Ash

About this area

Mountain Ash, in Marlow, is a street. Stede can model 10 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.

As of November 2026, Mountain Ash has a median estimated value of £919,000 and an average of £913,100.

Modelled values in Mountain Ash are -1% over the past year and +8% over five years.

The market here is mostly detached houses, which make up 90% of the properties Stede tracks in Mountain Ash.

1 sale was recorded in Mountain Ash over the past 12 months.

Common questions

What is the average house price in Mountain Ash?

As of November 2026, the average estimated value is £913,100 and the median is £919,000 across 10 properties Stede tracks in Mountain Ash. This is not a formal market valuation.

Are house prices in Mountain Ash going up or down?

Modelled values in Mountain Ash are -1% over the past year and +8% over five years, based on the UK House Price Index.

What types of property are in Mountain Ash?

90% of the properties Stede tracks in Mountain Ash are detached houses. mid-terrace houses are next most common, at 10%.

How many properties are in Mountain Ash?

Stede can model 10 properties in Mountain Ash, with 1 recorded sale in the past 12 months.

How does Stede calculate house prices for Mountain Ash?

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 →