House prices in CM20 3 (Harlow)

This article reveals price per square metre data and various charts to help you understand current housing market in Harlow (CM20 3).

Defining 'CM20 3'

This analysis is limited to properties whose postcode starts with "CM20 3", this is also called the postcode sector. It is shown in red on the map above. There are no official names for postcode sectors so I've just labelled it Harlow.

You can click on the map labels to change to a neighbouring sector, or you can enter a different postcode sector (e.g. CM23 4) below.

FYI, a postcode sector is the full postcode without the last two letters.

Price per square metre

Knowing the average house price in Harlow is not much use. However, knowing average price per square metre can be quite useful. Price per sqm allows some comparison between properties of different size. We define price per square metre as the sold price divided by the internal area of a property:

£ per sqm = price ÷ internal area
E.g. 260, Halling Hill, Harlow, sold for £341,000 on Mar-2024. Given the internal area of 90 square metres, the price per sqm is £3,788.

England & Wales have been officially metric since 1965. However house price per square foot is prefered by some estate agents and those of sufficiently advanced age ;-) They may want to convert square meters on this page to square feet.

The chart below is called a histogram, it helps you see the distribution of this house price per sqm data. To make this chart we put the sales data into a series of £ per sqm 'buckets' (e.g. £3,800-£4,000, £4,000-£4,200, £4,200-£4,400 etc...) we then count the number of sales with within in each bucket and plot the results. The chart is based on 172 sales in Harlow (CM20 3) that took place in the last two years.

Distribution of £ per sqm for Harlow
Distribution of £ per sqm house prices in Harlow

You can see the spread of prices above. This is because although internal area is a key factor in determining valuation, it is not the only factor. Many factors other than size affect desirability; these factors could be condition, aspect, garden size, negotiating power of the vendor etc.

The spread of prices will give you a feel of the typical range to expect in Harlow (CM20 3). Of the 172 transactions, half were sold for between £3,350 and £4,250 per square metre. The median, or 'middle', price per square metre in 'CM20 3' is £3,820. Notably, only 25% of properties that sold recently were valued at more than £4,250 sqm. For anything to be valued more than this means it has to be more desireable than the clear majority of homes.

Price map for Harlow

Do have a look at the interactive price map I created. I find it useful and I am sure it will help you in exploring Harlow. You can zoom in all the way to individual properties and then all the way back out to see the whole country. The colours show the current estimated property values.

Property price heatmap for Harlow
House price heatmap for Harlow

Comparison with neighbouring postcode sectors

The table below shows how 'CM20 3' compares to neighbouring postcode sectors.

Postcode sector Lower quartile Middle quartile Upper quartile
CM20 2 Harlow £3,540 sqm £4,000 sqm £4,570 sqm
CM20 1 Harlow £3,540 sqm £3,900 sqm £4,320 sqm
CM20 3 Harlow £3,350 sqm £3,820 sqm £4,250 sqm

Will Harlow house prices drop in 2024?

I cannot tell the future and don't believe anyone who says they can. I can however plot price trends - I have done this in the chart below for CM20 3 (Harlow) compared with both the wider area CM20 and inflation (CPIH from the Office of National Statistics). The dashed trend lines in the chart show the average over time.

Historic price per square metre in Harlow,Harlow
House price trends for Harlow

For the most recent sales activity, rather than a summarized average, it is better to see the underlying data. This is shown in the chart below, where blue dots represent individual sales, click on them to see details. If there is an obvious trend you should be able to spot it here amid the noise from outliers.

Most recent CM20 3 sales
Recent trends for Harlow

Data from Land Registry comes in gradually over time. I update it every month but it takes about 5 months for the majority of sales for Harlow to be recorded. Disclaimer: I do not verify and cannot guarantee the accuracy of any data shown. Outliers exist in the data, typically these are where the EPC registry records the internal area incorrectly, sometimes although very rarely the Land Registry price paid data can be wrong. The data provided throughout this website about Harlow and any other area, is not financial advice. Any information provided does not and cannot ever take in to account the particular financial situation, objectives or property needs of either you or anyone reading this information.

Street level data

Street Avg size Avg £sqm Recent sales
Ladyshot, Harlow, CM20 3E 81 sqm £3,391 41
Halling Hill, Harlow, CM20 3J 74 sqm £3,813 37
The Dashes, Harlow, CM20 3R 76 sqm £3,575 27
Long Ley, Harlow, CM20 3N 78 sqm £3,965 26
The Hides, Harlow, CM20 3Q 79 sqm £3,371 25
Felmongers, Harlow, CM20 3D 89 sqm £3,900 24
The Downs, Harlow, CM20 3R 82 sqm £3,598 22
Green Hills, Harlow, CM20 3S 82 sqm £3,617 16

Search for your street here.

Raw data

Our analysis of Harlow is derived from what is essentially a big table of sold prices from Land Registry with added property size information. Below are three rows from this table to give you an idea.

Address Paid sqm £/sqm
260, Halling Hill, Harlow £341,000
90 3,788
10, Felmongers, Harlow £475,000
92 5,163
201, Long Ley, Harlow £325,000
78 4,166

See the entire list of all sales in Harlow (CM20 3) here.


I created HouseMetric because I wanted to see this data and analysis myself, I also wanted to teach myself to build a website. Please give me feedback or spread the word about it. I'm constantly tinkering and adding more stuff to it.