According to data from HM Land Registry, 40, Cowbridge Road, Harrow sits on a plot of 395 m².

We have plot size data on 44 out of 45 other houses in the postcode and 40, Cowbridge Road, Harrow sits on the largest plot.

According to HM Land Registry, 40, Cowbridge Road, Harrow was last sold on 11th August 2008 for £352,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since August 2008, the market for similar properties has risen by 85.8%.

• Sold Aug 2008£352,000

According to the Land Registry and our network of Estate Agents, there have been 66 sales of properties similar to 40, Cowbridge Road, Harrow within a radius of 470 metres since 2014.

The most recent example is 98, Honeypot Lane, London, NW9 9QX, a freehold house which sold for £570,000 on the 30th July 2025.

Read more about house prices in HA3.

• Sold Jul 2025£570,000 | 3 Bed House98, Honeypot Lane, London, NW9 9QX98, Honeypot Lane, London, NW9 9QX
• Sold Jul 2025£550,000 | 4 Bed House41, Berkeley Road, London, NW9 9DH41, Berkeley Road, London, NW9 9DH
• Sold Nov 2024£585,000 | 4 Bed House103, Ruskin Gardens, Harrow, HA3 9PY103, Ruskin Gardens, Harrow, HA3 9PY
• Sold Sep 2024£625,000 | 4 Bed House149, Princes Avenue, London, NW9 9QS149, Princes Avenue, London, NW9 9QS
• Sold Jun 2024£550,000 | 4 Bed House55, St. Pauls Avenue, Harrow, HA3 9PR55, St. Pauls Avenue, Harrow, HA3 9PR
• Sold Mar 2024£530,000 | 4 Bed House68, Berkeley Road, London, NW9 9DG68, Berkeley Road, London, NW9 9DG
• Sold Aug 2023£640,000 | 4 Bed House59, Orchard Grove, Harrow, HA3 9QR59, Orchard Grove, Harrow, HA3 9QR
• Sold Jul 2023£273,000 | 4 Bed House107, St. Pauls Avenue, Harrow, HA3 9PT107, St. Pauls Avenue, Harrow, HA3 9PT
• Sold Dec 2022£562,000 | 4 Bed House71, Brampton Road, London, NW9 9DE71, Brampton Road, London, NW9 9DE
• Sold Oct 2022£131,000 | 4 Bed House7, Kings Park Close, London, NW9 9EQ7, Kings Park Close, London, NW9 9EQ
• Sold Nov 2021£120,000 | 4 Bed House8, Kings Park Close, London, NW9 9EQ8, Kings Park Close, London, NW9 9EQ
• Sold Jul 2021£610,000 | 4 Bed House18, Rose Bates Drive, London, NW9 9QJ18, Rose Bates Drive, London, NW9 9QJ
• Sold Mar 2021£495,000 | 4 Bed House29, Repton Road, Harrow, HA3 9QD29, Repton Road, Harrow, HA3 9QD
• Sold Mar 2021£550,000 | 4 Bed House164, St. Pauls Avenue, Harrow, HA3 9PU164, St. Pauls Avenue, Harrow, HA3 9PU
• Sold Feb 2021£500,000 | 4 Bed House3, Repton Road, Harrow, HA3 9QD3, Repton Road, Harrow, HA3 9QD
• Sold Mar 2020£277,000 | 4 Bed House26, Elmcroft Gardens, London, NW9 9QP26, Elmcroft Gardens, London, NW9 9QP
• Sold Jul 2018£550,000 | 4 Bed House78, Berkeley Road, London, NW9 9DG78, Berkeley Road, London, NW9 9DG
• Sold Aug 2017£530,000 | 4 Bed House181, Princes Avenue, London, NW9 9QS181, Princes Avenue, London, NW9 9QS
• Sold Mar 2017£390,000 | 4 Bed House74, Ruskin Gardens, Harrow, HA3 9PZ74, Ruskin Gardens, Harrow, HA3 9PZ
• Sold Dec 2014£530,000 | 4 Bed House28, Repton Road, Harrow, HA3 9QD28, Repton Road, Harrow, HA3 9QD

Cowbridge Road, Harrow, HA3 has a total of 49 addresses. According to our analysis of all the public data, 40, Cowbridge Road, Harrow is the 2nd largest and the 5th most expensive property on the street.

When compared to the postcode district it is £54k more expensive than the average property in HA3.

• St Bernadette's Catholic Primary School

  400 m away
• Glebe Primary School

  800 m away
• Roe Green Junior School

  900 m away

• Kingsbury High School

  700 m away
• Claremont High School

  800 m away
• JFS

  900 m away

• Queensbury

  |

  600 m away
• Kingsbury

  |

  600 m away
• Preston Road

  |

  2.1 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.