HM Land Registry records the plot of land for 13, Cowbridge Road, Harrow as measuring 328 m².

That makes it the 11th largest plot in the postcode, where 44 of the 45 other houses have recorded plot data.

13, Cowbridge Road, Harrow has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 07 Dec 2018.

The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).

The most recent sale of 13, Cowbridge Road, Harrow completed on 5th April 2019 at £510,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 10.1% over the period since April 2019.

• Sold Apr 2019£510,000

Since 2007 125 properties similar to 13, Cowbridge Road, Harrow have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 16th October 2025, was 4, Cowbridge Road, Harrow, HA3 9QA, a freehold house which sold for £490,000.

Read more about house prices in HA3.

• Sold Oct 2025£490,000 | 3 Bed House4, Cowbridge Road, Harrow, HA3 9QA4, Cowbridge Road, Harrow, HA3 9QA
• Sold Mar 2025£535,000 | 3 Bed House161, Princes Avenue, London, NW9 9QS161, Princes Avenue, London, NW9 9QS
• Sold Oct 2024£535,000 | 3 Bed House56, Ruskin Gardens, Harrow, HA3 9QE56, Ruskin Gardens, Harrow, HA3 9QE
• Sold Sep 2024£565,000 | 3 Bed House68, Orchard Grove, Harrow, HA3 9QS68, Orchard Grove, Harrow, HA3 9QS
• Sold Aug 2024£525,000 | 3 Bed House105, Ruskin Gardens, Harrow, HA3 9PY105, Ruskin Gardens, Harrow, HA3 9PY
• Sold Mar 2024£490,000 | 3 Bed House96, Honeypot Lane, London, NW9 9QX96, Honeypot Lane, London, NW9 9QX
• Sold Sep 2022£578,500 | 3 Bed House85, Ruskin Gardens, Harrow, HA3 9PY85, Ruskin Gardens, Harrow, HA3 9PY
• Sold Sep 2020£348,000 | 3 Bed House5, Cowbridge Road, Harrow, HA3 9QA5, Cowbridge Road, Harrow, HA3 9QA
• Sold Oct 2019£550,000 | 3 Bed House14, Repton Road, Harrow, HA3 9QD14, Repton Road, Harrow, HA3 9QD
• Sold Oct 2019£545,000 | 3 Bed House185, St. Pauls Avenue, Harrow, HA3 9PT185, St. Pauls Avenue, Harrow, HA3 9PT
• Sold Sep 2019£505,000 | 3 Bed House98, Berkeley Road, London, NW9 9DG98, Berkeley Road, London, NW9 9DG
• Sold May 2019£530,000 | 3 Bed House62, Ruskin Gardens, Harrow, HA3 9PZ62, Ruskin Gardens, Harrow, HA3 9PZ
• Sold Oct 2018£456,785 | 3 Bed House175, Princes Avenue, London, NW9 9QS175, Princes Avenue, London, NW9 9QS
• Sold Jul 2018£500,000 | 3 Bed House21, Repton Road, Harrow, HA3 9QD21, Repton Road, Harrow, HA3 9QD
• Sold Mar 2018£505,000 | 3 Bed House168, St. Pauls Avenue, Harrow, HA3 9PU168, St. Pauls Avenue, Harrow, HA3 9PU
• Sold May 2017£470,001 | 3 Bed House146, St. Pauls Avenue, Harrow, HA3 9PU146, St. Pauls Avenue, Harrow, HA3 9PU
• Sold Sep 2015£461,500 | 3 Bed House19, Cowbridge Road, Harrow, HA3 9QA19, Cowbridge Road, Harrow, HA3 9QA
• Sold Aug 2013£247,000 | 3 Bed House34, Cowbridge Road, Harrow, HA3 9QA34, Cowbridge Road, Harrow, HA3 9QA
• Sold Feb 2013£286,000 | 3 Bed House52, Cowbridge Road, Harrow, HA3 9QA52, Cowbridge Road, Harrow, HA3 9QA
• Sold Jul 2007£267,000 | 3 Bed House24, Cowbridge Road, Harrow, HA3 9QA24, Cowbridge Road, Harrow, HA3 9QA

Of the 49 addresses on Cowbridge Road, Harrow, HA3, 13, Cowbridge Road, Harrow comes out as the 23rd largest and the 26th most expensive in our analysis of the public data.

It is also £45k less expensive than the average property across the HA3 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.