According to data from HM Land Registry, 23, Merlins Avenue, Harrow sits on a plot of 214 m².

We have plot size data on 23 out of 23 other houses in the postcode and 23, Merlins Avenue, Harrow sits on the 8th largest plot.

23, Merlins Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Nov 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 23, Merlins Avenue, Harrow was last sold on 22nd March 2017 for £478,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since March 2017, the market for similar properties has risen by 25.7%.

• Sold Mar 2017£478,000

According to the Land Registry and our network of Estate Agents, there have been 234 sales of properties similar to 23, Merlins Avenue, Harrow within a radius of 480 metres since 2015.

The most recent example is 47, Leamington Crescent, Harrow, HA2 9HH, a freehold house which sold for £180,000 on the 22nd December 2025.

Read more about house prices in HA2.

• Sold Dec 2025£180,000 | 3 Bed House47, Leamington Crescent, Harrow, HA2 9HH47, Leamington Crescent, Harrow, HA2 9HH
• Sold Nov 2025£550,000 | 3 Bed House33, Malvern Avenue, Harrow, HA2 9EU33, Malvern Avenue, Harrow, HA2 9EU
• Sold Oct 2025£565,000 | 3 Bed House1, Windsor Close, Harrow, HA2 8QL1, Windsor Close, Harrow, HA2 8QL
• Sold May 2025£480,000 | 3 Bed House114, Kings Road, Harrow, HA2 9JH114, Kings Road, Harrow, HA2 9JH
• Sold Feb 2025£492,500 | 3 Bed House36, Merlins Avenue, Harrow, HA2 9ES36, Merlins Avenue, Harrow, HA2 9ES
• Sold Jan 2025£495,000 | 3 Bed House3, Minehead Road, Harrow, HA2 9DW3, Minehead Road, Harrow, HA2 9DW
• Sold Sep 2024£477,000 | 3 Bed House82, Hamilton Crescent, Harrow, HA2 9JD82, Hamilton Crescent, Harrow, HA2 9JD
• Sold Apr 2024£560,000 | 3 Bed House18, Minehead Road, Harrow, HA2 9DS18, Minehead Road, Harrow, HA2 9DS
• Sold Jan 2024£450,000 | 3 Bed House84, Kings Road, Harrow, HA2 9JQ84, Kings Road, Harrow, HA2 9JQ
• Sold Nov 2023£515,000 | 3 Bed House57, Minehead Road, Harrow, HA2 9DR57, Minehead Road, Harrow, HA2 9DR
• Sold Nov 2022£420,000 | 3 Bed House48, Minehead Road, Harrow, HA2 9DS48, Minehead Road, Harrow, HA2 9DS
• Sold Apr 2022£520,000 | 3 Bed House60, Hamilton Crescent, Harrow, HA2 9JD60, Hamilton Crescent, Harrow, HA2 9JD
• Sold Mar 2022£566,500 | 3 Bed House3, Malvern Avenue, Harrow, HA2 9EU3, Malvern Avenue, Harrow, HA2 9EU
• Sold Sep 2021£520,000 | 3 Bed House19, Merlins Avenue, Harrow, HA2 9ET19, Merlins Avenue, Harrow, HA2 9ET
• Sold Feb 2021£528,000 | 3 Bed House69, Malvern Avenue, Harrow, HA2 9EU69, Malvern Avenue, Harrow, HA2 9EU
• Sold Feb 2019£437,500 | 3 Bed House79, Malvern Avenue, Harrow, HA2 9ER79, Malvern Avenue, Harrow, HA2 9ER
• Sold Jul 2018£480,000 | 3 Bed House71, Minehead Road, Harrow, HA2 9DR71, Minehead Road, Harrow, HA2 9DR
• Sold Jun 2017£515,000 | 3 Bed House74, Minehead Road, Harrow, HA2 9DS74, Minehead Road, Harrow, HA2 9DS
• Sold Dec 2015£238,000 | 3 Bed House79, Minehead Road, Harrow, HA2 9DR79, Minehead Road, Harrow, HA2 9DR
• Sold Apr 2015£430,000 | 3 Bed House75, Malvern Avenue, Harrow, HA2 9EU75, Malvern Avenue, Harrow, HA2 9EU

Merlins Avenue, Harrow, HA2 has a total of 51 addresses. According to our analysis of all the public data, 23, Merlins Avenue, Harrow is the 18th largest and the 34th most expensive property on the street.

When compared to the postcode district it is £23k more expensive than the average property in HA2.

• Heathland School

  200 m away
• Newton Farm Nursery, Infant and Junior School

  500 m away
• Earlsmead Primary School

  800 m away

• Rooks Heath School

  300 m away
• Islip Manor High School

  1.4 km away
• Queensmead School

  1.5 km away

• Rayners Lane

  |

  1.1 km away
• Northolt Park

  |

  1.2 km away
• South Harrow

  |

  1.3 km away

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