According to data from HM Land Registry, 27, Frognal Avenue, Harrow sits on a plot of 141 m².

We have plot size data on 12 out of 13 other houses in the postcode and 27, Frognal Avenue, Harrow sits on the 9th largest plot.

27, Frognal Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Mar 2023.

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, 27, Frognal Avenue, Harrow was last sold on 11th October 2013 for £295,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since October 2013, the market for similar properties has risen by 60.3%.

According to the Land Registry and our network of Estate Agents, there have been 19 sales of properties similar to 27, Frognal Avenue, Harrow within a radius of 410 metres since 2007.

The most recent example is 97, Masons Avenue, Harrow, HA3 5AN, a freehold house which sold for £510,000 on the 12th January 2026.

Read more about house prices in HA1.

• Sold Jan 2026£510,000 | 3 Bed House97, Masons Avenue, Harrow, HA3 5AN97, Masons Avenue, Harrow, HA3 5AN
• Sold Aug 2024£500,000 | 3 Bed House47, Herga Road, Harrow, HA3 5AX47, Herga Road, Harrow, HA3 5AX
• Sold Sep 2021£466,000 | 3 Bed House73, Rosslyn Crescent, Harrow, HA1 2SA73, Rosslyn Crescent, Harrow, HA1 2SA
• Sold Feb 2021£450,000 | 3 Bed House61, Herga Road, Harrow, HA3 5AU61, Herga Road, Harrow, HA3 5AU
• Sold Dec 2020£420,000 | 3 Bed House43, Herga Road, Harrow, HA3 5AX43, Herga Road, Harrow, HA3 5AX
• Sold Feb 2020£373,000 | 3 Bed House95, Masons Avenue, Harrow, HA3 5AN95, Masons Avenue, Harrow, HA3 5AN
• Sold May 2016£452,000 | 3 Bed House12, Elmgrove Gardens, Harrow, HA1 2QR12, Elmgrove Gardens, Harrow, HA1 2QR
• Sold Aug 2014£410,000 | 3 Bed House16, Sparkbridge Road, Harrow, HA1 1TJ16, Sparkbridge Road, Harrow, HA1 1TJ
• Sold Nov 2013£297,000 | 3 Bed House49, Rosslyn Crescent, Harrow, HA1 2SA49, Rosslyn Crescent, Harrow, HA1 2SA
• Sold Jan 2013£250,000 | 3 Bed House103, Masons Avenue, Harrow, HA3 5AN103, Masons Avenue, Harrow, HA3 5AN
• Sold Jun 2011£243,000 | 3 Bed House122, Masons Avenue, Harrow, HA3 5AR122, Masons Avenue, Harrow, HA3 5AR
• Sold Nov 2010£245,000 | 3 Bed House33, Herga Road, Harrow, HA3 5AX33, Herga Road, Harrow, HA3 5AX
• Sold Nov 2010£278,000 | 3 Bed House120, Masons Avenue, Harrow, HA3 5AR120, Masons Avenue, Harrow, HA3 5AR
• Sold Nov 2010£257,000 | 3 Bed House69, Herga Road, Harrow, HA3 5AU69, Herga Road, Harrow, HA3 5AU
• Sold Jan 2010£240,000 | 3 Bed House115, Herga Road, Harrow, HA3 5AU115, Herga Road, Harrow, HA3 5AU
• Sold Oct 2009£240,000 | 3 Bed House99, Masons Avenue, Harrow, HA3 5AN99, Masons Avenue, Harrow, HA3 5AN
• Sold Mar 2009£237,000 | 2 Bed House77, Rosslyn Crescent, Harrow, HA1 2SA77, Rosslyn Crescent, Harrow, HA1 2SA
• Sold Jun 2008£249,950 | 3 Bed House118, Masons Avenue, Harrow, HA3 5AR118, Masons Avenue, Harrow, HA3 5AR
• Sold Oct 2007£274,500 | 3 Bed House40, Frognal Avenue, Harrow, HA1 2SF40, Frognal Avenue, Harrow, HA1 2SF

Frognal Avenue, Harrow, HA1 has a total of 60 addresses. According to our analysis of all the public data, 27, Frognal Avenue, Harrow is the 27th largest and the 27th most expensive property on the street.

When compared to the postcode district it is £69k less expensive than the average property in HA1.

• Saint Jerome Church of England Bilingual School

  400 m away
• Elmgrove Primary School & Nursery

  600 m away
• Marlborough Primary School

  600 m away

• Harrow High School

  1.0 km away
• The Sacred Heart Language College

  1.3 km away
• Salvatorian Roman Catholic College

  1.4 km away

• Harrow & Wealdstone

  |

  400 m away
• Harrow-on-the-Hill

  |

  1.1 km away

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