According to data from HM Land Registry, 21, Hillside Avenue, Romsey sits on a plot of 374 m².

We have plot size data on 5 out of 6 other houses in the postcode and 21, Hillside Avenue, Romsey sits on the 4th largest plot.

21, Hillside Avenue, Romsey has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Apr 2011.

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, 21, Hillside Avenue, Romsey was last sold on 29th August 2014 for £315,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since August 2014, the market for similar properties has risen by 68.1%.

• Sold Aug 2014£315,000
• Sold Jan 2013£275,000
• Sold Dec 2010£200,000

According to the Land Registry and our network of Estate Agents, there have been 105 sales of properties similar to 21, Hillside Avenue, Romsey within a radius of 660 metres since 2018.

The most recent example is 4, Tadburn Road, Romsey, SO51 5AU, a freehold house which sold for £415,000 on the 23rd December 2025.

Read more about house prices in SO51.

• Sold Dec 2025£415,000 | 3 Bed House4, Tadburn Road, Romsey, SO51 5AU4, Tadburn Road, Romsey, SO51 5AU
• Sold Dec 2025£420,000 | 3 Bed House22, Tadfield Road, Romsey, SO51 5AJ22, Tadfield Road, Romsey, SO51 5AJ
• Sold Oct 2025£530,000 | 3 Bed House11, Queens Close, Romsey, SO51 5EG11, Queens Close, Romsey, SO51 5EG
• Sold Oct 2025£410,000 | 3 Bed House7, Tadfield Road, Romsey, SO51 5AL7, Tadfield Road, Romsey, SO51 5AL
• Sold Mar 2025£480,000 | 3 Bed House20, Jacobs Close, Romsey, SO51 5UZ20, Jacobs Close, Romsey, SO51 5UZ
• Sold Mar 2025£510,000 | 4 Bed House29, Tadfield Crescent, Romsey, SO51 5AN29, Tadfield Crescent, Romsey, SO51 5AN
• Sold Mar 2025£475,000 | 3 Bed House3, Oakleigh Gardens, Romsey, SO51 5AS3, Oakleigh Gardens, Romsey, SO51 5AS
• Sold Feb 2025£510,000 | 4 Bed House19, Tadburn Road, Romsey, SO51 5AU19, Tadburn Road, Romsey, SO51 5AU
• Sold Nov 2024£450,000 | 4 Bed House2, Cupernham Lane, Romsey, SO51 7JH2, Cupernham Lane, Romsey, SO51 7JH
• Sold Oct 2024£533,000 | 3 Bed House2, Mount Temple, Romsey, SO51 5UW2, Mount Temple, Romsey, SO51 5UW
• Sold Jun 2024£362,000 | 3 Bed House76, Tadburn Road, Romsey, SO51 5HS76, Tadburn Road, Romsey, SO51 5HS
• Sold Dec 2023£416,000 | 3 Bed House27, Tadfield Crescent, Romsey, SO51 5AN27, Tadfield Crescent, Romsey, SO51 5AN
• Sold Sep 2023£372,000 | 3 Bed House21, Tadfield Crescent, Romsey, SO51 5AN21, Tadfield Crescent, Romsey, SO51 5AN
• Sold Jan 2022£425,000 | 3 Bed House90, Tadburn Road, Romsey, SO51 5HS90, Tadburn Road, Romsey, SO51 5HS
• Sold Oct 2021£400,000 | 3 Bed House5, Field Close, Romsey, SO51 5BN5, Field Close, Romsey, SO51 5BN
• Sold Mar 2021£415,000 | 3 Bed House15, Bridge Road, Romsey, SO51 8JD15, Bridge Road, Romsey, SO51 8JD
• Sold Mar 2021£415,000 | 3 Bed House2, Oakleigh Gardens, Romsey, SO51 5AS2, Oakleigh Gardens, Romsey, SO51 5AS
• Sold Dec 2019£375,000 | 4 Bed House10, Tadburn Road, Romsey, SO51 5AU10, Tadburn Road, Romsey, SO51 5AU
• Sold Jul 2018£340,000 | 3 Bed House2, Tadburn Road, Romsey, SO51 5AU2, Tadburn Road, Romsey, SO51 5AU
• Sold Apr 2018£300,000 | 3 Bed House14, Tadburn Road, Romsey, SO51 5AU14, Tadburn Road, Romsey, SO51 5AU

Hillside Avenue, Romsey, SO51 has a total of 26 addresses. According to our analysis of all the public data, 21, Hillside Avenue, Romsey is the 6th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £28k less expensive than the average property in SO51.

• Romsey Primary School & Nursery

  600 m away
• Halterworth Primary School

  900 m away
• Cupernham Junior School

  1.1 km away

• The Mountbatten School

  1.1 km away
• The Romsey School

  1.4 km away
• Oasis Academy Lord's Hill

  6.4 km away

• Romsey

  |

  900 m away
• Mottisfont & Dunbridge

  |

  6.7 km away
• Chandlers Ford

  |

  6.9 km away

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