17 Mainstone, Romsey, SO51 8HG is a freehold detached property built between 1900-1929. The property offers approximately 947 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £501,554 , which equates to approximately £529 per square foot. It was last sold on 2 Jul 2025 for £500,000. Since then, the value has increased by £1,554, representing a 0.3% increase, or approximately 0.3% per year.

The current estimated value of £501,554 is:

  • 20.5% lower than the average property price on Mainstone
  • 36.8% lower than the average in the SO51 8HG postcode area
  • and 16.5% higher than the average price for Romsey as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 25 March 2025, the property was recorded as owner-occupied.

View sold house prices in SO51 8HG

Building approximate location

About Property

Type
Detached House
Built
1900-1929
Interior Size
947 sq ft
Tenure
Freehold
Price (estimate)
£501,554
Price Per sq ft (estimate)
£529
Bedroom Count (estimate)
3 bedrooms

EPC Summary

17 Mainstone, Romsey, Test Valley, Hampshire, SO51 8HG has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 25 Mar 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are mostly double glazed.

The previous EPC assessment was conducted on 27 Jul 2018. The rating of D remains the same, but the energy efficiency score improved by 7.3%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 200 mm loft insulation to pitched, 100 mm loft insulation, changing energy efficiency from good to average.
  • The windows were upgraded from partial double glazing to mostly double glazing.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 100 mm loft insulation
Average
Walls
Cavity wall, as built, no insulation (assumed)
Poor
Windows
Mostly double glazing
Average
Lighting
Low energy lighting in all fixed outlets
Very Good

Sale History

Today
£501,554
streetscan.co.uk estimate
+0 %
2 Jul 2025
£500,000
Freehold
+38.9 %
31 Mar 2021
£360,000
Freehold
+80 %
29 Oct 2013
£200,000
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Low flood risk
Flood risk from surface water
Low flood risk
Surface water flood hazard
Low

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth Low
  • 0.3m depth Low
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Nearby Properties

rooms: 3
size: 850 sq ft
sale price: £165,000
sale date: 25 Jul 2014
rooms: 7
size: 1572 sq ft
sale price: £470,000
sale date: 11 Aug 2023
rooms: 4
size: 1884 sq ft
sale price: £655,000
sale date: 28 Apr 2017

Data Sources

The property at 17 Mainstone, Romsey, SO51 8HG appears three times in HM Land Registry records, with the latest transaction recorded on 2 Jul 2025. It also has three Energy Performance Certificate (EPC) records, the earliest dating back to 25 Mar 2025. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.