17, Mainstone, SO51 8HG
17 Mainstone is a 88 m² / 947 sq ft detached home in Romsey. It sold for £500,000 in July 2025. Indexed forward to today's value, that sale is roughly £480k. Recent local prices imply a broad valuation context of £340k to £473k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
-
Date Paid price Annual growth After inflation Jul 2025 £500,000 8.0% 2.3% Mar 2021 £360,000 8.2% 6.7% Oct 2013 £200,000 na na - Floor plan
-
Archived estate agent floor plan for 17, Mainstone.
- Internal area
- 88 square metres (947 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £5,681 per square metre (£528 per square foot) in Jul 2025. Indexed forward to today's value, this is roughly £5,460 per square metre (£507 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jul 2025 £500,000 £5,682 £480,477 £5,460 Mar 2021 £360,000 £4,091 £424,859 £4,828 Oct 2013 £200,000 £2,273 £297,775 £3,384 Calculated using the latest EPC internal area of 88 m². Earlier sale dates may not have had the same measured area available.
- Valuation
- The most recent sale price indexed forward to today's value is £480,477. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Romsey are now selling for between £3,860 and £5,380 per square metre (£358 and £499 per square foot). Based on an internal area of 88 m², this implies a valuation between £340,000 and £473,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
- Bedrooms
- 3
- Type
- Detached
- Council tax band
- E
- Plot size
- 284 square metres (3,057 square feet) - map showing freehold boundary lines
- Planning ref:
- August 2018 18/01612/TREES
- Type:
- Tree and hedge works
- Status:
- Application approved
- Address:
- 17 Mainstone Romsey Hampshire
- Description:
- Removal of tree at rear of numbers 11 and 17
- Planning ref:
- July 2018 18/01402/FULLS
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 17 Mainstone Romsey Hampshire
- Description:
- Reposition vehicular access
- Planning ref:
- October 2013 13/02034/TREES
- Type:
- Tree and hedge works
- Status:
- Application approved
- Address:
- 17 Mainstone Romsey Hampshir
- Description:
- T1 - Spruce - Fell
- Planning ref:
- June 2011 11/01140/TREES
- Type:
- Tree and hedge works
- Status:
- Application approved
- Address:
- 17 Mainstone Romsey Hampshir
- Description:
- Fell one Spruce
- Summary:
- 25 March 2025 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 5 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 88 sqm (947 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 27 July 2018 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Rental
- Tenure:
- Private rental
- Property type:
- Detached House , has 5 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 94 sqm (1,012 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 13 June 2013 - energy performance certificate grade G
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 5 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 94 sqm (1,012 square foot) total internal area
- Comments:
- Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 50 mm loft insulation. Heating: Room heaters, dual fuel (mineral and wood), Room heaters, dual fuel (mineral and wood).
17 Mainstone is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.
- HouseMetric estimates the most recent sale price indexed forward to today's value is £480,477.
- Based on an internal area of 88 m² and recent prices in Romsey, this implies a lower and upper quartile range from £340,000 to £473,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.