25a, Grantham Avenue, Hamble, Southampton, SO31 4JX
About 25a
25a is a two-bedroom semi-detached house in Hamble, Southampton, Southampton (SO31 4JX). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (November 2023) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in November 2011 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Good to Very Good. At 74 m² this is the 9th smallest of 32 units on EPC record in the building, where floor areas span 46–143 m². The building's EPC ratings span E to C across 32 units on file. Other recorded features include a balcony and outbuildings.
Across 2012–2024, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £210,000 is 10.5% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 32.5% above the typical sold price in the postcode. Most recent transfer: October 2024 at £190,000.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- EnsuiteYes
Outside
- Private gardenYes
- DrivewayYes
- BalconyYes
- OutbuildingsYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
25a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£210,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 12 years.
£190,000
Growth on file: 3.6% per year over 12 years.
Sales timeline
13 October 2024Most recent
£190,000
+53.7%over 12 years13 September 2012
£123,600
Median price across the last 5 sales in SO31 4JX: £187,500 (2023–2020).
Nearby sales in SO31 4JX
31d, Grantham Avenue, Hamble, Southampton, SO31 4JX
Sold Sept 2023
£375,00017 Grantham Avenue, Hamble, Southampton, SO31 4JX
Sold Nov 2020
£187,5007 Grantham Avenue, Hamble, Southampton, SO31 4JX
Sold Aug 2020
£325,0001a, Grantham Avenue, Hamble, Southampton, SO31 4JX
Sold Jul 2020
£123,00031 Grantham Avenue, Hamble, Southampton, SO31 4JX
Sold Apr 2020
£135,000
Versus other Grantham Avenue homes
25a is notably below the street on years held.
Price per m²
£2,568
Street avg £1,544
Floor Area
74 m²
Street avg 74 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.9 t/year
Similar properties nearby
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Beaulieu Road — bus stop.
Closest school
0.5 km
Hamble Primary School. 7 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
46.1dB

Night-time· 23:00 – 07:00
37.8dB







