21d, Ash Tree Road, Southampton, SO18 1LY
About 21d
21d is a semi-detached house in Southampton (SO18 1LY). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1950-1966 and council tax band B. At 59 m² this is the 4th smallest of 25 units on EPC record in the building, where floor areas span 40–158 m². The building's EPC ratings span E to C across 25 units on file. The latest certificate (March 2023) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 73). Main heating runs on electricity.
At 59 m² it sits well below the postcode median (99 m² across 24 EPCs), making it one of the more compact homes locally. Across 2004–2023, sale prices on this property compounded at 3% per year. On a £-per-square-foot basis, the last sale (£276/sq ft) was about 66.3% above the typical sold price in the postcode. Last sale on file: £175,000 in August 2023.
Everything you need to know about 21d
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Planning history
21d has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 21d
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
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Sales history & valuation
£173,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.0% per year over 19 years.
£175,000
Growth on file: 3.0% per year over 19 years.
Sales timeline
17 August 2023Most recent
£175,000
+75.0%over 18 years22 August 2004
£100,000
Median price across the last 5 sales in SO18 1LY: £270,000 (2025–2021).
Nearby sales in SO18 1LY
21b, Ash Tree Road, Southampton, SO18 1LY
Sold Jul 2025
£185,00035 Ash Tree Road, Southampton, SO18 1LY
Sold Mar 2023
£325,00049 Ash Tree Road, Southampton, SO18 1LY
Sold Dec 2022
£155,00045 Ash Tree Road, Southampton, SO18 1LY
Sold Sept 2021
£270,00015 Ash Tree Road, Southampton, SO18 1LY
Sold Jul 2021
£340,000
Versus other Ash Tree Road homes
EPC Rating for 21d lags the street by a wide margin.
Price per m²
£2,966
Street avg £2,558
Floor Area
59 m²
Street avg 46 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
4.1 t/year
Street avg 2.1 t/year
Everything you need to know about 21d
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Ashtree Road — bus stop.
Closest school
0.3 km
Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools. 32 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
50.4dB
Night-time· 23:00 – 07:00
41.5dB