17 Elm House, Thomas Blake Avenue, Southampton, SO14 5DJ
About 17 Elm House
17 Elm House is a mid-terrace house in Southampton (SO14 5DJ). It has a recorded floor area of 66 m² (around 710 sq ft). The latest certificate (November 2020) returns a B (score 83), comfortably above the UK average. Main heating runs on electricity: electricity, unspecified tariff. At 66 m² this is the 17th smallest of 24 units on EPC record in the building, where floor areas span 48–73 m². The building's EPC ratings span C to B, with this unit at the top.
Most recent transfer was August 2025 at £144,925 — fresh data. Across 2021–2025, sale prices on this property compounded at 17.1% per year. Today's modelled estimate of £185,000 is 27.7% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£204/sq ft) was about 90.3% above the typical sold price in the postcode.
Energy performance
17 Elm House's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 13 November 2030
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Planning history
17 Elm House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2021.
£185,000
Modelled from EPC, postcode comparables and a sale-price growth of 17.1% per year over 4 years.
£144,925
Growth on file: 17.1% per year over 4 years.
Sales timeline
7 August 2025Most recent
£144,925
+103.3%over 4 years8 February 2021
£71,293
Median price across the last 5 sales in SO14 5DJ: £122,500 (2025–2021).
Nearby sales in SO14 5DJ
3 Elm House, Thomas Blake Avenue, Southampton, SO14 5DJ
Sold Sept 2025
£265,00022 Elm House, Thomas Blake Avenue, Southampton, SO14 5DJ
Sold Mar 2025
£80,0009 Elm House, Thomas Blake Avenue, Southampton, SO14 5DJ
Sold Feb 2025
£122,50024 Elm House, Thomas Blake Avenue, Southampton, SO14 5DJ
Sold Mar 2024
£123,7507 Elm House, Thomas Blake Avenue, Southampton, SO14 5DJ
Sold Jun 2021
£115,000
Versus other Thomas Blake Avenue homes
17 Elm House outperforms the street on price per m² by a wide margin.
Price per m²
£2,196
Street avg £1,455
Floor Area
66 m²
Street avg 61 m²
CO₂ Emissions
0.2 t/year
Street avg 0.2 t/year
Years Held
1 years
Street avg 5 years
Similar properties nearby
1 Deanery Court, Thomas Blake Avenue
SO14 5BX
10 Riverside House, Thomas Blake Avenue
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10 Riverside Quay, Thomas Blake Avenue
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10 Chantry House, Albert Road North
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1 Hilda Place, Kent Street
SO14 5SP
10 Elm Quay, Thomas Blake Avenue
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10 Trinity Court, Old Mill Lane
SO14 5BW
1 Chantry House, Albert Road North
SO14 5BU
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
413/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Anglesea Terrace — bus stop.
Closest school
0.6 km
Hope Community School Southampton. 29 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
51.8dB

Night-time· 23:00 – 07:00
42.9dB







