Areas / SA15 / street profile

Union Buildings, SA15

Sold prices, £/m² and street profile from HM Land Registry records.

Median sold price
£84,000
all recorded sales
£ per m²
£1,621
from EPC floor areas
Recorded sales
49
Distinct homes
28
Price range
£23,000 – £145,000
Sales recorded
2000 → 2025
first to latest sale
The street in brief

Union Buildings is almost entirely terraced houses. Homes here typically change hands around £84,000 — roughly 37% below the SA15 norm. Per square metre of floor space it comes to about £1,621, above the district's £1,407. Recent sales have tracked the wider SA15 trend. With 49 sales across 28 homes since 2000, homes here come to market only rarely.

Buying on Union Buildings?

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Union Buildings prices over time

Median sold price on the street by year, from 49 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.

This street — yearly medianSA15 district trend
£0£50k£100k£150k£200k2000200520102015202020252000: £36,000 median · 3 sales2001: £59,950 median · 3 sales2002: £55,000 median · 3 sales2003: £60,000 median · 6 sales2004: £68,000 median · 3 sales2005: £105,000 median · 1 sale2006: £85,250 median · 2 sales2007: £117,498 median · 4 sales2009: £88,125 median · 2 sales2011: £94,000 median · 1 sale2012: £32,000 median · 1 sale2013: £84,000 median · 3 sales2016: £98,000 median · 1 sale2018: £98,000 median · 3 sales2019: £100,250 median · 2 sales2020: £103,500 median · 2 sales2021: £108,000 median · 1 sale2022: £118,750 median · 4 sales2024: £115,000 median · 1 sale2025: £135,000 median · 3 sales

Median sold price by year vs the SA15 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.

How Union Buildings compares

Union Buildings against the SA15 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.

New Road£191k · 41
Llannon Road£175k · 38
Heol Y Meinciau£159k · 56
Stryd Bennett£158k · 93
Felinfoel Road£158k · 65
Stryd Y Maswr£138k · 78
Sandy Road£125k · 49
Union Buildings£84k · 49*

Median sold price and sale count over the last 8years for the district's busiest streets. *This street's figures cover all recorded sales (fewer than 3 in the last 8 years).

This street
£84,000
median · all recorded sales
SA15 district
£133,000
median · last 8 years · street -37%
England
£291,445
average price (UK House Price Index), Apr 2026 · +3.9% in 12 months

Union Buildings's £84,000 median sits about 37% below SA15's £133,000; on floor space it runs £1,621/m² against the district's £1,407/m² (+15%).

Street and SA15 figures are medians of HM Land Registry sales; the England figures are the UK House Price Index mix-adjusted average — a different basis, so compare direction rather than levels between the two.

Every recorded sale on Union Buildings

Individual transactions as recorded by HM Land Registry, newest first.

DateAddressTypeNew buildPrice
12 Nov 202528 · SA15 3JPTerraced—£135,000
2 May 202526 · SA15 3JPTerraced—£138,000
31 Mar 202531 · SA15 3JWTerraced—£135,000
17 May 20249 · SA15 3JWTerraced—£115,000
1 Dec 202223 · SA15 3JWTerraced—£145,000
29 Jul 202237 · SA15 3JWTerraced—£145,000
31 Mar 202215 · SA15 3JWTerraced—£80,000
21 Jan 202212 · SA15 3JWTerraced—£92,500
18 Aug 202111 · SA15 3JWTerraced—£108,000
7 Feb 202033 · SA15 3JWTerraced—£95,000
31 Jan 202010 · SA15 3JWTerraced—£112,000
6 Nov 201937 · SA15 3JWTerraced—£117,500
20 Sept 20191 · SA15 3JWTerraced—£83,000
7 Sept 20188 · SA15 3JWTerraced—£72,000
17 Aug 201832 · SA15 3JPTerraced—£107,000
25 Jan 201837 · SA15 3JWTerraced—£98,000
15 Jul 201623 · SA15 3JWTerraced—£98,000
28 Feb 20149 · SA15 3JWnon-standardTerraced—£66,000
1 Nov 20131 · SA15 3JWTerraced—£84,000
7 Jul 20133 · SA15 3JWTerraced—£95,000
10 Jan 201314 · SA15 3JWTerraced—£67,000
5 Mar 20123 · SA15 3JWTerraced—£32,000
12 Oct 201138 · SA15 3JPTerraced—£94,000
14 Aug 200926 · SA15 3JPTerraced—£82,250
27 Mar 200938 · SA15 3JPTerraced—£94,000
23 Nov 200725 · SA15 3JWTerraced—£79,000
23 Aug 200718 · SA15 3JWTerraced—£115,000
8 Jun 200733 · SA15 3JWTerraced—£122,500
14 May 20077 · SA15 3JWTerraced—£119,995
20 Dec 20068 · SA15 3JWTerraced—£84,000
24 Mar 200631 · SA15 3JWTerraced—£86,500
1 Jul 200541 · SA15 3JWTerraced—£105,000
15 Sept 20049 · SA15 3JWTerraced—£68,000
18 Jun 200433 · SA15 3JWTerraced—£88,000
4 Feb 200439 · SA15 3JWTerraced—£65,000
3 Dec 200324 · SA15 3JPTerraced—£118,000
18 Nov 200330 · SA15 3JPTerraced—£70,000
29 Aug 200321 · SA15 3JWTerraced—£30,000
25 Jul 200330 · SA15 3JPTerraced—£55,000
13 Jun 200337 · SA15 3JWTerraced—£45,000
14 Apr 200341 · SA15 3JWTerraced—£65,000
20 Dec 200238 · SA15 3JPTerraced—£57,000
11 Oct 200223 · SA15 3JWTerraced—£23,000
30 Aug 200227 · SA15 3JWTerraced—£55,000
18 Apr 200122 · SA15 3JPTerraced—£59,950
12 Apr 200124 · SA15 3JPTerraced—£59,999
22 Jan 200113 · SA15 3JWTerraced—£39,500
9 Oct 200033 · SA15 3JWTerraced—£36,000
3 Oct 200018 · SA15 3JWTerraced—£35,000
30 Jun 200038 · SA15 3JPTerraced—£39,500

Sales marked non-standardare Land Registry “additional price paid” entries — bulk purchases, repossessions, right-to-buy and similar transfers. They're listed for completeness but excluded from every median and comparison figure on this page.

Buying on Union Buildings?

Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.

More streets in SA15

Sold-price profiles for nearby streets, and the wider SA15 area guide.

Pentre Doc Y GogleddStryd BennettPentre Nicklaus VillageFelinfoel RoadSandy RoadBwlchygwyntHeol Y MeinciauSwansea RoadDillwyn StreetNew RoadRhes Brickyard RowJames Street
SA15 house prices & area guide →

Contains HM Land Registry data © Crown copyright and database right 2026, including the UK House Price Index. EPC data © Crown copyright. Licensed under the Open Government Licence v3.0. Figures summarise recorded sales on the street and are not a valuation of any individual home.