William Street, Mumbles, Swansea
House prices, sold prices and local information for SA3 4LJ.
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At a glance
8 property sales on William Street, Mumbles, Swansea have been recorded by HM Land Registry since 2016. The most recent sale was on 29 Oct 2024. Most sales here are terraced homes, which have sold for an average of £226,286. Average sale prices fell from £215,000 in 2016 to £196,250 in 2024 (-9%), though averages on a single street can swing with the mix of homes sold. 2 homes here have sold more than once since 2016; 1 of them sold for more the second time. By property type, sales here have been 88% terraced, 13% detached. Recorded sale prices on William Street range from £70,000 to £322,500. Every home sold here was sold freehold.
House prices on William Street compared
Average sale price over the last 12 months. William Street has had fewer than two sales in that time, so it is left out. See all SA3 house prices.
Average sale price by year
Tenure: 100% freehold and 0% leasehold across 9 recorded sales.
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Terraced | 7 | £226,286 | 29 Oct 2024 |
| Detached | 1 | £265,000 | 29 Jun 2021 |
Sold prices on William Street
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 7, William Street SA3 4LJ | 29 Oct 2024 | £322,500 | Terraced | Freehold |
| 2, William Street SA3 4LJ | 12 Apr 2024 | £70,000 | Terraced | Freehold |
| 9, William Street SA3 4LJ | 2 Jul 2021 | £290,000 | Terraced | Freehold |
| 18, William Street SA3 4LJ | 29 Jun 2021 | £265,000 | Detached | Freehold |
| 11, William Street SA3 4LJ | 18 Dec 2020 | £254,500 | Terraced | Freehold |
| 5, William Street SA3 4LJ | 23 Apr 2018 | £217,000 | Terraced | Freehold |
| 18, William Street SA3 4LJ | 14 Dec 2016 | £270,000 | Other | Freehold |
| 7, William Street SA3 4LJ | 5 Feb 2016 | £215,000 | Terraced | Freehold |
| 14, William Street SA3 4LJ | 18 Jan 2016 | £215,000 | Terraced | Freehold |
Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.
Sale history: homes sold more than once
| Address | Sales | Change |
|---|---|---|
| 7, William Street | £215,000 (Feb 2016) → £322,500 (Oct 2024) | +50% over 9 yrs |
| 18, William Street | £270,000 (Dec 2016) → £265,000 (Jun 2021) | -2% over 5 yrs |
Buying on William Street?
Getting around, shops and health
Train stations
- Swansea station 4.4 mi · 1 hr 27 min walk
Nearest bus stops
- Newton Road (o/s Castleton Work, Newton Road) 2 min walk
- Newton Road (opp Police Station, Newton Road) 2 min walk
- Oystermouth Square (before, Mumbles Road) 3 min walk
- Oystermouth Primary School (o/s, Newton Road) 4 min walk
GP surgeries
- Kings Road Surgery
2-6 Kings Road, Mumbles, Swansea · 0.1 mi - The Mumbles Medical Practice
10 West Cross Avenue, West Cross, Swansea · 0.5 mi - University Health Centre
Penmaen Residences, Singleton Park, Swansea · 2.6 mi - Sketty & Killay Medical Centre
Sketty Surgery, De La Beche Road, Swansea · 3.0 mi
Supermarkets
- Tesco Express Tesco Newton Rd Express · 0.1 mi
- Marks and Spencer Foodhall M&S Mumbles Foodhall · 0.1 mi
- The Co-operative Food Co-op Swansea - Mumbles Road · 0.1 mi
- Spar Spar - West Cross · 0.9 mi
Pharmacies
- Newbury Pharmacy · 0.1 mi
- Castle Pharmacy · 0.1 mi
- Boots · 0.1 mi
Dentists
- Dental Surgery · 0.1 mi
- Dental Surgery · 0.1 mi
- Mumbles Dental & Cosmetic Suite · 0.1 mi
Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.
Area profile
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 71.4% | 62.5% |
| Private rented | 23.8% | 20.3% |
| Social rented | 4.5% | 17.1% |
| Households | 647 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 11.5% | 17.4% |
| Aged 15–64 | 59.2% | 64.1% |
| Aged 65+ | 29.4% | 18.6% |
| Residents | 1,283 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 100% | 80% |
| Gigabit-capable | 100% | 80% |
Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.
Mobile signal
| Here | Eng & Wales | |
|---|---|---|
| 4G indoors, all 4 networks | 83% | 89% |
| 4G indoors, at least 1 network | 100% | 100% |
| 4G outdoors, all 4 networks | 99% | 99% |
| Calls indoors, all 4 networks | 88% | 92% |
Share of homes across Swansea with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.
Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.
Energy ratings and home sizes on William Street
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Who lives around William Street
Ethnic group
| Here | Swansea | |
|---|---|---|
| White | 94.5% | 91.4% |
| Mixed or Multiple ethnic groups | 2.8% | 1.6% |
| Asian, Asian British or Asian Welsh | 1.4% | 4.4% |
| Black, Black British, Black Welsh, Caribbean or African | 0.7% | 1.2% |
| Other ethnic group | 0.6% | 1.4% |
Religion
| Here | Swansea | |
|---|---|---|
| Christian | 48.1% | 41.3% |
| No religion | 45.2% | 47.3% |
| Not answered | 5.1% | 6.7% |
| Buddhist | 0.6% | 0.4% |
| Hindu | 0.4% | 0.4% |
| Jewish | 0.2% | 0.1% |
| Other religion | 0.2% | 0.5% |
| Muslim | 0.1% | 3.2% |
Country of birth
| Here | Swansea | |
|---|---|---|
| Born in the UK | 92.9% | 90.6% |
| Born outside the UK | 7.1% | 9.4% |
Highest qualification
| Here | Swansea | |
|---|---|---|
| Level 4 qualifications and above | 53.8% | 32.8% |
| Level 3 qualifications | 13.8% | 18.2% |
| Level 2 qualifications | 11.1% | 13.8% |
| No qualifications | 9.6% | 18.9% |
| Level 1 and entry level qualifications | 5.3% | 7.9% |
| Apprenticeship | 4.1% | 5.8% |
| Other qualifications | 2.2% | 2.6% |
General health
| Here | Swansea | |
|---|---|---|
| Very good health | 51.5% | 47.7% |
| Good health | 30.9% | 30.9% |
| Fair health | 13.3% | 14% |
| Bad health | 3.4% | 5.5% |
| Very bad health | 0.9% | 1.9% |
Cars or vans per household
| Here | Swansea | |
|---|---|---|
| 1 car or van in household | 53.8% | 42.6% |
| 2 cars or vans in household | 21.4% | 25.6% |
| No cars or vans in household | 17.7% | 22.6% |
| 3 or more cars or vans in household | 7.1% | 9.2% |
Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.
Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Swansea.
Planning and heritage near William Street
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Noise, radon and ground hazards
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Planning applications near William Street
Recent planning applications around William Street from the council's planning register. Choose how far to look:
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Council tax here
Swansea Band D is £2,238 a year (Band A £1,492). See every band.
Estate agents near William Street
- Astleys 0.1 mi
- Dawsons 0.1 mi
- Simpsons 0.2 mi
- Belvoir 0.2 mi
- John Francis 0.2 mi
Agent locations © OpenStreetMap contributors. More local agents
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