Swansea files HMO conversions at 3.6 times the national rate.
Swansea council received 2,087 planning applications in 2025 and approved 88.0% of those with a decision, in line with the national rate of 87.6%. What sets the city apart is shared housing: 4.4% of all applications submitted to Swansea council were HMO conversions, against a national average of 1.2%. Home extensions led the workload at 30.5%. It is the planning signature of a large university city with a sizeable rental market.
The year in one line
Swansea approves planning work at the national rate, but files HMO conversions at 3.6 times the national share, the clear planning signature of a large university city with a sizeable private rental market.
What Swansea Is Building
Extensions lead, but shared housing sets the city apart.
Home extensions were the most common project in applications submitted to Swansea council in 2025, at 30.5% of all applications. The figure that distinguishes Swansea is HMO conversions: 4.4% of applications, against a national average of just 1.2%. Listed-building works also stand out at 4.0%, nearly double the national norm. This is the application mix of a large university city with a sizeable private rental market and a substantial historic built stock.
Applications submitted to Swansea council in 2025, by project type.
The shared-housing effect
Swansea files HMO conversions at 3.6 times the national rate. It points to a housing market shaped by student and rental demand around the city's university campuses.
The council verdict
A standard yes.
Across the 2024-2025 period, Swansea council approved 88.0% of the applications it decided and refused 12.0%, about 1 in 8, both broadly in line with the national average of 87.6% approved and 12.4% refused.
About 1 in 8 Swansea applications was turned down.
approval rate across decided applications, against the national benchmark of 87.6%. Swansea refuses about 1 in 8 applications, in line with the country as a whole.
Swansea vs The National Norm
A university city, by the numbers.
Set Swansea's application mix against the national average and the shared-housing effect is clear. HMO conversions feature in 4.4% of applications here, 3.6 times the national share of 1.2%, the single biggest divergence. Listed-building works also run well above the norm. The category Swansea does markedly less of is demolition: 5.4% against a national share of 9.1%, the mark of a city adapting its existing stock rather than clearing it.
Swansea files HMO conversions at 3.6 times the national rate. It is the planning signature of a large university city with a sizeable private rental market.
Each bar is Swansea's share of applications; the marker is the national share. HMO conversions are the city's defining outlier.
Meanwhile, the market
Prices moved alongside the building work.
Permission is granted about as readily as anywhere else, but the city's housing market sits well below the national average price.
Swansea's planning data tells a clear story. This is a city shaped by its rental market, not by an unusual reluctance to grant permission. Owners extend and adapt homes, landlords convert buildings into shared lets at nearly four times the national rate, and the council says yes about as often as anywhere else. The listed-building workload reflects the city's historic fabric. For anyone buying here, the HMO question is the one to understand before you commit.
Where the numbers come from
Planning Data
Applications submitted to Swansea council in 2025, classified from each application's published description. Shares and rates are computed over the pooled 2024-2025 window for stability; volume is the 2025 count.
Decision Rates
Approval rate is approvals as a share of approvals plus refusals. The national benchmarks are computed the same way across all decided applications in England and Wales.
Sales Data
HM Land Registry Price Paid Data for the Swansea post town, the latest full year's completions, with growth measured against the previous year.
The Real Applications
Open the planning applications behind the numbers.
These are real applications submitted to Swansea council, from HMO conversions and listed-building work to extensions and refusals. Open any one to see its full record.
24 Bryn Road, Brynmill SA2 0AR
A shared house conversion approved within the Swansea area, the type of HMO application the city files at 3.6 times the national rate.
See this property's full record27 Burrows Road SA1 3UQ
A certificate confirmed the lawful use of two adjoining properties as shared houses, the rental conversion the city does at nearly four times the national rate.
See this property's full record58 Edward Street, Pontardawe SA8 3DD
A rear extension approved within the Swansea council area, the most common type of project in the 2025 application mix.
See this property's full record151 Hillrise Park, Clydach SA6 5ED
A plan to convert an integral garage into living space was confirmed as lawful development, no full permission required.
See this property's full recordCraig Y Don The Promenade, Penclawdd SA4 3RJ
A single-storey rear and side extension with a balcony above was pulled before the council reached a decision.
See this property's full record21 Abercedi, Penclawdd SA4 3XB
A two-storey rear extension with a first-floor side addition was withdrawn before it was decided.
See this property's full recordCurious about a home in Swansea?
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