Llys Pentre
From£300,000Est. £1,511/mo
- 2-4 beds
- 1-2 baths
Development in Gorseinon, Swansea SA4 4QL
Flooring, on 2 of 38 homes · 4 more
Persimmon HomesNew build detached houses for sale in Swansea
8 homes on 2 developments
Built by 2 builders, priced from £300,000 to £427,995 (£385,000 in the middle). Updated 12 Nov 2026.
Persimmon Homes
Hendrefoilan Park
From£385,000Est. £1,939/mo
- 2-5 beds
- 2-3 baths
- 790-1,836 sq ft
Development in Swansea SA2 7RE
Deposit contribution, 5% stated on the listing, on 1 of 95 homes
St Modwen HomesYour search
Say what you want; the results follow.
Tell me what you are after: a place, a budget, the bedrooms, the type of home, and what matters most. Then refine it in your own words.
Answers come from the listings and the calculators; illustrations are not advice.
The market
New build detached houses in Swansea
Searches in Swansea
Each opens its own page, with the homes it holds today.
Market overview
The new homes for sale in Swansea today, in figures.
- Developments
- 2
- Homes for sale
- 8
- Starting price
- £300,000
- Median price
- £385,000
- Median per sq ft
- £358
- Builders
- 2
- Price reduced
- 0
- New this week
- 0
New homes listed with HomePortfolio and on the builders’ own sites.
Market snapshot
Homes for sale and their median asking price, in and around Swansea.
Detached across Swansea
| Place | Median | Homes |
|---|---|---|
| Gorseinon | £380k | 4 |
Detached near Swansea
| Place | Median | Homes |
|---|---|---|
| Cardiff | £537k | 69 |
| Caerphilly | £373k | 35 |
| Rhondda Cynon Taf | £490k | 21 |
| Bridgend | £325k | 17 |
| Carmarthenshire | £440k | 11 |
| Vale of Glamorgan | £520k | 9 |
| North Devon | £450k | 7 |
| Merthyr Tydfil | £317k | 3 |
New homes listed with HomePortfolio and on the builders’ own sites.
Builders in Swansea
Each builder’s developments and homes for sale here, its prices and its share of the homes.
| Builder | Developments | Homes | From | Median | Share of homes |
|---|---|---|---|---|---|
| Persimmon Homes | 1 | 4 | £300,000 | £380,000 | 50% |
| St Modwen Homes | 1 | 4 | £385,000 | £387,498 | 50% |
New homes listed with HomePortfolio and on the builders’ own sites.
Developments in Swansea
Every development with homes for sale here, the most homes first.
New homes listed with HomePortfolio and on the builders’ own sites.
New build detached houses in Swansea: your questions
Answered from today’s listings and the official rules.
How many new build detached houses are for sale in Swansea?
8 are listed today, across 2 developments from 2 builders.
What do new build detached houses in Swansea cost?
Asking prices run from £300,000 to £427,995, and half are below £385,000. Where the size is stated, the middle price is £358 a square foot. Across every new home in Swansea the middle price is £299,995.
Which builders have new build detached houses in Swansea?
Persimmon Homes (4 homes) and St Modwen Homes (4 homes).
What is the lowest price among new build detached houses in Swansea?
A 3 bedroom detached house at Llys Pentre by Persimmon Homes, at £300,000.
How much Land Transaction Tax is there on a new build in Swansea?
At the middle asking price of £385,000, a buyer pays £9,600 in LTT, a first-time buyer the same: there is no first-time buyer relief in Wales. That is on the rates in force on 12 Nov 2026 (the Welsh Revenue Authority). An illustration, not advice.
Guides and tools
The pages and tools for buying a new home in Swansea.
- Stamp dutyWorked out on the middle price here
- What you could affordFrom your income and deposit
- Cash you needDeposit, fees and moving costs
- Buying schemesEvery scheme open to new-build buyers
- New-build incentivesWhat builders offer, and what it is worth
- Home buying guidesEvery step of buying a new build
- How we work it outSources, rules and the figures