Pen Y Castell
From£299,995Est. £1,511/mo
- 3-5 beds
- 2-3 baths
Development in Caerphilly CF83 3JW
Deposit contribution, 5% stated on the listing, on 3 of 31 homes · 2 more
Persimmon HomesNew build homes under £300,000 in Caerphilly
8 homes on 4 developments
Built by 4 builders, priced from £249,000 to £300,000 (£295,998 in the middle). 2 were listed in the last week. Updated 12 Nov 2026.
Persimmon Homes
Saint Sannans Field
From£254,995Est. £1,284/mo
- 3-4 beds
- 2 baths
- 961-1,355 sq ft
Development in Caerphilly
Assisted move, on every home
Bellway
De Clare Gardens
From£249,000Est. £1,254/mo
- 2-4 beds
- 2 baths
Development in Caerphilly CF83 2WA
Deposit contribution, on 1 of 28 homes · 1 more
Redrow
Cwrt Sirhowy
From£299,995Est. £1,511/mo
- 3-4 beds
- 2 baths
- 958 sq ft
Development in Blackwood, Caerphilly NP12 1BU
Ask about our moving incentives!, on 1 of 12 homes · 4 more
Taylor WimpeyYour 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 homes under £300,000 in Caerphilly
Searches in Caerphilly
Each opens its own page, with the homes it holds today.
Market overview
The new homes for sale in Caerphilly today, in figures.
- Developments
- 4
- Homes for sale
- 8
- Starting price
- £249,000
- Median price
- £295,998
- Median per sq ft
- £313
- Builders
- 4
- Price reduced
- 0
- New this week
- 2
New homes listed with HomePortfolio and on the builders’ own sites.
Market snapshot
Homes for sale and their median asking price, in and around Caerphilly.
Under £300k across Caerphilly
| Place | Median | Homes |
|---|---|---|
| Blackwood | £300k | 1 |
Under £300k near Caerphilly
| Place | Median | Homes |
|---|---|---|
| Blaenau Gwent | £247k | 18 |
| Newport | £292k | 17 |
| Merthyr Tydfil | £206k | 13 |
| Cardiff | £275k | 11 |
| Bridgend | £277k | 4 |
| Torfaen | £290k | 3 |
| Rhondda Cynon Taf | £220k | 1 |
New homes listed with HomePortfolio and on the builders’ own sites.
Builders in Caerphilly
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 | 3 | £299,995 | £299,995 | 38% |
| Bellway | 1 | 2 | £254,995 | £254,995 | 25% |
| Redrow | 1 | 2 | £249,000 | £270,500 | 25% |
| Taylor Wimpey | 1 | 1 | £299,995 | £299,995 | 13% |
New homes listed with HomePortfolio and on the builders’ own sites.
Developments in Caerphilly
Every development with homes for sale here, the most homes first.
New homes listed with HomePortfolio and on the builders’ own sites.
New build homes under £300,000 in Caerphilly: your questions
Answered from today’s listings and the official rules.
How many new build homes under £300,000 are for sale in Caerphilly?
8 are listed today, across 4 developments from 4 builders, 2 of them first listed in the last week.
What do new build homes under £300,000 in Caerphilly cost?
Asking prices run from £249,000 to £300,000, and half are below £295,998. Where the size is stated, the middle price is £313 a square foot. Across every new home in Caerphilly the middle price is £365,498.
Which builders have new build homes under £300,000 in Caerphilly?
Persimmon Homes (3 homes), Bellway (2 homes), Redrow (2 homes) and Taylor Wimpey (1 home).
What is the lowest price among new build homes under £300,000 in Caerphilly?
A 2 bedroom terraced house at De Clare Gardens by Redrow, at £249,000.
How much Land Transaction Tax is there on a new build in Caerphilly?
At the middle asking price of £295,998, a buyer pays £4,259 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 Caerphilly.
- 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