Key indicators for buyers
The NP1 market is moderately favourable for buyers. Prices are rising at 26.0%, which may favour acting sooner rather than later. Rising rents (£733/mo, +8.3%) mean the cost of waiting is real.
Yearly averages · HM Land Registry Price Paid Data
The average property in NP1 sold for £400,000 in 2025, with a median of £400,000 across 1 transactions. Prices rose 26.0% compared to the previous year.
House price ÷ median earnings · ONS data
Affordability data shown for wider Caerphilly area
A home in Caerphilly costs 5.8x the local median salary — moderate, improving from a peak of 6.0x in 2006.
Average monthly rent · ONS Private Rental Index
Rental data shown for wider Caerphilly area
Average monthly rent in Caerphilly is £733, up 8.3% year-on-year. Rents have risen consistently over the past five years.
2yr fixed · 75% LTV · 25yr term · BoE avg. rate
Based on the average Caerphilly price of £400,000 with a 25% deposit (£100k), a 2-year fixed mortgage at 3.97% costs around £1,579 per month.
Monthly cost comparison based on current data
Uses NP1 avg. price with Caerphilly rental data
Monthly mortgage payments (£1,579) are £846 more than renting (£733). However, buying requires an upfront deposit of £100k — it would take around 82 years to recoup that cost compared to renting and investing the difference.
Latest transactions · HM Land Registry Price Paid Data
| Address | Type | Price | Date |
|---|---|---|---|
CEFN SMITHY SERVICE STATION, HIGH CROSS ROAD, ROGERSTONE NP1 9AD | Other | £400,000 | 11 Dec 2025 |
SWFFRYD SERVICE STATION, SWFFRYD ROAD, CRUMLIN NP1 5DW | Other | £140,000 | 12 May 2021 |
TY-YN-Y-PWLL INN, NEWPORT ROAD, TRETHOMAS NP1 8BR | Other | £495,000 | 26 Feb 2021 |
1, JUBILEE BUILDINGS, CRUMLIN NP1 4PB | Other | £5,000 | 9 Dec 2019 |
4, JUBILEE BUILDINGS, CRUMLIN NP1 4PB | Other | £5,000 | 9 Dec 2019 |
BY PASS GARAGE, CRUMLIN ROAD, CRUMLIN NP1 4QJ | Other | £1,075,000 | 5 Jun 2019 |
TY-YN-Y-PWLL INN, NEWPORT ROAD, TRETHOMAS |
Data sources (all free & public): HM Land Registry Price Paid Data & UK House Price Index · ONS Housing Affordability Ratios · ONS Private Rental Index · Bank of England Quoted Household Interest Rates · HMRC Monthly Property Transactions
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
| Detached |
| £200,000 |
| 9 Jun 2015 |
7, ISLWYN STREET, ABERCARN NP1 4SR | Terraced | £58,000 | 22 Feb 2010 |
7, ISLWYN STREET, ABERCARN NP1 4SR | Terraced | £30,000 | 21 Aug 2002 |
7, ISLWYN STREET, ABERCARN NP1 4SR | Terraced | £26,950 | 11 Jul 2001 |
UNIT 10, NINE MILE POINT INDUSTRIAL ESTATE, CWMFELINFACH NP1 7HZ | Detached | £200,000 | 31 Jan 2001 |
1, JUBILEE BUILDINGS, CRUMLIN NP1 4PB | Terraced | £9,000 | 3 Jul 1998 |
The most recent recorded sale in NP1 was a other property on High Cross Road for £400,000 in December 2025. Across the last 12 sales, the median price was £140,000.