AREA REPORT · CAERPHILLY NP12

NP12.

Caerphilly

NP12 is an outcode in Caerphilly, covering the neighbourhoods of Pontllan-fraith, Pengam & Cefn Fforest, Blackwood, Hengoed & Maesycwmer and Oakdale & Pen-twyn. Over the last 12 months 266 properties changed hands — a median of £140k for flats (£1,665/sqm) and £210k for houses (£2,321/sqm). Housing stock peaks at EPC band D.

Recorded dwellings
10,113
residential addresses we hold records for
Across
4
sectors — see breakdown below
Sales
12 month
3 year
Flats
4
15
Houses
262
1,080
Recorded transactions across the area.
Median sale price
12 month
3 year
Flats
£140k
n = 4
£129k
n = 15
Houses
£210k
n = 262
£200k
n = 1,080
Median sale price across the window.
Median £/sqm
12 month
3 year
Flats
£1,665
n = 4
£2,449
n = 15
Houses
£2,321
n = 255
£2,371
n = 1,044
Typical price per square metre, where floor area is available.
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PRICE MATRIX
Sales by window, type, and floor area.
Headline price
Mean
Houses
Climbing
+7.1% vs 12m
+12.5% vs 3y
£130k£260k£200k£210k£225k3Yn=1,08012Mn=2626Mn=77
Flats
·Limited data
vs 12m
vs 3y
£95k£190k£129k£140k3Yn=1512Mn=46Mn=0
Bar height = median sale price. Tick = mean. Trend word reads the joint state of the 6m-vs-12m and 6m-vs-3y tiers.
Size-normalised — £ per sqm
Mean
Houses
Firming
+4.2% vs 12m
+2.0% vs 3y
£0£1,300£2,600£2,371£2,321£2,4193Yn=1,04412Mn=2556Mn=73
Flats
·Limited data
vs 12m
vs 3y
£0£1,300£2,600£2,449£1,6653Yn=1512Mn=46Mn=0
From EPC-matched floor area. Hatched bars mark windows where fewer than 60% of sales matched a certificate.
Show numbers
Houses · 6m
Avg £
£240k
n=77
Median £
£225k
n=77
Avg £/sqm
£2,476
n=73
Median £/sqm
£2,419
n=73
Houses · 12m
Avg £
£229k
n=262
Median £
£210k
n=262
Avg £/sqm
£2,408
n=255
Median £/sqm
£2,321
n=255
Houses · 3y
Avg £
£221k
n=1,080
Median £
£200k
n=1,080
Avg £/sqm
£2,418
n=1,044
Median £/sqm
£2,371
n=1,044
Flats · 6m
Avg £
n=0
Median £
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
Flats · 12m
Avg £
£180k
n=4
Median £
£140k
n=4
Avg £/sqm
£1,804
n=4
Median £/sqm
£1,665
n=4
Flats · 3y
Avg £
£138k
n=15
Median £
£129k
n=15
Avg £/sqm
£2,214
n=15
Median £/sqm
£2,449
n=15
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£0k£110k£219k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
Median EPC score
68
Median potential
84
075415072010201520202025
A
B
C
D
E
F
G
COUNCIL TAX
Band distribution.
Column width shows the number of properties in each council tax band. Colour shows the composition within that band.
Flats/maisonettes
Terraced
Semi-detached
Band A
1,887
Terraced
Semi-detached
Band B
7,949
Terraced
Semi-detached
Band C
4,852
Semi-detached
Detached
Bungalows
Band D
1,907
Detached
Bungalows
Band E
2,003
Detached
Band F
552
Detached
Band G
157
Band H
0
Band I
0
Flats/maisonettes
Terraced houses
Semi-detached houses
Detached houses
Bungalows
Property type totals
Flats/maisonettes
1,261
6.6%
Terraced houses
5,707
30%
Semi-detached houses
7,627
40%
Detached houses
3,189
17%
Bungalows
1,425
7.4%
AMENITIES
Transport access and schools.
Counts of public transport stop points and schools inside the outcode (or within ~100m of the boundary). Drill into a sector for the full stop-by-stop list.
Rail stations
1
Metro & tram
0
Bus & coach
1
Bus stops
253
Schools
14
SECTORS
Drill down to sector.
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COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
12 · click column to sort
Blackwood
2,955
3,515
Pontllan-fraith
3,541
3,266
Pengam & Cefn Fforest
3,108
2,366
North Blackwood, Argoed & Markham
2,364
2,245
Oakdale & Pen-twyn
1,359
1,663
Hengoed & Maesycwmer
272
251
St Cattwg
171
210
Crosskeys South & Ynysddu
158
184
Aberbargoed & Gilfach
21
21
Newbridge
7
9
Crosskeys North & Abercarn
5
2
New Tredegar & Darren Valley
5
0
Wards
13 · click column to sort
Blackwood
3,416
3,951
Pontllanfraith
3,541
3,266
Penmaen
2,046
2,521
Cefn Fforest and Pengam
3,108
2,366
Argoed
1,215
946
Maesycwmmer
272
251
St Cattwg
171
210
Ynysddu
158
184
Aberbargoed and Bargoed
21
21
Newbridge
7
9
Crumlin
1
5
Abercarn
5
2
New Tredegar
5
0
NEARBY OUTCODES
Nearby outcodes.
FAQ

NP12 property data — common questions

What is the average house price in Caerphilly (NP12)?
Over the last 12 months the median house sale price in NP12 (Caerphilly) was £210k, with an average of £229k, from 262 recorded sales (HM Land Registry).
How much do flats cost in NP12?
The median flat sale price in NP12 over the last 12 months was £140k (about £1,665 per square metre), from 4 recorded sales.
What is the price per square metre in NP12?
Typical sale prices per square metre in NP12 are £2,321 for houses and £1,665 for flats, where floor area is recorded on the energy certificate.
What EPC rating do homes in NP12 have?
Homes in NP12 most commonly hold EPC band D, with a median current energy-efficiency score of 68 (a potential of 84 after improvements).
How many properties sold in NP12 in the last year?
266 properties were sold in NP12 over the last 12 months, and 1,095 over the last three years (HM Land Registry Price Paid data).
REFRESHED 11 JUN 2026 ·DATA & SOURCES