Cambrai House, Brynmawr Avenue, Ammanford, SA18 2DA
About Cambrai House
Cambrai House is a seven-bedroom detached house in Ammanford (SA18 2DA). It has a recorded floor area of 256 m² (around 2756 sq ft), construction records dating it to 1976-1982 and council tax band G. Tenure is freehold. The latest certificate (January 2020) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in May 2009 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Good. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil. Other recorded features include outbuildings and attached land beyond the plot.
At 256 m² the property is well over the postcode median (174 m² across 31 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). 7 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2001–2024, sale prices on this property compounded at 8.2% per year. Sold May 2024 for £410,000.
Know exactly what you're buying at Cambrai House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms7
- Bathrooms3
- Dining roomYes
- Utility roomYes
- StudyYes
Outside
- Private gardenYes
- DrivewayYes
- OutbuildingsYes
- LandYes
Building
- TenureFreehold
Energy performance
Cambrai House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Roof insulation improved
More low energy lighting installed
Planning history
Cambrai House has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Cambrai House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on Cambrai House was the highest on Land Registry record across the postcode.
£442,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.2% per year over 23 years.
£410,000
Growth on file: 8.2% per year over 23 years.
Sales timeline
23 May 2024Most recent
£410,000
+17.1%over 3 years6 November 2020
£350,000
+414.7%over 19 years21 June 2001
£68,000
Median price across the last 5 sales in SA18 2DA: £390,000 (2024–2021).
Nearby sales in SA18 2DA
13 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Mar 2024
£367,50072 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Nov 2023
£405,00062 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Nov 2022
£399,950Alltwen, Brynmawr Avenue, Ammanford, SA18 2DA
Sold Feb 2022
£365,00042 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Oct 2021
£390,000
Everything we know about Cambrai House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Brynmawr Avenue homes
Years Held for Cambrai House lags the street by a wide margin.
Price per m²
£1,602
Street avg £1,585
Floor Area
256 m²
Street avg 176 m²
Habitable Rooms
13 rooms
Street avg 7 rooms
CO₂ Emissions
13.8 t/year
Street avg 6.5 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Myddynfych Drive — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.