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8 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE

EPC A
Property type
Semi-detached
Bedrooms
3
Bathrooms
2
Floor area
78 m²
840 sq ft
Energy rating
A
Score 92
Council tax
Band E
Overview

About 8 Dol Y Dderwen

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

8 Dol Y Dderwen is a three-bedroom semi-detached house in Llangain, Carmarthen, Carmarthen (SA33 5BE). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 2025 and council tax band E. The latest certificate (August 2025) returns an A (score 92), the top energy band on the EPC scale. When first surveyed in December 2022 the rating was C, the property has climbed 2 bands since. Between certificates, wall efficiency went from Good to Very Good and roof efficiency went from Good to Very Good; while lighting dropped from Very Good to Good and main heating dropped from Good to Average. Main heating runs on electricity: electricity, unspecified tariff.

Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). On a £-per-square-foot basis, the last sale (£298/sq ft) was about 90.7% above the typical sold price in the postcode. Sold February 2023 for £250,000.

Before you offer

Know exactly what you're buying at 8 Dol Y Dderwen

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms2
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

8 Dol Y Dderwen's carbon output is low for the local stock.

Current Certificate(1 of 2)
Aug 2025

EPC Rating

A
A92
B
C
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Good
Windows
Good
CO2 Emissions
0.1 t/year
Occupancy

Property Improvements

Changes detected from historical EPC data

Aug 2025from Dec 2022
EPC improved fromC70toA92
Heating System
Gas BoilerHeat Pump

Heat pump installed, significantly improving energy efficiency

Main Fuel
GasElectric

Changed to a more efficient fuel source

Heating Controls
Prog + TRVsFull

Heating controls upgraded for better temperature management

Windows
Full DoubleHigh Performance

High performance glazing installed

Walls
GoodVery Good

Wall insulation improved

Roof
GoodVery Good

Roof insulation improved

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Planning

Planning history

Applications and permits filed against 8 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE, sourced from the PlanIt planning register.

8 Dol Y Dderwen has no planning applications on record.

Notable planning nearby

4applications of note in the surrounding area

Before you offer

We flagged 1 thing worth checking at 8 Dol Y Dderwen

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.

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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

8 Dol Y Dderwen valuation sits well clear of the typical sold price in this postcode.

Current estimate

£272,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2023)

£250,000

Recorded with HM Land Registry.

Sales timeline

  1. 17 February 2023Most recent

    £250,000

Median price across the last 5 sales in SA33 5BE: £327,000 (2025–2022).

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Everything we know about 8 Dol Y Dderwen, 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
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Preview of the full property report
On the street

Versus other Dol Y Dderwen homes

Four headline reads against 52 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 8 Dol Y Dderwen runs comfortably ahead of the street norm.

Price per m²

£3,205

Street avg £1,973

Strongly above

Floor Area

78 m²

Street avg 96 m²

Strongly below

CO₂ Emissions

0.1 t/year

Street avg 1.8 t/year

Strongly above

Years Held

3 years

Street avg 12 years

Strongly below
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Carmarthen district page.

Crime

4/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Capel Smyrna — bus stop.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Map

Everything within walking distance

Schools, transport stops and scenic spots near this property — 21 points of interest in total.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 8 Dol Y Dderwen, Llangain, Carmarthen, SA33 5BE. Each answer is also embedded as structured data for search engines.