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40 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX

EPC BNotable views

Estimated value

£523,000

  • Since the 2025 sale (£515,000)+2%
  • Against SA8 3BX's recent median (£200,000)+162%

Newest record on this page: December 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedrooms
4
Bathrooms
3
Floor area
243 m²
2616 sq ft
Energy rating
B
Score 87
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£523,000

  • Against its 2025 sale (£515,000)+2%
  • Against SA8 3BX's recent median (£200,000)+162%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 40 Dyffryn Road is modelled from its 243 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA8 3BX. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    243 m² from the EPC lodged in March 2022

  • Sales of this home

    2 sales recorded, the latest in 2025

  • Recent sales in SA8 3BX

    5 sales, median £200,000 (2025–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: December 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

Latest sale on 40 Dyffryn Road was the highest on Land Registry record across the postcode.

Sales timeline

  1. 18 December 2025Most recent

    £515,000

    +14.4%over 1 year

  2. 23 May 2024

    £450,000

Median price across the last 5 sales in SA8 3BX: £200,000 (2025–2022).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 40 Dyffryn Road

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

40 Dyffryn Road is a four-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 3BX). It has a recorded floor area of 243 m² (around 2616 sq ft) and construction records dating it to 2022. The latest certificate (March 2022) returns a high B (score 87), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 93). Main heating runs on electricity: electricity, unspecified tariff. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include notable views.

At 243 m² the property is well over the postcode median (84 m² across 18 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. It changed hands recently, sold December 2025 for £515,000. Across 2024–2025, sale prices on this property compounded at 9% per year. On a £-per-square-foot basis, the last sale (£197/sq ft) was about 47% above the typical sold price in the postcode.

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

  • Bedrooms4
  • Bathrooms3
  • Open-plan layoutYes
  • Dining roomYes

Outside

  • ParkingOff road
  • Notable viewsYes

Building

  • Central heatingYes
  • Underfloor heatingYes
Before you decide

Everything you need to know about 40 Dyffryn Road

The true value, the hidden risks and the full sale history, in one report.

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

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

40 Dyffryn Road ranks among the most efficient homes in the postcode for energy use.

Current Certificate
Mar 2022

EPC Rating

A
B
B87
C
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Average
Windows
Very Good
CO2 Emissions
2.4 t/year
Occupancy
—

Certificate validity

Valid until 22 March 2032

5 years remaining
Planning

Planning history

Applications and permits filed against 40 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX, sourced from the PlanIt planning register.

40 Dyffryn Road has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

On the street

Versus other Dyffryn Road homes

Four headline reads against 18 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 40 Dyffryn Road runs well behind the street norm.

Price per m²

£2,119

Street avg £1,534

Strongly above

Floor Area

243 m²

Street avg 91 m²

Strongly above

CO₂ Emissions

2.4 t/year

Street avg 5.4 t/year

Strongly above

Years Held

1 years

Street avg 9 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 Swansea district page.
Full Swansea report

Crime

66/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Tan yr Allt House — bus stop.

Nearest stops

  • Tan yr Allt HouseBus stop140m
  • Alltwen TopBus stop154m
  • Junior SchoolBus stop159m
  • Alltwen HillBus stop161m

Most reported crime locally

  • Violence & Sexual Offences384 reports48%
  • Anti-social Behaviour92 reports12%
  • Public Order87 reports11%
  • Criminal Damage & Arson63 reports8%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

21st centurySemi-Detached HouseEPC B

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £795 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£326k

1 Gelli Geiros, Gellinudd, Pontardawe

SA8 3DZ

4 bed2 bath
£265k

1 Bryn Golau, Alltwen, Pontardawe

SA8 3AF

4 bed1 bath
£217k

1 Bryn Morgrug, Alltwen, Pontardawe

SA8 3DG

4 bed
£288k

1 Heol Y Nant, Rhos, Pontardawe

SA8 3EQ

3 bed1 bath
£478k

1 Clos Llwynallt, Alltwen, Pontardawe

SA8 3JG

£431k

1 Howells Terrace, Pontardawe

SA8 3AQ

£164k

1 Heol Phillip, Alltwen, Pontardawe

SA8 3AX

2 bed1 bath
£160k

1 Gwyns Place, Pontardawe

SA8 3AJ

2 bed1 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 40 Dyffryn Road is modelled from its 243 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA8 3BX. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 40 Dyffryn Road. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 40 Dyffryn Road was lodged in March 2022 at band B and is valid until March 2032. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 40 Dyffryn Road. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 12 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from SA8 3BX.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 40 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX. Each answer is also embedded as structured data for search engines.

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