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21 Bryn Llewelyn, Alltwen, Pontardawe, Swansea, SA8 3BR

Notable views3 sales on record2 planning records

Estimated value

£320,000

  • Since the 2022 sale (£310,000)+3%
  • Against SA8 3BR's recent median (£140,000)+129%

Newest record on this page: October 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
3
Bathroom
1
Floor area
133 m²
1432 sq ft
Energy rating
D
Score 65
Council tax
Band C
Tenure
Owner Occupied
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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

£320,000

  • Against its 2022 sale (£310,000)+3%
  • Against SA8 3BR's recent median (£140,000)+129%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Bryn Llewelyn is modelled from its 133 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in SA8 3BR. 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

    133 m² from the EPC lodged in July 2022

  • Sales of this home

    3 sales recorded, the latest in 2022

  • Recent sales in SA8 3BR

    5 sales, median £140,000 (2025–2017)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: July 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 of 2 applicationsFull 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 21 Bryn Llewelyn was the highest on Land Registry record across the postcode.

Sales timeline

  1. 23 October 2022Most recent

    £310,000

    +51.2%over 5 years

  2. 31 October 2016

    £205,000

    +105.0%over 7 years

  3. 1 April 2009

    £100,000

Median price across the last 5 sales in SA8 3BR: £140,000 (2025–2017).

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

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Overview

About 21 Bryn Llewelyn

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

21 Bryn Llewelyn is a three-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 3BR). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2022) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 80). Other recorded features include notable views and outbuildings. Period features are noted in the property record.

At 133 m² the property is well over the postcode median (79 m² across 7 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2009–2022, sale prices on this property compounded at 8.7% per year. On a £-per-square-foot basis, the last sale (£217/sq ft) was about 30.2% above the typical sold price in the postcode. Sold October 2022 for £310,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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
  • Bathrooms1
  • Dining roomYes
  • StudyYes

Outside

  • Private gardenYes
  • GarageYes
  • OutbuildingsYes
  • Notable viewsYes

Building

  • Period featuresYes
Before you decide

Everything you need to know about 21 Bryn Llewelyn

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.
Current Certificate(1 of 2)
Jul 2022

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.7 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 10 July 2032

5 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2022from Feb 2009
EPC improved fromE49toD65
Heating Controls
FullProg + TRVs

Heating controls changed

Hot Water
Very GoodGood

Hot water efficiency decreased

Windows
AverageGood

Window efficiency improved

Walls
Very PoorPoor

Wall insulation improved

Low Energy Lighting
48%83%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 21 Bryn Llewelyn, Alltwen, Pontardawe, Swansea, SA8 3BR, sourced from the PlanIt planning register.

21 Bryn Llewelyn has an approved single-storey side and rear extension on the planning record.

2 applications on record at 21 Bryn Llewelyn, Alltwen, Pontardawe, Swansea, SA8 3BR

2decisions1extensions9documents
  1. Apr 2009
    ExtensionFull
    Outcome in report

    Extension: Single storey · Side and rear of property

    SINGLE STOREY SIDE AND REAR EXTENSION

    Council
    North
    Documents
    9 docs on file
    Reference
    P2009/0281
    Full record in report
  2. More recent applications — locked
  3. Change Of UseDecision

Unlock 21 Bryn Llewelyn, Alltwen, Pontardawe, Swansea, SA8 3BR's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full
  • The 9 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Bryn Llewelyn homes

Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 21 Bryn Llewelyn runs comfortably ahead of the street norm.

Price per m²

£2,331

Street avg £2,241

Above

Floor Area

133 m²

Street avg 76 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

4.7 t/year

Street avg 4.9 t/year

On par
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

Bryn Llewellyn — bus stop.

Nearest stops

  • Bryn LlewellynBus stop59m
  • Heol-y-ParcBus stop186m
  • Alltwen Rugby ClubBus stop355m
  • Alltwen Rugby ClubBus stop360m

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 3 Building Survey

Victorian-eraSemi-Detached HouseEPC DPre-1919 buildExtended multiple times (2+ extensions)Permanent outbuildings

Because the property was built before 1919, has been extended more than once, and has permanent outbuildings, we believe a Level 3 building survey should be considered.

From £955 · 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.
£288k

1 Heol Y Nant, Rhos, Pontardawe

SA8 3EQ

3 bed1 bath
£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
£164k

1 Heol Phillip, Alltwen, Pontardawe

SA8 3AX

2 bed1 bath
£160k

1 Gwyns Place, Pontardawe

SA8 3AJ

2 bed1 bath
£157k

1 Cae Rhedyn, Rhos, Pontardawe

SA8 3HX

2 bed
£320k

1 Heol Cynfeli, Rhos, Pontardawe

SA8 3FD

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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 21 Bryn Llewelyn is modelled from its 133 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in SA8 3BR. 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. 3 sales are recorded for 21 Bryn Llewelyn. 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 21 Bryn Llewelyn was lodged in July 2022 at band D and is valid until July 2032. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to 21 Bryn Llewelyn. 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 3BR.
Council tax band
21 Bryn Llewelyn is in council tax band C. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Bryn Llewelyn, Alltwen, Pontardawe, Swansea, SA8 3BR. Each answer is also embedded as structured data for search engines.

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