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21 Heol Tredeg, Upper Cwmtwrch, Swansea, SA9 2XD

3 sales on record1 planning record
Property type
Detached
Bedrooms
3
Bathroom
1
Floor area
134 m²
1446 sq ft
Energy rating
F
Score 34
Council tax
Band D
Tenure
Owner Occupied
Overview

About 21 Heol Tredeg

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

21 Heol Tredeg is a three-bedroom detached house in Upper Cwmtwrch, Swansea, Swansea (SA9 2XD). It has a recorded floor area of 134 m² (around 1446 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (February 2011) shows an F (score 34), near the bottom of the EPC scale. The recommended improvements would push it to E (score 46). Main heating runs on oil. The latest certificate is from February 2011, so improvements made since then won't be reflected.

At 134 m² the property is well over the postcode median (95 m² across 17 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last changed hands 9 years ago, in November 2017. Across 1998–2017, sale prices on this property compounded at 7.9% per year. Today's modelled estimate of £251,000 is 45.1% above the 2017 sale price. One historical planning record sits against the property in 2008.

Before you offer

Know exactly what you're buying at 21 Heol Tredeg

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
  • Bathrooms1
  • Dining roomYes

Outside

  • Private gardenYes
  • Garagedouble
Energy

Energy performance

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

21 Heol Tredeg's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 26 Feb 2021

EPC Rating

A
B
C
D
E
F
F34
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Average
CO2 Emissions
11.0 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 21 Heol Tredeg, Upper Cwmtwrch, Swansea, SA9 2XD, sourced from the PlanIt planning register.
  1. Jan 2008
    New BuildOutline
    In report

    Outline application for dwelling

    Reference
    B/0007/0341
    View planning record

What's in 21 Heol Tredeg, Upper Cwmtwrch, Swansea, SA9 2XD's planning history?

Refusals, disputes and full decisions on this property and nearby, in the report.

Price

Sales history & valuation

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

Price for 21 Heol Tredeg has grown more than fourfold since the 1998 starting point.

Current estimate

£251,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 19 years.

See how we calculated this
Last sold (2017)

£173,000

Growth on file: 7.9% per year over 19 years.

Sales timeline

  1. 3 November 2017Most recent

    £173,000

    +1.2%over 3 years

  2. 15 November 2013

    £171,000

    +332.9%over 15 years

  3. 29 June 1998

    £39,500

Median price across the last 5 sales in SA9 2XD: £177,500 (2025–2022).

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Everything we know about 21 Heol Tredeg, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

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On the street

Versus other Heol Tredeg homes

Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 21 Heol Tredeg runs comfortably ahead of the street norm.

Price per m²

£1,288

Street avg £1,482

Below

Floor Area

134 m²

Street avg 101 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Above

CO₂ Emissions

11.0 t/year

Street avg 8.3 t/year

Below
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£248k

1 Crimea Court, Graig Newydd, Godrergraig

SA9 2DT

3 bed2 bath
£182k

1 Dan Y Graig Cottages, Felinfach, Ystradowen

SA9 2XT

3 bed1 bath
£178k

1 Cadfan Villas, Swanfield, Ystalyfera

SA9 2JE

3 bed1 bath
£354k

1 Clyngwyn Road, Ystalyfera

SA9 2AE

3 bed1 bath
£155k

1 Caedu Road, Cwmllynfell

SA9 2FQ

3 bed
£140k

1 Bethel Road, Lower Cwmtwrch

SA9 2PS

3 bed1 bath
£140k

1 Brynawel Terrace, Ystradowen

SA9 2YT

3 bed1 bath
£201k

1 Ffordd Glandwr, Ystalyfera

SA9 2ER

4 bed1 bath
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

6/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

New Tredegar Arms — 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 — 30 points of interest in total.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Heol Tredeg, Upper Cwmtwrch, Swansea, SA9 2XD. Each answer is also embedded as structured data for search engines.