20 Lynden, Lower Cwmtwrch, Swansea, SA9 1DW
About 20 Lynden
20 Lynden is a semi-detached house in Lower Cwmtwrch, Swansea, Swansea (SA9 1DW). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (December 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2013. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 86), a 2-band jump.
Know exactly what you're buying at 20 Lynden
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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Planning history
20 Lynden has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 20 Lynden
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
20 Lynden has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£134,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA9 1DW: £72,000 (2023–2012).
Nearby sales in SA9 1DW
13 Lynden, Lower Cwmtwrch, Swansea, SA9 1DW
Sold Aug 2023
£112,00018 Lynden, Lower Cwmtwrch, Swansea, SA9 1DW
Sold Dec 2020
£105,00010 Lynden, Lower Cwmtwrch, Swansea, SA9 1DW
Sold Apr 2015
£55,00015 Lynden, Lower Cwmtwrch, Swansea, SA9 1DW
Sold Jun 2012
£72,00011 Lynden, Lower Cwmtwrch, Swansea, SA9 1DW
Sold Jun 2009
£72,000
Everything we know about 20 Lynden, 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 Lynden homes
On habitable rooms, 20 Lynden runs well behind the street norm.
EPC Rating
67 (D)
Street avg 63 (D)
Floor Area
74 m²
Street avg 79 m²
CO₂ Emissions
3.4 t/year
Street avg 3.9 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Gurnos Primary School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.