21 Martin Street, Clydach, Swansea, SA6 5DD
About 21 Martin Street
21 Martin Street is a two-bedroom end-of-terrace house in Clydach, Swansea, Swansea (SA6 5DD). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (June 2015) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 86), a 3-band jump. The latest certificate is from June 2015, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
5 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. At 80 m² it's 19.2% smaller than the typical home in the postcode (99 m² median across 7 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Across 2009–2015, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £153,000 is 35.4% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 37.3% above the typical sold price in the postcode. On the market in March 2015 and unlisted since — roughly 11 years.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- CloakroomYes
- FireplaceYes
Outside
- Private gardenRear
- GarageYes
- Cul-de-sacYes
Building
- Heating systemGas
- Previously extendedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Jun 2025
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
A a garage conversion application was refused at 21 Martin Street in 2023.
5 applications on record at 21 Martin Street, Clydach, Swansea, SA6 5DD
- Oct 2003ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
Single storey side/rear extension incorporating garage on side elevation
- Reference
- 2003/1655
- More recent applications — locked
- Garage ConversionJun 2024Decision
- Garage ConversionAug 2023Decision
+ 2 more applications in the report
Unlock 21 Martin Street, Clydach, Swansea, SA6 5DD's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full, plus 2 notable nearby
- The 46 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Martin Street valuation sits well clear of the typical sold price in this postcode.
£153,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 5 years.
£113,000
Growth on file: 2.9% per year over 5 years.
Sales timeline
16 March 2015Most recent
£113,000
+16.5%over 5 years1 December 2009
£97,000
Median price across the last 5 sales in SA6 5DD: £128,000 (2020–2011).
Nearby sales in SA6 5DD
4 Martin Street, Clydach, Swansea, SA6 5DD
Sold Jul 2020
£70,00012 Martin Street, Clydach, Swansea, SA6 5DD
Sold Sept 2019
£128,00022 Martin Street, Clydach, Swansea, SA6 5DD
Sold Sept 2018
£165,00014 Martin Street, Clydach, Swansea, SA6 5DD
Sold Jun 2017
£185,00013 Martin Street, Clydach, Swansea, SA6 5DD
Sold Nov 2009
£50,000
Versus other Martin Street homes
21 Martin Street is notably below the street on epc rating.
Price per m²
£1,413
Street avg £1,161
Floor Area
80 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Graig Felen Lower — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







