Serving Gorseinon
Gorseinon sits on the SA4 postcode at the western edge of the City and County of Swansea, bordering Carmarthenshire and carrying a population of 20,581. Gower College Swansea runs a substantial Gorseinon Campus here, and the town has an independent High Street retail base alongside the growing commercial estate at Parc Gorseinon, the former Mond site that is undergoing mixed-use redevelopment.
Housing sits in three broad layers. Interwar semi-detached stock dominates the older streets, large post-war council estates cover Penyrheol, and new-build continues at Penllergaer on the eastern approach. That mix means domestic rewires, consumer unit upgrades and solar retrofits each see steady demand.
A distinctive feature of this postcode is the elevated Welsh-language use. Penyrheol and neighbouring Pontlliw both report over 20% Welsh-speakers, materially higher than the Swansea average. For clients whose procurement preference runs to bilingual documentation and customer-facing communication, FLD can accommodate that without difficulty.
Landmarks nearby include Penllergare Valley Woods, a restored nineteenth-century botanical garden laid out by the pioneering photographer John Dillwyn Llewelyn, and the Lliw Reservoir complex north of the town. The botanical garden restoration project has brought a gradual uplift in visitor numbers and associated hospitality investment.
Parc Gorseinon itself, sitting on the legacy Mond and Amazon sites, continues to progress through housing and light-industrial phases across 2024 to 2026. That pipeline produces a steady stream of commercial electrical first-fix opportunities and fresh rooftop stock as warehouse and SME tenants take delivery.
At 950 kWh/kWp PVGIS yield, a 30 kWp SME rooftop at Parc Gorseinon generates 28,500 kWh per year. With self-consumption at 75% for a daytime-operating small workshop at 28p/kWh, first-year benefit comes in around £6,300. Simple payback lands near 4.2 years on an £26,000 installed capex, falling to approximately 3.1 years once Annual Investment Allowance is applied.
We routinely work this postcode for both domestic retrofits on the Penllergaer new-builds and for commercial fit-out at Parc Gorseinon. Drive time from our Morfa Industrial Estate base is 15 minutes.
Commercial sites and business parks
Medium energy intensityParc Gorseinon
Fforest Fach Industrial Estate
100 kWp reference system at 950 kWh/kWp
Modelled at 27p/kWh blended import, 15p/kWh SEG export, 65% self-consumption for medium energy intensity site.
Housing stock in Gorseinon
Interwar semis, post-war council estates, Penllergaer new-build
A typical 4 kWp domestic install here generates 3,800 kWh/yr. With 40% self-consumption at 30p/kWh and 60% SEG export at 15p/kWh, first-year saving is approximately £798.
Local landmarks and context
- Penllergare Valley Woods
- Lliw Reservoir
Major employers we work with
- Gower College Swansea Gorseinon
- Parc Gorseinon SMEs
Recent local developments
- Parc Gorseinon mixed-use redevelopment
