Commercial solar panel installers in Horsham
Horsham combines a genuinely large pharmaceutical R&D campus (Novartis Horsham, still one of the largest pharma sites in southern England) with the Foundry Lane / Redkiln light-industrial base and the newer Broadbridge Heath distribution build-out. RH12–RH13 also carries a substantial insurance HQ presence (RSA-legacy sites) and the Warnham brick and quarry industrial hinterland. UK Power Networks' Horsham 33 kV has capacity for typical rooftop PV following the Broadbridge Heath primary works.
Best-fit sectors in Horsham
- Novartis Horsham Campus pharma R&D
- Foundry Lane & Redkiln light manufacturing
- Broadbridge Heath distribution and retail-park
- Warnham brick and quarry industrial
Solar yield
Horsham sits in the South East irradiance band — roughly 1,000–1,080 kWh per kWp per year — the highest band of commercial solar yield in the UK.
Areas we cover near Horsham
Broadbridge Heath · Southwater · Warnham · Slinfold · Roffey · Barns Green · Colgate-edge
Postcodes: RH12, RH13
Funding for Horsham businesses
West Sussex County Council low-carbon business grants, Coast to Capital LEP legacy decarbonisation capital, ABPI pharmaceutical-supplier Scope-3 frameworks (relevant to Novartis-adjacent tier-2 occupiers) and the UK-wide 100% Annual Investment Allowance all serve RH12/RH13.See UK grants & funding guide →
Run the numbers for your Horsham site
Get an indicative system size, savings and payback for a commercial site in Horsham.Open the calculator →
Most relevant sectors for Horsham businesses
Based on the dominant industries across Horsham, these are the commercial solar specialisms most relevant locally — each links to a deeper guide.
Factories & Manufacturing in Horsham
Heavy daytime load and process heat — fast payback on industrial roofs.
See the factories & manufacturing guide →Warehouses & Logistics in Horsham
Large flat roofs, high daytime demand — the strongest commercial solar fit.
See the warehouses & logistics guide →Supermarkets & Retail in Horsham
Predictable trading-hours demand and multi-site rollouts.
See the supermarkets & retail guide →Commercial solar in Horsham — FAQs
Does Novartis Horsham's Scope-3 policy influence local PV?
Yes — Novartis has a group-wide 2030 net-zero-in-own-operations and 2040 across value chain target, and its Horsham-hosted tier-2 laboratory-consumables and clinical-services suppliers are now expected to demonstrate renewable generation as part of annual supplier evaluations.
How does UKPN handle RH12/RH13 G99?
The Broadbridge Heath primary works completed 2022–23 provide reasonable headroom — sub-500 kWp with export limitation typically clears in 8–12 weeks and 1 MWp is deliverable subject to network study, particularly on the Foundry Lane side of RH13.
Are Foundry Lane and Redkiln estates PV-viable?
Yes — the Foundry Lane / Redkiln light-industrial stock is broadly 1990s metal-deck with predictable structural capacity and modest shading. Typical 100–250 kWp arrays with 5–7 year payback where occupier daytime demand is present.
Do South Downs / High Weald overlays affect Horsham arrays?
Only marginally — parts of southern RH13 sit within the High Weald National Landscape (formerly AONB) and require slightly enhanced visual-impact assessment for prominent rural sites, but standard commercial rooftop arrays generally pass without objection.
How wide is Horsham coverage?
Broadbridge Heath, Southwater, Warnham, Slinfold, Roffey and Barns Green are day-one visits; Crawley, Haywards Heath, Guildford-edge, Billingshurst and Pulborough are on planned survey days from the West Sussex base.
Horsham is part of our South East commercial solar service area. See the South East regional guide →