Solar · Battery · EV — Surrey
Solar Panels Redhill
Solar panels, battery storage and EV chargers for homes in and around Redhill — designed from your actual usage, installed by an MCS-certified team, and explained in plain English before you commit to anything.
Redhill exists because of the railway. Its first station opened on 12 July 1841, the combined junction station followed on 15 April 1844, and within a decade the town's population had more than doubled — 3,287 residents in 1851 had become 7,967 by 1861. That growth spurt is still legible from the street: Victorian terraces and villas spread from the centre through St John's and up Redstone Hill, their pitched slate roofs part of the town's character, with a century and a half of later additions around them — interwar and postwar family homes towards Earlswood and Whitebushes, the lakeside streets of Watercolour, and brand-new apartments above Marketfield Way. We quote for homes in and around Redhill; what follows is the local detail worth having before anyone prices your roof.
None of that history changes the physics: solar works right across the UK, and Redhill needs no special pleading. The Met Office's nearest long-term climate station, at Charlwood about seven miles south of the town near Gatwick, averages 1,628 hours of sunshine a year on the 1991–2020 record — comfortably clear of the UK's roughly 1,400-hour average, and useful headroom for a properly sized array. Whether panels are the right call for your particular house comes down to orientation, shading and how you use electricity. Run your own figures through our savings calculator, read how we approach solar generally — and if the survey says no, we will tell you so.
Solar on Redhill's housing
The 2021 Census counted 35,843 residents in 14,674 households across the Redhill built-up area — Merstham and South Merstham are tallied as separate adjacent areas — and the RH1 district's housing mix is unusually even-handed: roughly 27.8% detached, 27.1% semi-detached, 21.8% terraced and 19.5% flats, with three-bedroom homes the largest single size band at 37.6%. That balance shapes the solar conversation here. Detached and semi-detached homes — over half the stock between them — generally offer the uncomplicated pitched roofs where an eight-to-twelve-panel array goes on without drama; the terraced streets nearer the centre reward a more considered design; and flat owners, nearly a fifth of the district, will usually need freeholder or management-company consent before anything is fixed to the building.
The stock also spans nearly two centuries of building. The Victorian core that followed the railway means slate-roofed terraces and villas around the centre and St John's — roofs that suit an in-roof system or a carefully fixed on-roof array, and that sit inside conservation areas often enough to make a designation check routine here. At the modern end are Watercolour, the lakeside neighbourhood built between 2008 and 2012 on the former Holmethorpe Gravel Quarry, and The Rise on Marketfield Way, whose 150 one- and two-bedroom apartments reached practical completion in July 2023. Newer homes like these are better insulated and use less energy to begin with — which changes the arithmetic of an array, not the principle.
What Reigate and Banstead Borough Council is doing
Reigate & Banstead Borough Council's Environmental Sustainability Strategy 2024 sets a net-zero target for the council's own operations by 2030 and commits to putting solar PV on the roofs of suitable council buildings — while candidly noting that the council's own footprint is under 1% of the borough's total emissions, which is the strategy's own way of saying household roofs carry most of the weight. For those households the practical route has been Solar Together, the Surrey-wide group-buying scheme run by Surrey County Council with iChoosr: the borough says it has run three times and benefited hundreds of local homes. The 2025 rounds are closed, with the next due in 2026 under the rebranded name Switch Together — worth comparing against an independent quote rather than treating as the only door.
Planning is the other local thread. Redhill has designated conservation areas of its own — the town centre, Redstone Hill and St John's, with Merstham next door — among the roughly 25 across the borough counted in the council's November 2024 conservation area review, and draft character appraisals have been published for each. Crucially, Article 4 Directions have been served on most of the borough's conservation areas, controlling external changes to dwelling houses: alterations that would normally be permitted development can need planning permission on these streets, so a designation check belongs at the start of a solar conversation in Redhill, not the end.
Local facts, sourced
Redhill in numbers
Every figure below comes from a named public source — the same standard we hold our savings estimates to.
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Reigate & Banstead Borough Council's Environmental Sustainability Strategy 2024 targets net zero for the council's own operations by 2030 and commits to installing solar PV on the roofs of suitable council buildings — while noting the council's own footprint is less than 1% of the borough's total emissions.
Source: Reigate & Banstead Borough Council — Environmental Sustainability Strategy 2024 summary (reigate-banstead.gov.uk)
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Redhill households can register for the Surrey-wide Solar Together group-buying scheme, run by Surrey County Council with iChoosr; Reigate & Banstead says the scheme has run three times and benefited hundreds of homes in the borough, with the 2025 rounds now closed and the next round due in 2026 under the rebranded name Switch Together.
Source: Reigate & Banstead Borough Council — Solar Together page (reigate-banstead.gov.uk)
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Redhill has its own designated conservation areas — Redhill town centre, Redstone Hill and St John's, plus neighbouring Merstham — among around 25 across the borough (25 designated as of the council's November 2024 conservation area review), and the council has published draft character appraisals for each; panel siting in these streets needs extra care.
Source: Reigate & Banstead Borough Council — Draft Conservation Area Character Appraisals and Planning Committee conservation area review, Nov 2024
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Article 4 Directions have been served on most conservation areas in Reigate and Banstead, controlling external changes to dwelling houses — so planning permission is generally required for external alterations there that would normally be permitted development.
Source: Reigate & Banstead Borough Council — About conservation areas (reigate-banstead.gov.uk)
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Redhill sits in UK Power Networks' South Eastern Power Networks (SPN) licence area — the network covering south London, Kent, East Sussex and parts of Surrey and West Sussex — so UKPN is the distribution network operator that handles G98/G99 notifications and export connections for solar installs in RH1.
Source: UK Power Networks — operating areas (ukpowernetworks.co.uk); SPN licence-area extent per UK Power Networks
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The Met Office's nearest long-term climate station at Charlwood, about seven miles south of Redhill near Gatwick, averages 1,628 hours of sunshine a year (1991–2020) — comfortably above the UK average of roughly 1,400 hours and useful headroom for PV yield.
Source: Met Office — Charlwood location-specific long-term averages (metoffice.gov.uk)
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Redhill town centre gained 150 new one- and two-bedroom apartments plus a six-screen cinema (The Light, with boutique bowling and a diner) when the council's flagship development The Rise on Marketfield Way reached practical completion in July 2023 — part of a wave of modern, well-insulated new stock in the centre.
Source: Reigate & Banstead Borough Council — The Rise, Marketfield Way (reigate-banstead.gov.uk)
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Energy Action Redhill and Reigate, a community benefit society formed by local residents in 2021 and registered with the FCA in January 2022, serves East Surrey with free home energy surveys (using thermal imaging) and accessible advice on cutting energy bills and improving home energy efficiency.
Source: Energy Action Redhill and Reigate — Who We Are (earr.co.uk)
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Redhill is a Victorian railway town: its first station opened on 12 July 1841 and the combined junction station on 15 April 1844, after which the population more than doubled from 3,287 in 1851 to 7,967 by 1861 — the legacy is a core of Victorian terraces and villas around the centre and St John's whose pitched slate roofs suit in-roof or carefully fixed on-roof arrays.
Source: Wikipedia — Redhill, Surrey (railway dates); Imperial Gazetteer of England and Wales via A Vision of Britain (visionofbritain.org.uk)
Data last reviewed: July 2026
Where we work around Redhill
We quote for homes in and around Redhill, including Earlswood, Merstham, Whitebushes, St John's, Redstone Hill, Watercolour, Holmethorpe and Salfords, across the RH1 postcode district. Every quote starts with a free survey of your actual roof and usage — if solar wouldn't pay its way on your home, we'll say so plainly. Try the numbers first on our savings calculator, or read how we approach installations across Surrey.
Redhill solar questions
How do Redhill's conservation areas affect a solar install?
More than in most Surrey towns, because of Article 4. Redhill town centre, Redstone Hill and St John's are designated conservation areas — Merstham is another next door — among roughly 25 across the borough, and Reigate & Banstead has served Article 4 Directions on most of them, controlling external changes to dwelling houses. In practice, alterations that would normally be permitted development can need planning permission on those streets, so the sensible order is: confirm the designation, read the council's draft character appraisal for the area, then design the array around what it says. Outside the conservation areas, roof-mounted solar on a house is normally permitted development. We check the specific address before quoting, and listed buildings always need consent.
Who connects a new solar system to the grid in Redhill?
UK Power Networks. Redhill falls within UKPN's South Eastern Power Networks licence area — the network covering south London, Kent, East Sussex and parts of Surrey and West Sussex — so it is UKPN that receives the G98 notification for a smaller system, or the G99 application that larger systems need approving before installation. Your installer deals with that paperwork; nothing lands on you. It is worth knowing simply because Surrey splits between networks — the west of the county sits with SSEN — and RH1 addresses are firmly on the UKPN side.
Is there any local scheme that helps with solar in Redhill?
Two worth knowing. Solar Together, the Surrey-wide group-buying scheme run by Surrey County Council with iChoosr, has run three times and — on Reigate & Banstead's own account — benefited hundreds of homes in the borough; the 2025 rounds are closed, and the next is due in 2026 under the new name Switch Together. Registering and getting an independent quote are not mutually exclusive, and comparing the two is exactly what we would suggest. Separately, Energy Action Redhill and Reigate — a community benefit society formed by local residents in 2021 and FCA-registered in January 2022 — offers free home energy surveys with thermal imaging across East Surrey: a genuinely useful first step if you want impartial eyes on your home before spending anything.
Can panels go on the slate roofs of Redhill's Victorian terraces?
Usually, yes — with more care than a modern tiled roof needs. Redhill's core is Victorian: the town grew around the 1841 railway, and the terraces and villas near the centre and through St John's typically carry pitched slate roofs. Slate is brittle and does not take kindly to being walked on or drilled casually, so fixings need doing properly — hook systems, or an in-roof array that replaces a section of slate entirely, are the usual routes, and in-roof tends to sit more discreetly in the conservation areas too. A survey should also confirm the roof timbers and the slate itself are sound before anything is mounted. If a roof genuinely is not up to it, we will say so rather than fix panels to a liability.
What does Redhill's weather mean for solar payback?
The light is better than the UK average, but honesty matters more than optimism. The Met Office's nearest long-term climate station, at Charlwood about seven miles south of Redhill near Gatwick, averages 1,628 hours of sunshine a year on the 1991–2020 record, against a UK average of roughly 1,400 — useful headroom for an array's annual yield. Payback in Redhill is still decided by the same things as anywhere: your roof's orientation and shading, how much of the generation you use yourself, whether a battery shifts more of it into the evening, and your export tariff. We will put honest numbers on your actual house rather than promise a payback year from a postcode.
Nearby
We also cover solar panels in Reigate, solar installation Horley and Caterham solar and battery installers.