Battery storage — Surrey
Battery Storage Cranleigh
Home batteries for Cranleigh homes, with or without solar panels — sized from your actual usage, with the costs, the seasons and the power-cut reality explained before you commit to anything.
Battery storage in Cranleigh has an unusually good starting point. At the 2021 Census, 81.7% of households in Cranleigh's built-up area lived in houses rather than flats, and 70.6% owned their home, so most people reading this decide for themselves where a battery goes. Fitted with solar panels in Cranleigh, it stores the afternoon surplus for the evening; on its own, it can charge on a cheaper overnight rate, if your tariff offers one, and cover the dearer hours. Either way, it is sized from how your GU6 household uses electricity, not from the size of the roof.
The Waverley figures sit behind it. DESNZ records about 4,325 solar PV installations of all sizes across Waverley at the end of 2025, with 22.57 MW of capacity, and DVLA counts 5,670 privately kept plug-in vehicles in the borough, up from 4,375 a year earlier. Our main battery storage guide covers the products and how sizing works; this page covers Cranleigh's houses, which electricity network the village is actually on, and the questions people here ask first.
Quick answer
Battery storage in Cranleigh:
- Cost: the Energy Saving Trust puts home battery storage at £1,500 to £10,000, with a 5 kWh system at around £4,600; your own figure comes from a survey of your usage.
- Seasons: PVGIS estimates a 4 kWp south-facing array in Cranleigh makes about 501 kWh in June but about 140 kWh in December — size the battery for your evenings, not for summer.
- VAT: residential battery installations carry 0% VAT until 31 March 2027, then 5% from 1 April 2027.
- Grid: central Cranleigh is on UK Power Networks's South Eastern Power Networks network; the installer notifies or applies to the operator depending on the system's size.
- Power cuts: a standard grid-tied battery shuts down when the grid does; backup needs to be designed in from the start, and we will tell you whether it is worth it.
- Who fits it: HCE is a NAPIT member (73495), MCS-certified for solar PV and battery storage via NAPIT, and a HIES Consumer Code member.
Figures: Energy Saving Trust (batteries, updated 19 August 2026) · HMRC VAT Notice 708/6 · PVGIS 5.3 (European Commission Joint Research Centre) · Ofgem RIIO-ED2 annual report 2024/25. Each is cited in full further down this page.
Where a battery fits in Cranleigh's homes
Detached houses dominate: 2,033 of the built-up area's 4,792 households (42.4%) lived in one at the 2021 Census, with a further 25.9% in semis. Houses around Smithwood Common, Rowly and the roads off the High Street usually offer a garage wall, a utility room or an outbuilding near the meter. Check an outbuilding's conditions first: EnSmart's wall-mounted battery, one of the units we fit, is rated IP50 and indoor-only, while its floor-standing packs are rated for outdoor use away from direct sunlight. Lofts are where people expect a battery to go and where we least like one, since summer heat, servicing access and fire-safety guidance on where storage may go all count against them.
Fewer than one in five Cranleigh households live in anything other than a house, and a leaseholder among them needs the freeholder's consent before anything is fixed to the building; the 12.5% of households renting privately need the landlord's. The village centre needs more care. The Cranleigh Village Centre Conservation Area covers 22.35 hectares with 25 statutory listed buildings, including the Grade II* Church of St Nicolas, and over 100 Buildings of Local Merit: keep the battery indoors or on a rear wall out of public view, and on a listed building talk to Waverley Borough Council before anything is fixed to historic fabric. On the newer estates at Leighwood Fields and Knowle Park, check what the builder has already fitted before planning a battery.
What a Cranleigh roof generates through the year
A battery earns its keep by moving daytime generation into the evening, so the shape of the year matters more than the annual total. We ran the European Commission's PVGIS 5.3 (European Commission Joint Research Centre) for Cranleigh itself, for a 4 kWp array at 35° facing due south with 14% system losses:
- 4,086 kWh a year in total
- 501 kWh in June and 500 kWh in July
- 140 kWh in December and 157 kWh in January
In summer a modest array fills a battery most days; in midwinter it rarely will, and the battery's job shifts to storing cheaper off-peak electricity if your tariff offers it. That is why we size storage from your evening usage and tariff, not from the sunniest month. East- or west-facing roofs and shading change these figures more than the town does — which is what the survey measures.
Method: PVGIS 5.3 (European Commission Joint Research Centre), 4 kWp, 35° tilt, due south, 14% system losses, building-mounted, PVGIS-SARAH3, 2005–2023, monthly output, run 15 October 2026.
The grid and power cuts in Cranleigh
Cranleigh's town-centre point sits about 5 km inside UK Power Networks' South Eastern Power Networks licence area. You may see the village described as SSEN territory, but UK Power Networks' own licence boundaries, NESO's GB licence-area boundaries and NESO's postcode lookup for GU6 all put Cranleigh with UK Power Networks; if you live in the surrounding villages, confirm your address with UK Power Networks' postcode checker. For the connection, a battery counts as generation through its inverter: up to 16 A per phase (3.68 kW) for the whole system, the installer notifies the operator under G98, before commissioning or within 28 days of it, and above that a G99 application must be approved before work starts.
UK Power Networks says it approves applications automatically where the maximum export, after any export limit, is under 5 kW. What no paperwork changes is the power-cut position: a standard grid-tied battery shuts down when the grid does, panels included, so nothing feeds cables engineers may be repairing. That matters more than people expect in a village where 81.7% of households heat with mains-gas-only central heating (2021 Census), because a gas boiler's pump and controls need electricity too. Backup must be designed in, with a backup-capable inverter and selected circuits, boiler included if you want it, wired to stay live.
Ofgem's reported 2024/25 figures for South Eastern Power Networks show about 42.2 supply interruptions per 100 customers and about 30.4 minutes lost per customer over the year, against 39.7 and 35.1 across Great Britain. Source: Ofgem — RIIO-2 Electricity Distribution: annual report 2024 to 2025, supplementary datafile, sheet "Ch2 outputs - reliability" (CI and CML performance, planned and unplanned).
Local facts, sourced
Cranleigh and home batteries in numbers
Every figure below comes from a named public source.
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DESNZ records about 4,325 solar PV installations of all sizes across Waverley at the end of 2025, with a combined capacity of 22.57 MW.
Source: DESNZ — Renewable electricity by local authority, 2014 to 2025 (Solar PV sites and capacity, end of 2025, as first published 29 September 2026)
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DVLA records 5,670 privately kept plug-in vehicles across Waverley at the end of June 2026, up from 4,375 a year earlier, a rise of about 30%.
Source: DfT and DVLA — VEH0142 licensed plug-in vehicles by local authority, private keepers, end of June 2026 and end of June 2025 (published 23 September 2026)
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DESNZ estimates that about 13.36% of homes in Waverley have no mains gas connection (2024).
Source: DESNZ — Subnational estimates of properties not connected to the gas network, 2015 to 2024 (published 18 December 2025)
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PVGIS estimates a 4 kWp south-facing array in Cranleigh makes about 140 kWh in December and about 501 kWh in June, so December is roughly 28% of June (our arithmetic on the PVGIS figures).
Source: European Commission JRC — PVGIS 5.3 (PVGIS-SARAH3, 2005–2023): 4 kWp, 35° tilt, due south, 14% losses, building-mounted, run 15 October 2026
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Cranleigh's town-centre point is about 5 km inside UK Power Networks' South Eastern Power Networks licence area, and NESO's postcode lookup returns UK Power Networks South East for GU6.
Source: UK Power Networks — licence boundaries (Open Data Portal, December 2024); NESO — GB DNO licence areas (May 2024); NESO carbon-intensity postcode lookup (GU6)
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At the 2021 Census, 2,033 of the 4,792 households in Cranleigh's built-up area (42.4%) lived in detached houses and 25.9% in semis; 81.7% lived in a house of some type.
Source: ONS Census 2021 (TS044 Accommodation type), Cranleigh built-up area via censusdata.uk
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81.7% of Cranleigh households (3,917 of 4,792) heated with mains-gas-only central heating at the 2021 Census, and just 15 households (0.3%) reported renewable-only heating.
Source: ONS Census 2021 (TS046 Central heating), Cranleigh built-up area via censusdata.uk
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The Cranleigh Village Centre Conservation Area covers 22.35 hectares and contains 25 statutory listed buildings, including the Grade II* Church of St Nicolas, plus over 100 Buildings of Local Merit.
Source: Cranleigh Conservation Area Appraisal, Waverley Borough Council
Data last reviewed: October 2026
What a home battery costs in Cranleigh
The honest national anchor is the Energy Saving Trust's: home battery storage ranges from £1,500 to £10,000, a 5 kWh system costs around £4,600, and a typical home system might be 10 kWh. Energy Saving Trust also says there is no exact formula — sizing comes from your own consumption, that a battery's typical lifespan is about 10 to 12 years, and that fitting storage at the same time as panels costs less than a separate visit later.
Residential battery installations carry 0% VAT until 31 March 2027, reverting to 5% from 1 April 2027. Export payments under the Smart Export Guarantee are set by each supplier and must be above zero — they change on short notice, which is why we never print one. Our own price comes from a survey of your usage, tariff and wiring, and arrives itemised — the battery, the inverter or hybrid unit, the network notification, commissioning and warranties as separate lines.
When we would tell you not to: if your evening usage is low, if your tariff gives you little difference between peak and off-peak, or if a smaller solar array would already cover what you use in daylight, a battery can take a long time to pay its way — and we will say so rather than sell you one.
Sources: Energy Saving Trust — Battery storage (updated 19 August 2026) · HMRC — VAT on energy-saving materials and heating equipment (VAT Notice 708/6) · Ofgem — Smart Export Guarantee.
More for Cranleigh homes
Most batteries are fitted alongside panels, so start with what solar panels in Cranleigh would generate on your roof; for the wider picture, see how we approach homes across Surrey, or our main battery storage guide for the products and how sizing works. For a longer local read, see Where Does a Home Battery Go in a Cranleigh House?.
We also cover battery storage in Godalming, home batteries in Guildford and Horsham battery installation advice.
Cranleigh battery questions
Is Cranleigh on SSEN or UK Power Networks?
UK Power Networks, on the evidence we checked. UK Power Networks' own licence-boundary data, NESO's GB DNO licence-area boundaries and NESO's postcode lookup (GU6 returns UK Power Networks South East) all place Cranleigh in UKPN's South Eastern Power Networks area, with the village-centre point about 5 km inside it. You will still see Cranleigh described as SSEN in places. If you live out in the surrounding villages, check your address with UK Power Networks' postcode checker. Your installer sends the G98 or G99 paperwork to whichever operator serves your address.
Will a battery keep my Cranleigh home running in a power cut?
Not on a standard system. A grid-tied battery shuts down when the grid does, panels included. And because 81.7% of Cranleigh households heat with mains-gas-only central heating, it is worth knowing that a gas boiler stops too in a cut, since its pump and controls run on electricity. Backup needs a backup-capable inverter and selected circuits wired to stay live, and the boiler circuit can be one of them if you want it. Tell us at the survey and we will design and price it as a separate line.
Is a battery worth it with an EV in Waverley?
It depends on your charging pattern. DVLA records 5,670 privately kept plug-in vehicles across Waverley at the end of June 2026, up from 4,375 a year earlier. Most owners charge overnight on a cheaper rate, which a battery does not improve; the battery covers the house's evening use. Cranleigh's June output is strong, about 501 kWh for a 4 kWp south-facing array on PVGIS, but December falls to about 140 kWh, roughly 4.5 kWh a day on our arithmetic, so winter solar will not cover a car and a battery. We size from your actual evening usage and tariff.
Can I add a battery to a new home at Leighwood Fields or Knowle Park?
Usually, with two checks first. Berkeley Homes' Leighwood Fields (425 homes, phase one approved on appeal) and A2Dominion's Knowle Park (265 homes) are recent builds, so the consumer unit and wiring are modern, which makes adding a battery simpler. But find out what the builder fitted, since some new homes come with solar panels or an inverter already, and check your title for estate covenants on external equipment before anything goes on an outside wall. Indoors, a garage or utility room is the usual spot.