Battery Storage Leatherhead

Tenure in KT22 matches the house sizes: around 38.2% of homes are owned outright and 33.8% with a mortgage, roughly 72% owner-occupied, with about 16.2% renting privately and 10.3% socially. In a detached house in Fetcham, Givons Grove or Pachesham Park, a battery normally goes on a garage wall or in a utility room near the consumer unit, and a larger home may need more than one module, so the floor or wall space is planned at survey. The loft rarely makes the shortlist: summer heat, servicing access and fire-safety guidance on where storage may go all count against it. A mid-terrace has no side access, so there the unit goes inside, under the stairs or in a kitchen cupboard.

Flats are around 22.1% of KT22, and the Transform Leatherhead plans for the Swan Centre and Bull Hill would add up to 480 more homes in the town centre. A leaseholder needs the freeholder's or management company's consent before anything is fixed to the building, private tenants need the landlord's, and shared hallways are not places for a battery. The historic core is one of the three Mole Valley conservation areas with an Article 4 Direction over parts of it, so keep the battery indoors or on a rear wall out of public view; on a listed building, where consent-needing work done without consent is a criminal offence, ask Mole Valley's planning team before fixing anything.

Leatherhead is in UK Power Networks' South Eastern Power Networks licence area; the nearest other network, London Power Networks, is also run by UKPN and is about 10.5 km from the town-centre point. A battery connects through an inverter and counts as generation, and the notification goes to UK Power Networks, not your energy supplier. Up to 16 A per phase (3.68 kW) for the whole system, the installer notifies under G98, before commissioning or within 28 days of it; above that, a G99 application must be approved before work starts. That line matters in larger KT22 homes, where a bigger battery and array can pass it, though UK Power Networks says it approves automatically where the maximum export, after any export limit, is under 5 kW.

In a power cut a standard grid-tied battery shuts down with the grid, panels included, so nothing feeds back into cables engineers may be repairing. A full battery in a Fetcham garage does not keep the lights on unless backup was designed in, with a backup-capable inverter and a chosen set of circuits wired to it. In a four-bedroom Leatherhead house, the honest approach is to pick the few circuits that matter, such as the fridge, router and boiler controls, rather than promise the whole house. Tell us at survey if outage cover matters and we will price it as a separate line.

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).