Essex · Battery Storage

Battery Storage Installers in Chelmsford

Afta Electrical installs home and commercial battery storage systems in Chelmsford and across Essex. Whether you're pairing a battery with a new solar installation or retrofitting storage to an existing system, our engineers deliver a properly commissioned, fully warranted installation.

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Accredited by
NAPITRegistered
TrustMarkEndorsed
Part PRegistered
Est. 201510+ Years
About This Service

Battery Storage Installation in Chelmsford

Battery storage in Chelmsford lets you capture surplus solar energy and use it when your panels aren't generating — in the evenings, overnight, or during power cuts. We install Fox ESS, Tesla Powerwall 3 and SolaX systems, each with remote monitoring and smart charging capability. We handle everything from surveying your consumer unit condition to commissioning the battery management system.

We are NAPIT registered and TrustMark endorsed — covering Chelmsford and the wider Essex area. Every installation comes with full documentation, certification and our workmanship guarantee.

Pricing from £3,995

For detailed pricing, see our full pricing page or request a free no-obligation quote below.

What's Included

✓ System design & suitability survey

✓ Battery supply (Fox ESS / Tesla / SolaX)

✓ Full installation & cable routing

✓ Consumer unit connection

✓ Commissioning & app setup

✓ Full documentation & warranty

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Ready to get a quote for battery storage in Chelmsford?

Free survey · No obligation · Response within 1 business day
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Common Questions

Battery Storage FAQs
for Chelmsford

How much does battery storage cost in Chelmsford?+
Battery storage installation in Chelmsford starts from £3,995 for a 5kWh system. A 10kWh system typically costs £5,995–£8,495 and a 15kWh+ system from £8,995. When installed alongside solar, battery storage also qualifies for 0% VAT.
Which battery brands do you install in Chelmsford?+
We install Fox ESS, Tesla Powerwall 3 and SolaX batteries in Chelmsford. All are well-established manufacturers with strong warranty support. We'll recommend the most suitable system for your property at the survey stage.
Can I add battery storage to my existing solar system in Chelmsford?+
Yes. We specialise in battery retrofits — adding storage to existing solar installations in Chelmsford. We'll assess your current inverter, consumer unit and generation levels to recommend the right battery and installation approach.
Does battery storage work during a power cut?+
Some battery systems include backup power capability, allowing your home to continue operating during a grid power cut. Not all systems offer this by default. We advise on backup capability at the survey stage and can specify the right system for your needs.
What VAT rate applies to battery storage in Chelmsford?+
Battery storage installed alongside solar panels qualifies for 0% VAT. Standalone battery storage (without solar) is subject to 20% VAT under current HMRC rules. We apply the correct VAT rate on all our invoices.
Does Afta Electrical cover Chelmsford for battery storage?+
Yes, we cover Chelmsford and the wider Essex area for battery storage installation. Contact us to arrange a free survey.
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Battery Storage Installation in Chelmsford, Essex. We'll respond within 1 business day.

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Related Services

Also available in Chelmsford

Solar PV Installation

Add solar panels to generate the electricity your battery will store.

Learn more →

Battery Retrofits

Have solar already? We retrofit battery storage to existing systems.

Learn more →

Solar + Battery Packages

View our complete solar and battery package pricing.

Learn more →
Free Battery Storage Survey

Find the right battery for your home

Answer 7 quick questions and we'll recommend the right battery system for your property and energy needs. Takes under 2 minutes.

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Question 1 of 7
What type of property is it?
This helps us recommend the right battery capacity for your energy use.
Question 2 of 7
Do you already have solar panels?
Battery storage works best paired with solar — but can also charge from the grid on off-peak tariffs.
Question 3 of 7
What is your main reason for wanting battery storage?
Understanding your priority helps us size and spec the right system.
Question 4 of 7
What is your approximate monthly electricity bill?
This helps us estimate your potential savings and payback period.
Question 5 of 7
Do you have or plan to get an electric vehicle?
Combining battery storage with EV smart-charging can significantly cut costs.
Question 6 of 7
Do you have a battery brand preference?
We install Tesla Powerwall, Fox ESS and SolaX — all excellent options.
Question 7 of 7
Almost done — where shall we send your results?
We'll review your answers and get back to you with honest, tailored advice. No hard sell, no spam.

Thank you — we'll be in touch soon!

We've received your battery storage survey. One of our specialists will review your answers and come back with tailored recommendations — usually within one business day.

Battery Storage Installation in Chelmsford
— get a free quote today

NAPIT and TrustMark registered specialists serving Chelmsford and the wider Essex area. No obligation. Response within 1 business day.

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