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London · ECO4 Grants

ECO4 grants in London Borough of Islington

Free heating, insulation and home upgrades for eligible London Borough of Islington households. ECO4, Boiler Upgrade Scheme, GBIS, and LA Flex active can together deliver £8,000–£25,000 of fully-funded improvements at no cost to the homeowner or tenant.

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London Borough of Islington: housing context

Dense Victorian terraced stock with extensive solid-wall demand and significant council and housing-association portfolios; one of the most active LA Flex boroughs nationally.

Region
London
Population
217,000
Housing stock
99,000
Pre-1980 dwellings
86%
Fuel poverty
16%
LA Flex status
LA Flex active

The London Borough of Islington housing landscape is high-priority for ECO4 retrofit work. The combination of 86% pre-1980 housing stock and 16% household fuel poverty creates high demand for funded retrofit interventions.

Schemes available to London Borough of Islington households

Five overlapping funding routes apply to London Borough of Islington households, each with different eligibility rules. We map your circumstances to the right one.

ECO4 Standard

Funded by the major energy suppliers. Eligible if you receive certain means-tested benefits. Insulation, heating system upgrade, ventilation, solar PV in some cases. £10,000–£25,000 typical value.

Local Authority Flex (active)

London Borough of Islington has actively declared a Statement of Intent for ECO4 LA Flex, meaning the council can extend eligibility based on health, income, or vulnerability where standard ECO4 criteria don't apply. £8,000–£20,000 value typical.

Great British Insulation Scheme (GBIS)

Insulation-only scheme for low-EPC homes (D-G) in council tax bands A-D. Cavity wall, loft, internal/external wall. £4,000-£8,000 value.

Boiler Upgrade Scheme (BUS)

£7,500 grant towards a heat pump for London Borough of Islington owner-occupiers and small businesses. Air-source or ground-source. Requires existing boiler/electric heating replacement.

Home Upgrade Grant (HUG)

For off-gas-grid low-income households. Air-source heat pump, insulation, solar combined package. £10,000-£20,000 value where the property qualifies.

How to apply for ECO4 in London Borough of Islington

  1. Eligibility check — two-minute online form covering your address, tenure, household income or benefits, current heating, EPC if known.
  2. Free home assessment — if eligible, a certified surveyor visits within 14 days and produces a Retrofit Plan with the funded improvements identified.
  3. Installation — accredited installer carries out the works, fully funded by the relevant scheme. No payment from the householder.

Check your eligibility now

60-second check covers ECO4, LA Flex, GBIS, BUS, and HUG simultaneously. Free, no commitment, no high-pressure sales.

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Other authorities in the London

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