Upgrading a Social Housing Estate with Renewables

How CRG Direct delivered a 45% energy reduction across 120 social housing units in Southampton.

Southampton, Hampshire Social housing estate (120 units)

Annual Savings

£1,200

Bill Reduction

43%

CO₂ Saved

74.0t

Impact

Major

" The tenants are delighted. Warmer homes and lower bills have made a real difference. "

Property Details

Property Type
Social housing estate (120 units)
Location
Southampton, Hampshire

Services Installed

SolarHeat PumpInsulation

System Specifications

Solar Capacity3.6 kW
Number of Panels10 panels

Project Overview

Working with the housing association under the SHDF scheme, CRG Direct was appointed to deliver a comprehensive energy efficiency programme across 120 social housing units in Southampton.

Technologies Deployed

Each property received a tailored package including:

  • Solar PV panels (3.6kW average per unit)
  • Air source heat pumps
  • Enhanced loft and cavity wall insulation
  • Smart heating controls
  • Measurable Outcomes

    Across the estate, results have been significant:

  • Energy consumption dropped by 45%
  • Carbon emissions reduced by 74%
  • Average annual savings of £1,200 per household
  • EPC ratings improved from D/E to B/C across the estate

Tenant Feedback

Tenants have reported warmer homes, lower bills, and improved comfort. The combination of insulation and heat pumps has been particularly effective at reducing fuel poverty across the estate.

Financial Summary

Previous Annual Bill

£2,800

Reduction

43%

New Annual Bill

£1,600

Annual Savings

£1,200

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