Boiler, Loft Insulation, Extract Fans & Heating Controls Upgrade
This mid‑terrace home on Wynall Lane, Wollescote (DY9) sits within Dudley Borough Council and was struggling with an EPC rating of E, rising energy bills and poor indoor comfort. Thin, patchy loft insulation, an 18‑year‑old Worcester 28i Junior boiler and basic controls meant significant heat loss and inefficient heating, while limited ventilation contributed to condensation and stuffy rooms. Simple Green Energy installed 300 mm loft insulation, a new Worcester Greenstar 1000 30CNG boiler, extractor fans and upgraded heating controls, delivering a warmer, healthier and more efficient home for the occupants.
Start your home upgrade today →
Answer a few quick questions to get a tailored boiler, insulation, extractor fan and heating controls assessment for your home.
Financial Impact
Building Performance
- Property Address Wynall Lane, Wollescote, Stourbridge, DY9
- Local Authority Dudley Metropolitan Borough Council
- Pre-Upgrade Loft Insulation 0 mm effective loft insulation (thin, patchy coverage)
- Post-Upgrade Loft Depth Approx. 300 mm mineral wool loft insulation
- Heating System Improvement 18-year-old Worcester 28i Junior boiler replaced with Worcester Greenstar 1000 30CNG and modern heating controls
Comfort & Air Quality
- Heating Controls Upgrade Time and temperature controls improve comfort and reduce wasted heating
- Extractor Fans Installed New extract fans in key wet rooms to remove moisture at source
- Indoor Air Quality Benefits Improved ventilation helps reduce condensation, mould risk and stuffy conditions
- Thermal Comfort Better loft insulation and efficient boiler output result in more even temperatures throughout the home
The Project
Customer Background
A homeowner on Wynall Lane in Wollescote was living in a cold, hard‑to‑heat mid‑terrace with an E‑rated EPC, rising gas and electricity bills and uncomfortable cold spots in key rooms. The loft had virtually no effective insulation, the 18‑year‑old Worcester 28i Junior boiler and basic controls struggled to heat the home efficiently, and limited ventilation contributed to condensation and poor indoor air quality. The family wanted a long‑term solution to reduce bills, improve comfort and protect their health in a property with clear scope for fabric and heating system upgrades.
Project Goals
- Lift the EPC rating and reduce running costs for an E‑rated mid‑terrace.
- Cut unwanted heat loss through the loft and improve whole‑house comfort.
- Replace the ageing boiler and optimise the heating system with modern controls.
- Improve ventilation to manage moisture and air quality after insulation upgrades.
Location Details
- Street & Area: Wynall Lane, Wollescote, Stourbridge, DY9
- Local Authority: Dudley Metropolitan Borough Council
- Ward: Cradley & Wollescote (Dudley)
- Pre-Upgrade Rating: EPC band E with clear scope to improve fabric and systems
- Main Issues: 0 mm effective loft insulation, inefficient boiler, poor controls and limited ventilation
- Property Type: Mid-terrace home with high heating demand and rising energy costs
The Solution
Simple Green Energy designed a coordinated retrofit package combining loft insulation, a new Worcester Greenstar 1000 30CNG boiler, upgraded heating controls and new extractor fans. Together these measures reduce heat loss, improve system efficiency, maintain healthy indoor air quality and make the home significantly more comfortable and affordable to run.
| Loft Insulation Upgrade | The loft, previously offering effectively 0 mm of useful insulation, was upgraded to around 300 mm of mineral wool. This sharply reduces heat escaping through the roof, cuts heating demand and supports a higher EPC rating. |
|---|---|
| Boiler Replacement | The 18‑year‑old Worcester 28i Junior boiler was replaced with a highly efficient Worcester Greenstar 1000 30CNG, providing more reliable heat output, improved efficiency and quieter operation, while preparing the system for modern controls. |
| Heating Controls Upgrade | New time and temperature controls were installed to give the household better day‑to‑day control over when the heating runs and how warm each area needs to be, reducing wasted energy and helping to keep the property at a steady, comfortable temperature. |
| Extractor Fans & Ventilation | New extractor fans were fitted in key moisture‑producing rooms to maintain healthy airflow and protect indoor air quality, ensuring that the tighter, better‑insulated building fabric does not lead to condensation or damp issues. |
| Installation Approach | Works were sequenced to minimise disruption: loft and ventilation checks were completed first, followed by insulation and fan installation, then boiler replacement, system balancing, control commissioning and final handover to the customer. |
| Materials & Equipment | High‑performance mineral wool loft roll, a Worcester Greenstar 1000 30CNG boiler, efficient extractor fans and modern heating controls were selected to provide strong thermal performance, reliable operation and long‑term comfort for the occupants. |
How it works together: The upgraded loft insulation keeps more heat inside the mid‑terrace, the new Worcester Greenstar 1000 30CNG boiler and modern controls deliver that heat more efficiently where and when it is needed, and the new extractor fans help manage moisture and indoor air quality – all working together so the home is warmer, healthier and cheaper to run.
Bill Comparison
*Estimates based on an E‑rated mid‑terrace on Wynall Lane, Wollescote with loft insulation, boiler replacement, extractor fans and heating controls, using typical UK energy prices for similar properties. Actual savings will vary with tariffs, occupancy and future energy costs.
"We noticed the difference almost straight away. The house feels warmer, the boiler is quieter and more responsive, and the new controls make it easy to keep each room comfortable. The extractor fans have helped with condensation too, so the home feels fresher and we're less worried about damp or mould.
Ready to Upgrade Your Home?
Discover how a new boiler, loft insulation, extractor fans and heating controls could cut your bills, improve comfort and support better health in your home.
Get Your Free Assessment
