SuperHome Database

Hull, Inglemire Avenue

House Summary

Richard Howarth

House Type:
1930s end of terrace, 3 bedrooms, 2 floors

Carbon saving:
61% - SuperHomes Assessed  

Reported saving on bills:

Total invested:

  • Inglehome superhome air source heat pump
  • Inglehome superhome solar thermal
  • Inglehome superhome before
  • Inglehome superhome after
  • heat pump_wood store_pv
  • Hull – SH – EcoDan Dimplex
  • Hull – SH – Heat Pump 2
  • New externall wall

Measures installed:

  • Cavity Wall Insulation
  • Draught-proofing
  • External Wall Insulation
  • Floor Insulation
  • Heat Pump (Air Source)
  • Heat Recovery Unit
  • Internal Wall Insulation
  • Low Energy Appliances
  • Low Energy Lighting
  • Roof Insulation
  • Solar PV Panels
  • Solar Water Heating
  • Water Saving Devices
  • Wood Stove

Upcoming events

Early interest in Open Days encourages SuperHome owners to host more events. If you'd like to visit this property please contact the owner and let them know. SuperHomers are often happy to respond to questions about their refurbishment project by email between times. Please read ‘more on contacting this SuperHomer’ before you make contact.

What visitors are saying

“Friendly & explains everything clearly.
Useful to be able to follow up all info on the website – thank you.”

“Very interesting visit, will implement some of the ideas I saw.”

“Well organised, knowledgeable, great advice, highly recommend.”

Personal story:

Next Open Day: Sunday 16th Sept 2018

Book a Tour at

This is the tale of Inglehome, how we transformed a typically cold, draughty Hull terraced into a cosy, low energy Superhome, with zero net bills and greenhouse gas emissions.

We moved to the property in 2012 with the express aim of taking an older, inefficient house, and raising it to a decent standard of comfort and energy efficiency.


We wanted to live in a comfortable, healthy and beautiful home, having been sick of living in damp, mouldy, and wasteful properties.

We wanted to use natural materials, reuse wherever possible, and reduce waste, whilst avoiding toxic and energy intensive materials.

But most of all we wanted to reduce greenhouse gas emissions. We must keep global warming below 1.5˚C, or even 1˚C, to avoid climate catastrophe, yet we’re currently on course for more like 4 or 5˚C. This means increased extreme weather events (droughts and floods), rising sea levels, and having to relocate large parts of Hull, London, New York, and large areas of south east Asia, within a few decades. Climate change is already estimated to be killing 400,000 people a year and climate refugees are predicted to reach hundreds of millions by mid-century. How will the world economy and political systems cope?

It doesn’t have to be like this. Every tonne of carbon dioxide saved reduces the severity of the crisis. So I took direct action on our own house.

Visiting Superhomes and learning from them was invaluable for me; so now, as the 1st Superhome in East Yorkshire, I’m delighted to share what I’ve learnt, for the interest and benefit of others.

Also see:
Property background:

The house was a fairly typical Hull terraced built in 1932.
It has solid brick walls, was very draughty and in Winter got very cold only an hour after the heating went off. The heating was provided by an inefficient vintage gas boiler.

Heating bills would have been about £1,500 a year.
We now receive about that much for generating renewable energy, so are saving around £3,000 a year.

You can read the full tale on

Key changes made:

Most of the changes and savings have come from insulation, and more insulation.
The greatest heat loss was through the solid brick walls, and insulating these is the greatest single saving. Roof insulation was also significantly increased.

Careful attention was also paid to draught proofing throughout the insulation works, especially under the downstairs floorboards, where we used to feel cold air blowing between our toes. Also around window frames, chimneys and penetrations into the roof space were sealed.

As air tightness is improved it is important to provide controlled ventilation, so we put an extractor fan with heat recovery in the bathroom. This removes stale, damp air while keeping most of the heat.

After demand had been reduced as far as possible, we then considered renewables to help meet our remaining energy needs- Solar PV for electricity and Solar Thermal to provide hot water.

Our old gas boilers were replaced with a Heat Pump. It’s powered by electricity but for every unit it consumes it extracts 3 units of renewable heat from the outside air.
In our well insulated home it already emits less CO2 pollution than a modern gas boiler. As more renewables supply UK mains electricity, the associated CO2 emissions will drop, leading to greater savings in the future.

Measures installed in detail:

  • Double Glazing throughout – already installed when we moved in
  • Internal Wall Insulation (front & rear, to preserve brick appearance of terrace) with natural materials – woodfibre boards with lime plaster (Hofatex). 100mm, with 40mm on window reveals and solid wall returns improving the U-value from 1.85 to 0.36
  • External Wall insulation (end wall) 140mm thick EPS + render, improving the U-value from 1.85 to 0.2
  • Roof Insulation – increased from 100mm to 300mm
  • Floor Insulation – 200mm recycled newspaper loose fill (Warmcel)
  • Cavity Wall Insulation (partially insulated walls of the rear extension)- hard to treat narrow cavity filled with polystyrene beads. U-value improved from 0.7 to 0.3
  • Air Source Heat Pump – 8.5kW (Mitshubishi Ecodan)
  • Wood Burning Stove – 5kW (Clearview Pioneer 400)
  • Draught Proofing – eg; plastic sheeting under groundfloor floorboards
  • Extractor Fan with Heat Recovery (Vent-Axia Lo-Carbon)
  • Solar PV – 14 panels (3.43kWp) across 3 roof faces with Micro Invertors. Estimated annual generation 2600kWh
  • Solar Thermal – 12 evacuated tubes, estimated annual yield 1300kWh
  • Low flow shower head – manufacturers claimed saving £170 a year (Pulse Eco Shower)
  • Low Energy Lighting – eg; 8W LED lighbulbs
  • Low Energy Appliances
  • High Performance Doors – timber, double glazed, draught proofed keyholes, insulated panels. U-value 1.6 (Howarth Timber & Doors)
  • Skylight – an existing skylight in the roof tiles and a glazed loft hatch provide natural light to the otherwise dark landing
  • Radiator reflector – behind a radiator on an external wall
Benefits of work carried out:

A cold, draughty house has been totally transformed into a cosy, warm Superhome.
It’s now a comfortable temperature 24 hours a day.

And we’re saving around £3,000 a year.

Our energy bills used to be around £1,500 a year, and this has been reduced to ~£300.
We’re paid £1,750 a year for generating renewable energy- electricity and heat.

But most importantly of all, our net greenhouse gas emissions have been reduced towards zero.

We still consume electricity in winter, when the heat pump is powering the heating and hot water; but in summer our solar PV exports electricity. So overall, we’re close to net zero emissions.


Project update:

Next Open Day: Sunday 16th Sept 2018

Book a Tour at

Updated on 17/08/2018

Contact this homeowner

Assessment types

SuperHomes Assessed

A home that has been visited and assessed by us and confirmed as reaching the SuperHome standard, which demonstrates a 60% carbon saving.

Homeowner Reported

Information has been provided by the homeowner about their home and energy use prior to the installation of measures and following their installation which demonstrates a carbon saving. This information has not been verified.

Remote Assessed

The homeowner has provided information on their home including what measures have been installed which has enables an assessor working on our behalf to assess their carbon savings. This home has not been visited to verify the measures installed.


This home has not been assessed, but the homeowner has reported what measures have been installed. It may be that this home is awaiting assessment.