We found your home
FLAT B, 21 WILTON ROAD
Estimated boiler replacement
£1,900–£3,200
For a flat like yours · estimated installed cost
Your options for this home
Boiler replacement
Estimated installed cost · 4.5–6 kW
- Existing mains gas
- Suitable for your home size
- Combi or system options
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- • Preliminary heat requirement 4.5–6.0 kW from 50.0 m² and construction era 1900_1929.
- • Existing wet central heating assumed where mains gas is present.
New central heating
Complete system estimate · 4–5 kW
- Boiler / heat source
- Radiators (~5)
- Pipework & controls
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- • A complete new system priced on ~5 radiators, pipework and a boiler.
- • Radiator count is indicative from floor area and confirmed on survey.
Home air conditioning
Multi-split system estimate · 4–6 kW · ~3 units
- Approx. 3 indoor units
- Heating & cooling
- Professional installation
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- • Total floor area is not the same as conditioned area; this reflects the selected room scenario.
Heating & cooling profile
From the available property and energy data, this 50m² flat has a current EPC rating of D66 and mains-gas heating. HotAndCold estimates a space-heating requirement of approximately 4.5–6.0kW. The recorded EPC score places this home in the middle of the efficiency range. The estimated heat demand per square metre is towards the higher end.
Hot&Cold snapshot
What stands out about this home
Why this estimate?
We calculate estimates using your property's size, type, age, heating fuel and EPC rating, along with typical installation costs — not a professional heat-loss survey.
How we calculated this
What we found about your home
- Property type
- Flat
- Floor area
- 50 m²
- Energy rating
- EPC D66
- Main heating fuel
- Mains gas
- Approx. age
- 1900–1929
- Location
- MANCHESTER, Manchester
We use publicly available data and industry models to generate this estimate. A final survey by an installer may vary.
How this home compares locally
Based on 10 EPC-recorded properties nearby.
Building
- Built form
- Flat
- Internal area (EPC)
- 50 m²
- Building footprint
- ~341 m²
- Approx. dimensions
- ~23.8 × 14.6 m
- Main building axis
- NE–SW
- Estimated floors
- 2
- Nearest building
- 11.5 m
Footprint & dimensions derived from Overture Maps building data (ODbL). Approximate, not survey-grade.
How this home is constructed & heated
Recorded on its Energy Performance Certificate.
- Walls
- Solid brick, as built, no insulation (assumed)
- Roof
- Pitched, 250 mm loft insulation
- Windows
- Fully double glazed
- Main heating
- Boiler and radiators, mains gas
- Heating controls
- Programmer and room thermostat
- Hot water
- From main system
- Floor
- (another dwelling below)
Energy improvement potential
Recommended improvements for this property
Measures from this home’s official Energy Performance Certificate assessment that could raise its rating and cut running costs, specific to FLAT B, 21 WILTON ROAD, CHORLTON, MANCHESTER, M21 9GS.
- 1Cavity wall insulationIndicative cost: £500 - £1,500
Cavity wall insulation, to fill the gap between the inner and outer layers of external walls with an insulating material, reduces heat loss; this will improve levels of comfort, reduce energy use and lower fuel bills. The insulation material is pumped into the gap through small holes that are drilled into the outer walls, and the holes are made good afterwards. As specialist machinery is used to fill the cavity, a professional installation company should carry out this work, and they should carry out a thorough survey before commencing work to ensure that this type of insulation is suitable for this home. They should also provide a guarantee for the work and handle any building control issues. Further information about cavity wall insulation and details of local installers can be obtained from the National Insulation Association (www.nationalinsulationassociation.org.uk).
- 250 mm internal or external wall insulationIndicative cost: £4,000 - £14,000
Solid wall insulation involves adding a layer of insulation to either the inside or the outside surface of the external walls, which reduces heat loss and lowers fuel bills. As it is more expensive than cavity wall insulation it is only recommended for walls without a cavity, or where for technical reasons a cavity cannot be filled. Internal insulation, known as dry-lining, is where a layer of insulation is fixed to the inside surface of external walls; this type of insulation is best applied when rooms require redecorating and can be installed by a competent DIY enthusiast. External solid wall insulation is the application of an insulant and a weather-protective finish to the outside of the wall. This may improve the look of the home, particularly where existing brickwork or rendering is poor, and will provide long-lasting weather protection. Further information can be obtained from the National Insulation Association (www.nationalinsulationassociation.org.uk).
Source: the property’s domestic EPC recommendations (open data). Indicative only — get a professional survey before committing to any measure.
Common questions
How much does a replacement boiler cost for a property like this?+
For this property we estimate an installed cost of £1,900–£3,200. This is indicative and based on the property's size, type and energy characteristics — your final price depends on equipment choice and an installer survey.
What size boiler might this property need?+
Our preliminary model estimates a heat requirement of around 4.5–6 kW. An installer confirms exact sizing on a heat-loss assessment.
How much would air conditioning cost here?+
A multi-split installation is estimated at £3,800–£5,700, depending on how many rooms you want to cool (around 3 indoor units in a typical layout).
Are these guaranteed prices?+
No — they are indicative estimates to help you understand likely costs before speaking to an installer. Your final price depends on equipment choice, installation complexity and a survey.
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