Hot&Cold.energy

We found your home

CALF LEE HOUSE, CALF LEE LANE

Detached154 m²EPC F30Electric1900–1929

Estimated boiler replacement

£1,900–£3,200

For a detached like yours · estimated installed cost

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Your options for this home

Boiler replacement

£1,900–£3,200

Estimated installed cost · 15.5–20 kW

  • Fuel confirmed on survey
  • Suitable for your home size
  • Combi or system options
See details
  • Preliminary heat requirement 15.5–20.0 kW from 154.0 m² and construction era 1900_1929.
  • Heating system type to be confirmed on survey.

New central heating

£5,020–£8,280

Complete system estimate · 14.5–18.5 kW

  • Boiler / heat source
  • Radiators (~14)
  • Pipework & controls
See details
  • A complete new system priced on ~14 radiators, pipework and a boiler.
  • Radiator count is indicative from floor area and confirmed on survey.

Home air conditioning

£3,800–£5,700

Multi-split system estimate · 4–6 kW · ~3 units

  • Approx. 3 indoor units
  • Heating & cooling
  • Professional installation
See details
  • Total floor area is not the same as conditioned area; this reflects the selected room scenario.

Heating & cooling profile

Based on this property's recorded characteristics, this 154m² detached home has a current EPC rating of F30 and its recorded heating. HotAndCold estimates a space-heating requirement of approximately 15.5–20.0kW. Its current energy rating indicates relatively weak energy performance compared with more efficient homes. Its modelled space-heating intensity per square metre is relatively high.

Estimated space-heating intensity
101130 W/m²
relatively highProperty data confidence: Good

Hot&Cold snapshot

Property size
Smaller
Energy efficiency
Lower
Heating intensity
Relatively high
Improvement potential
High
Main heating fuel
Non-gas
Cooling requirement
Medium

What stands out about this home

High recorded EPC improvement potential
Lower energy efficiency than nearby EPC-recorded homes
Relatively high modelled heating demand per m²
Possible wall-insulation opportunity

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

154 m²
Floor area
+
detached
Property type
+
EPC F30
Energy rating
Hot&Cold property model
15.5–20 kW
Estimated heating requirement for this property

What we found about your home

Property type
Detached
Floor area
154 m²
Energy rating
EPC F30
Main heating fuel
Electric
Approx. age
1900–1929
Location
TODMORDEN, Calderdale

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 8 EPC-recorded properties nearby.

Floor area
-10%
10% smaller than the local median
EPC rating
-32
32 EPC points below the local median
Mains gas
0%
0% of nearby EPC-recorded homes use mains gas
Property type
38%
this property type is 38% of nearby recorded homes

Building

Built form
Detached
Internal area (EPC)
154 m²
Building footprint
~113 m²
Approx. dimensions
~14.1 × 8.0 m
Main building axis
NW–SE
Estimated floors
1
Nearest building
9.9 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
Sandstone or limestone, as built, no insulation (assumed)
Roof
Pitched, 150 mm loft insulation
Windows
Fully double glazed
Main heating
Room heaters, electric
Heating controls
Programmer and appliance thermostats
Hot water
Electric immersion, standard tariff
Floor
Solid, no insulation (assumed)

Energy improvement potential

Current
F30
Potential
A93
+63
High 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 CALF LEE HOUSE, CALF LEE LANE, WALSDEN, TODMORDEN, OL14 6XB.

  1. 1
    High heat retention storage heaters and dual immersion cylinderIndicative cost: £2,800 - £4,200

    Modern storage heaters are less expensive to run than the direct acting, on-peak heating system in the property. A dual-rate electricity supply is required to provide the off-peak electricity that these heaters use; this is easily obtained by contacting the energy supplier. Ask for a quotation for high heat retention heaters with automatic charge and output controls. A dual-immersion cylinder, which can be installed at the same time, will provide cheaper hot water than the system currently installed. As installations should be in accordance with the national wiring standards, only a qualified electrician should carry out the installation. Ask a qualified electrical heating engineer to explain the options, which might also include switching to other forms of electric heating.

  2. 2
    50 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).

  3. 3
    Floor insulation (solid floor)Indicative cost: £4,000 - £6,000

    Insulation of a floor will significantly reduce heat loss; this will improve levels of comfort, reduce energy use and lower fuel bills. Further information about floor insulation is available from many sources including www.energysavingtrust.org.uk/northernireland/Insulation/Floor-insulation.

  4. 4
    Wind turbineIndicative cost: £15,000 - £25,000

    A wind turbine provides electricity from wind energy. This electricity is used throughout the home in the same way as the electricity purchased from an energy supplier. The British Wind Energy Association has up-to-date information on suppliers of small-scale wind systems. Wind turbines are not suitable for all properties. The system’s effectiveness depends on local wind speeds and the presence of nearby obstructions, and a site survey should be undertaken by an accredited installer.

  5. 5
    Solar water heatingIndicative cost: £4,000 - £6,000

    A solar water heating panel, usually fixed to the roof, uses the sun to pre-heat the hot water supply. This will significantly reduce the demand on the heating system to provide hot water and hence save fuel and money. The Solar Trade Association has up-to-date information on local installers.

  6. 6
    Solar photovoltaic panels, 2.5 kWpIndicative cost: £3,500 - £5,500

    A solar PV system is one which converts light directly into electricity via panels placed on the roof with no waste and no emissions. This electricity is used throughout the home in the same way as the electricity purchased from an energy supplier. The British Photovoltaic Association has up-to-date information on local installers who are qualified electricians. It is best to obtain advice from a qualified electrician. Ask the electrician to explain the options.

Source: the property’s domestic EPC recommendations (open data). Indicative only, get a professional survey before committing to any measure.

Energy rating history

Recorded change: -35 EPC points across 2 certificates.

  1. 2012D65
  2. 2023F30
A
B
C
D
E
F
G
Current: F30Potential: A93

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 15.5–20 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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