If you are not sure which gas fire you require please take a look at our Gas Fires Help & Advice section.

The following gas fires are suitable for installation in a Class 1 chimney flue and include slimline gas fires, deepline gas fires, inset gas fires, outset gas fires and gas wall fires. Class 1 flues have a diameter of 7" or more, and are most often found in houses built before 1930 with brick chimneys. Fireplaces Are Us have a wide selection of gas fires for Class 1 chimneys in both traditional and contemporary styles. Please consult your gas fitter before purchase and visit our Help & Advice section.

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  1. Be Modern Design

    Be Modern Design Fascia Gas Fire

    £369.00

    The Be Modern Design gas fire The Be Modern Design Fascia fire This gas fire is suitable to Features Range of heat output from Choice of fret and frame finishes Slimline, Deepline, High Efficiency and Balanced Natural gas Open or glass fronted Manual or Smartslide controls  ...

  2. Black/ Chrome Axton Fret with Brushed Steel Classic Fire

    Be Modern Classic Gas Fire with Axton Fret

    £438.00

    The Be Modern Classic gas fire This plethora of choice means that Features Range of heat output from Choice of fret and frame finishes Slimline, Deepline, High Efficiency and Balanced Natural gas Open or glass fronted Manual or smartslide controls  ...

  3. Classic Brushed Steel and Black/Chrome Fret

    Be Modern Classic Gas Fire with Maisie Fret

    £438.00

    The Be Modern Classic gas fire If you prefer the traditional open Features Range of heat output from Choice of fret and frame finishes Slimline, Deepline, High Efficiency and Balanced Natural gas Open or glass fronted Manual or smartslide controls  ...

  4. Be Modern Abbey Inset Gas Fire

    Be Modern Abbey Inset Gas Fire

    £459.00

    The Be Modern Abbey Inset Gas The Be Modern Abbey inset gas Features Maximum heat output: Slimline 3 Manual rotary control Coal fuel effect Suitable for Class 1 chimneys, Class  ...

  5. Brushed Finished 4 Sided Trim

    Crystal Gem Royale Hole in the Wall Gas Fire

    £519.00

    The Crystal Royale Hole in the Features Heat output of 4.2kW Suitable for class 1 & class Gas Input 6.9KW 5 Year Options Black, bronze, chrome, brushed or Choice of coal or pebble fuel Available with manual or remote control    ...

  6. Crystal Montana Royale Coal Effect

    Crystal Montana Royale HE Gas Fire

    £649.00

    The Crystal Montana HE Gas Fire Heat output of 4.2kW Suitable Glass fronted Gas Input 6.9KW 5 Year guarantee  Efficency rating ...

  7. Black Finish 4 Sided Trim

    Crystal Montana Royale HE Hole in the Wall Gas Fire

    £699.00

    The Crystal Royale HE Hole in Heat output of 4.2kW Suitable Glass fronted Gas Input 6.9KW 5 Year guarantee  Efficency rating Options Black, bronze, chrome, brushed or Choice of coal, pebble or campfire Available with manual or remote control      ...

  8. Black with Logs

    Crystal Boston High Efficiency Hole in the Wall Gas Fire

    £929.00

    The Crystal Boston HE Hole in Features Heat output of 4.2kW 80% efficient Glass fronted Remote control Suitable for class 1 & class Gas Input 5.5kw 5 Year Options Finishes of black texture, bronze Log, driftwood or pebble fuel effect ...

  9. Black

    Crystal Manhattan High Efficiency Hole in the Wall Gas Fire

    £1,199.00

    The Crystal Manhattan HE Hole in Features Heat output of 4.2kW 80% efficient Glass fronted Remote control Suitable for class 1 & class Gas Input 5.5kw 5 Year Options Finishes of black texture, bronze Log, driftwood or pebble fuel effect ...

  10. Chrome Finish

    The Crystal Miami Hole in the Wall Gas Fire

    £1,199.00

    The Crystal Miami Hole in the Features Heat output of 4.2kW High efficiency Remote control Suitable for Glass Fronted 5 year guarantee  Gas Input - 5.5KW Options Finishes Choice of pebble, driftwood or log ...

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