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British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt

 
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Air Source Heat Pumps (ASHPs)
Last Post by ASHP-BOBBA 2 months ago
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4686
Topic starter 15/12/2025 10:45 am  

@jamespawhite, if you could be bothered, you could also get a quote from OVO.

 

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Batpred
 Batpred
(@batpred)
Noble Member Member
Joined: 1 year ago
Posts: 955
13/04/2026 12:41 pm  

Posted by: @editor
↑

@stevettweed, and can you please get one from OVO?

This is what I got from OVO. At least it was quick..

Price guide for a 4-bedroom home

A heat pump and installation could cost between: £11,500 and £16,500
This is a guide price after the £7,500 government grant* is applied.

 

 


8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; G99: 8kw export; 16kWh Seplos Fogstar battery; Ohme Home Pro EV charger; 100Amp head, HA lab on mini PC


   
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Batpred
 Batpred
(@batpred)
Noble Member Member
Joined: 1 year ago
Posts: 955
16/04/2026 5:40 pm  

Posted by: @jwhite
↑

British Gas 50* design temp

  • Don’t recall scops but likely close to 400%
  • Replace 7 rads
  • 200l Valiant standard tank
  • 5kw Valiant HP
  • Costs 9k

Seems like BG is having a covid epidemic atm, 4 attempts so far for our initial appointment! I am hoping our install will be lower disrupt..  

As it is just getting the boiler out, fitting a hot water tank and pressure vessels. Install the heatpump. Runs for pipes and cable all outdoors. Simple electrics.. Perhaps replace one rad. 

We have not embarked in the survey phase, we are still working to get into sensible estimate territory. Some folk are asking for over £400 for a survey! 

 


8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; G99: 8kw export; 16kWh Seplos Fogstar battery; Ohme Home Pro EV charger; 100Amp head, HA lab on mini PC


   
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1
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 ASHP-BOBBA
(@ashp-bobba)
Prominent Member Member Professional Installer
Joined: 1 year ago
Posts: 489
16/04/2026 9:01 pm  

Posted by: @batpred
↑

Posted by: @jwhite
↑

British Gas 50* design temp

  • Don’t recall scops but likely close to 400%
  • Replace 7 rads
  • 200l Valiant standard tank
  • 5kw Valiant HP
  • Costs 9k

Seems like BG is having a covid epidemic atm, 4 attempts so far for our initial appointment! I am hoping our install will be lower disrupt..  

As it is just getting the boiler out, fitting a hot water tank and pressure vessels. Install the heatpump. Runs for pipes and cable all outdoors. Simple electrics.. Perhaps replace one rad. 

We have not embarked in the survey phase, we are still working to get into sensible estimate territory. Some folk are asking for over £400 for a survey! 

 

 

£300 is average as it takes half a day and travel.

 


AAC Group Ltd covering the Kent Area for design, supply and installation of ASHP systems, service and maintenance, diagnostics and repairs.
Professional installer. Book a one-to-one consultation for pre- and post-installation advice, troubleshooting and system optimisation.


   
ReplyQuote
 ASHP-BOBBA
(@ashp-bobba)
Prominent Member Member Professional Installer
Joined: 1 year ago
Posts: 489
16/04/2026 9:02 pm  

Posted by: @batpred
↑

Posted by: @editor
↑

@stevettweed, and can you please get one from OVO?

This is what I got from OVO. At least it was quick..

Price guide for a 4-bedroom home

A heat pump and installation could cost between: £11,500 and £16,500
This is a guide price after the £7,500 government grant* is applied.

 

 

Oh My, average installation is 15k inc Grant so £7500 to pay not 11.5-16.5 to pay.

 


AAC Group Ltd covering the Kent Area for design, supply and installation of ASHP systems, service and maintenance, diagnostics and repairs.
Professional installer. Book a one-to-one consultation for pre- and post-installation advice, troubleshooting and system optimisation.


   
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1
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