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Tim441
@tim441
Contributor
Prominent Member
Joined: Nov 1, 2022
Last seen: Oct 11, 2025
Topics: 28 / Replies: 325
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RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick I'm no expert... but believe your ASHP is incorrectly rated under all scenarios! Possibly they failed to find the make/model in their...

3 days ago
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RE: Octopus tariffs - a quick comparison

With automation suggestions. Needs checking  

5 days ago
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RE: Octopus tariffs - a quick comparison

@nickmorgan I don't know best options for your scenario. But you could try ChatGPT. It's usually a good starting point but does not always get things ...

5 days ago
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RE: Octopus tariffs - a quick comparison

@majordennisbloodnok automation may partly be dictated by the infrastructure? Make/model of ashp & inverter for starters?

5 days ago
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RE: Octopus tariffs - a quick comparison

@nickmorgan hopefully that's compatible with Intelligent Go. Should be easy to check. Come back if not. What rate can batteries be charged/discharge...

5 days ago
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RE: Octopus tariffs - a quick comparison

@nickmorgan what make/model charger & EV? What rate can batteries be charged/discharged at? If compatible I'd focus on Intelligent Go for impo...

5 days ago
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RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick good find Mike! Very much agree with your comments If the EPC is old it might be simpler to get a new one? Especially capturing lates...

7 days ago
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RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick maybe pickup this ChatGPT conversation and add more of your detailed setup etc. I used it for mine by uploading previous EPCs, det...

1 week ago
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RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick my understanding is that ashp should definitely be an improvement. But it maybe more than just a tickbox error. I think Assessors sho...

1 week ago
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RE: RDSAP10 effect on existing heat pump EPC rating?

How many times and dates have epc sap rules been changed? Key Changes to EPC Methodology 1. Introduction of SAP (Standard Ass...

2 weeks ago
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RE: RDSAP10 effect on existing heat pump EPC rating?

From my understanding.. The short version   Before June 2022 (SAP 2012 rules) → Heat pumps often hurt EPC scores compared to mains gas. ...

2 weeks ago
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