Decorative gas/ethanol fires - KBCN1301
Although fires may be decorative, if they are permanent features of the home that burn fuel to produce heat, they will have an impact on local air quality. They should be assessed in the Impact on Local Air Quality issue.
30-Oct-2025 - Applicable to HQM V6 and UKNCR V6.1
Oil-fired boilers benchmarks - KBCN1293
It has come to our attention that there is an error in Table 35, relating to the NOx emission benchmarks for oil-fired boilers. The table below confirms the correct benchmarks.
| Appliance type and unit |
Fuel |
7 credits (Low pollution location) |
7 credits (High pollution location) |
10 credits (Low pollution location) |
10 credits (High pollution location) |
| Boiler (mg/kWh) |
Oil |
56 73 |
56 |
55 67 |
50 |
30-Oct-2025 - Applicable to HQM V6 and UKNCR V6.1
This will be confirmed in the next update of the technical manual, but can be applied immediately to HQM ONE projects.
Information correct as of 26