EPC Ratings in Welwyn Hatfield
Parliamentary Constituency — 12,342 Energy Performance Certificates on record
12K
Certificates
12K
Properties
C (71)
Average Rating
£931
Avg Energy Cost/yr
EPC Rating
A92+
0.2%B81–91
16.3%C69–80
49.8%71
D55–68
28.0%E39–54
4.8%F21–38
0.8%G1–20
0.1%Welwyn Hatfield is 2.5 points better than the national average (D, 68.5/100).
71
Welwyn Hatfield
68.5
National average
82
Potential
Rating Distribution
A
280.2%
B2,009
16.3%
C6,144
49.8%
D3,454
28.0%
E
5974.8%
F
960.8%
G
140.1%
Average Annual Energy Costs
| Cost Type | Welwyn Hatfield | National Avg | Difference |
|---|---|---|---|
| Heating | £665/yr | £782/yr | ▼ £117 |
| Hot water | £172/yr | £184/yr | ▼ £12 |
| Lighting | £94/yr | £95/yr | ▼ £1 |
| Total | £931/yr | £1,061/yr | ▼ £130 |
Property Types
House
6,52352.9%
Flat
4,89439.7%
Bungalow
6305.1%
Maisonette
2922.4%
Park home
30.0%
Main Heating Fuel
Mains gas
9,88583.9%
Electric
1,71014.5%
Oil
1050.9%
LPG
460.4%
Other
360.3%
CO₂ Emissions
3 tonnes/yr
Current average
1.7 tonnes/yr
Potential
Average floor area: 83 m²
Construction Age
Pre-1900
166
1900–1929
347
1930–1949
995
1950–1966
3,186
1967–1975
1,258
1976–1982
628
1983–1990
1,023
1991–1995
455
1996–2002
556
2003–2006
1,062
2007–2011
604
2012+
1,650
Efficiency Trend Over Time
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Welwyn Hatfield has 12,342 Energy Performance Certificates on record, covering 12,045 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £931, comprising £665 for heating, £172 for hot water and £94 for lighting. Average CO₂ emissions are 3 tonnes per year.