About Welwyn
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Only about 2% of homes in England and Wales are for sale at any one time
We opened up 14.4 million of the rest. There are 3,037 more in Welwyn behind a free account.
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Housing stock & energy efficiency in Welwyn
1,786 properties in Welwyn hold an energy performance certificate; the most common rating is band D; the average floor area is 151 square metres.
Energy ratings (EPC)
Based on 1,786 certificated properties · average floor area 151 m² · modelled energy cost £110/month (EPC methodology)
Property types & typical values
- Detached1,598 properties£1,377,150
- Semi-detached532 properties£831,318
- Terraced340 properties£724,647
- Flat / maisonette237 properties£496,498
Market estimates use Land Registry sold prices and growth rates applied by our model · updated 2026-09-23
Common questions about Welwyn
What is the average house price in Welwyn?
The average estimated property value in Welwyn is £1,110,823, based on Land Registry sold prices and growth rates applied by our model (as of 2026-09-23).
What is the most common EPC rating in Welwyn?
The most common energy rating in Welwyn is band D, across 1,786 certificated properties. The average modelled energy cost is £110 per month (EPC methodology).
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Get my market estimateMarket data updated September 2026