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Get started3 Boundary House is a mid-terrace house in Welwyn Garden City (AL7 4EH). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 1900-1929 and council tax band A. At 32 m² this is the smallest unit on EPC record across 3 Boundary House (32–32 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2025) shows a C (score 75), near the top of the C band. When first surveyed in February 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 83). Main heating runs on electricity.
3 Boundary House's carbon output is low for the local stock.
3 Boundary House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£151,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
EPC Rating
75 (C)
Street avg 74 (C)
Floor Area
32 m²
Street avg 32 m²
CO₂ Emissions
0.6 t/year
Street avg 0.8 t/year
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Boundary Lane — bus stop.
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Hot water efficiency decreased
Low energy lighting percentage decreased
Hot water efficiency improved
High performance glazing installed
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Habitable Rooms
1 rooms
Street avg 1 rooms
Closest school
0.4 km
Creswick Academy. 18 schools nearby.