Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started12 Gypsy Lane is a detached house in Great Amwell, Ware, Ware (SG12 9RN). It has a recorded floor area of 203 m² (around 2185 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (September 2024) shows a C (score 78), near the top of the C band. When first surveyed in February 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Poor to Good and lighting went from Good to Very Good. The recommended improvements would push it to B (score 84).
Sale prices here have outpaced England HPI: 1.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£481/sq ft) was about 92% above the typical sold price in the postcode. A recent sale: £1,050,000 in June 2025. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved.
Extension: Single storey · Rear of property
Single storey rear extension and first floor rear extension over existing single storey projection
12 Gypsy Lane valuation sits well clear of the typical sold price in this postcode.
£1,099,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 22 years.
£1,050,000
Growth on file: 1.9% per year over 22 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
12 Gypsy Lane is notably below the street on years held.
Price per m²
£5,172
Street avg £3,466
Floor Area
203 m²
Street avg 227 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Amwell Roundabout — bus stop.

Daytime· 07:00 – 23:00
59.4dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
13 June 2025Most recent
£1,050,000
+52.4%over 21 years30 June 2003
£689,000
Median price across the last 5 sales in SG12 9RN: £1,075,000 (2019–2014).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
Ad-free · Instant access · Secure Stripe checkout · One-off payment
CO₂ Emissions
4.4 t/year
Street avg 7.3 t/year
Closest school
0.7 km
St John the Baptist Voluntary Aided Church of England Primary School. 13 schools nearby.
Night-time· 23:00 – 07:00
52.1dB