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Get started21a is a four-bedroom semi-detached house in Alderton, Tewkesbury, Tewkesbury (GL20 8NL). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (June 2015) shows a C (score 69), just inside the C band. The recommended improvements would lift it to A (score 97), a 2-band jump. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced Tewkesbury HPI: 6.3% per year against 0% for the wider region. Today's modelled estimate of £381,000 is 19.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£208/sq ft) was about 22.5% below the postcode norm. One planning record on file: a loft conversion approved in 2019. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 143 m² it's 19.7% larger than the typical home in the postcode (120 m² median across 40 EPCs). 8 years since the last transfer (April 2018).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 27 Jun 2025
Installation of dormer windows and external flue to rear and velux windows to front elevation.
Sale price has at least doubled since 2002.
£381,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 16 years.
£320,000
Growth on file: 6.3% per year over 16 years.
On price per m², 21a runs well behind the street norm.
Price per m²
£2,238
Street avg £3,147
Floor Area
143 m²
Street avg 127 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km

Daytime· 07:00 – 23:00
43.6dB

12 April 2018Most recent
£320,000
+3.2%over 11 years30 March 2007
£310,000
+160.5%over 5 years31 January 2002
£119,000
Median price across the last 5 sales in GL20 8NL: £542,000 (2025–2024).
CO₂ Emissions
4.7 t/year
Street avg 3.8 t/year
GL20 8RZ
Gardeners Arms — bus stop.
Closest school
0.3 km
Oak Hill Church of England Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
36.4dB
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