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Get started20 Lynden Avenue is a two-bedroom semi-detached house in Gonerby Hill Foot, Grantham, Grantham (NG31 8JW). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1967-1975 and council tax band B. Tenure is freehold. The latest certificate (February 2025) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2013); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 5.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£249/sq ft) was about 91.7% above the typical sold price in the postcode. Most recent transfer was July 2025 at £177,000 — fresh data.
Recommended upgrades on file would lift this property by multiple EPC bands.
Sale price has grown by over 3x since 1998.
£191,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 27 years.
£177,000
Growth on file: 5.2% per year over 27 years.
20 Lynden Avenue is notably below the street on years held.
Price per m²
£2,682
Street avg £2,082
Floor Area
66 m²
Street avg 76 m²
Habitable Rooms
3 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
45.8dB

Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 July 2025Most recent
£177,000
+68.6%over 11 years21 August 2013
£105,000
+133.3%over 15 years22 May 1998
£45,000
Median price across the last 5 sales in NG31 8JW: £185,000 (2024–2022).
4 Lynden Avenue Gonerby Hill Foot Grantham
Sold Aug 2024
41 Lynden Avenue Gonerby Hill Foot Grantham
Sold Apr 2024
31 Lynden Avenue Gonerby Hill Foot Grantham
Sold Mar 2024
12 Lynden Avenue Gonerby Hill Foot Grantham
Sold Jan 2024
3 Lynden Avenue Gonerby Hill Foot Grantham
Sold Nov 2022
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.5 t/year
NG31 8RU
Beaumont Drive — bus stop.
Closest school
0.6 km
The Gonerby Hill Foot Church of England Primary School. 17 schools nearby.
Night-time· 23:00 – 07:00
37.5dB
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