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Get started21 Thorndon Avenue, West Horndon, Brentwood, CM13 3TT
2 planning records
About 21 Thorndon Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Thorndon Avenue is a four-bedroom semi-detached house in West Horndon, Brentwood, Brentwood (CM13 3TT). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2016) shows an F (score 22), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 67), a 2-band jump. The latest certificate is from January 2016, so improvements made since then won't be reflected. Other recorded features include a basement.
Sale prices here have outpaced Brentwood HPI: 1.1% per year against 0% for the wider region. Today's modelled estimate of £706,000 is 31.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£631/sq ft) was about 126.3% above the typical sold price in the postcode. At 79 m² it's 25.5% smaller than the typical home in the postcode (106 m² median across 33 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: January 2020 at £536,260.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Thorndon Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Jan 2026
Planning history
Applications and permits filed against 21 Thorndon Avenue, West Horndon, Brentwood, CM13 3TT, sourced from the PlanIt planning register.
21 Thorndon Avenue has an approved single-storey rear extension on the planning record.
- Aug 2016FullGranted
Construction of front dormer windows, hip to gable roof enlargement, rear dormer window.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
Current estimate
See how we calculated this£706,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.1% per year over 3 years.
Last sold (2020)
£536,260
Growth on file: 1.1% per year over 3 years.
Sales timeline
Versus other Thorndon Avenue homes
Four headline reads against 33 similar houses on this street, drawn from the latest EPC and Land Registry data.
Price per m² for 21 Thorndon Avenue runs comfortably ahead of the street norm.
Price per m²
£6,788
Street avg £3,933
Floor Area
79 m²
Street avg 118 m²
Habitable Rooms
4 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Brentwood district page.
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.7 km
Clavering Gardens — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around CM13 3TT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.5dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 17 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Thorndon Avenue, West Horndon, Brentwood, CM13 3TT. Each answer is also embedded as structured data for search engines.