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21 First Avenue, Billericay, Basildon, Essex, CM12 9PT

How much is 21 First Avenue, Billericay, Basildon, Essex, CM12 9PT worth?

Estimated value — November 2026

£772,000

Likely range £627,000 – £878,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale June 1998

66%

confidence

High

Typically within 8% of the sale price

Property details

Detached house

First Avenue · Billericay · CM12 9PT

148 m²1,593 sq ftFloor area
1950-1966Built
Mains gas boilerHeating

Energy performance

Current ratingC73
PotentialC79

Mains Gas (Not Community) · EPC 9536-3061-1204-4496-2204 · inspected April 2026

Address

District
Basildon
County
Essex
See house prices in CM12 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k£1m20002002200420062008201020122014201620182020202220242026£772,000

Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£200,604£173,376 – £231,230
2001£242,356£207,537 – £278,575
2002£305,049£258,893 – £351,451
2003£329,234£277,072 – £380,877
2004£353,661£295,604 – £409,095
2005£359,694£299,126 – £415,189
2006£376,293£311,178 – £434,116
2007£414,345£340,163 – £478,907
2008£361,461£294,709 – £418,536
2009£373,249£302,585 – £433,213
2010£386,717£312,945 – £450,009
2011£389,613£315,345 – £454,447
2012£396,720£320,980 – £464,644
2013£421,018£340,774 – £493,569
2014£472,640£420,637 – £510,656
2015£542,681£479,353 – £588,976
2016£618,063£541,817 – £673,802
2017£634,514£552,007 – £694,829
2018£645,181£556,985 – £709,656
2019£643,025£550,835 – £710,419
2020£689,739£586,253 – £765,391
2021£718,254£605,700 – £800,535
2022£779,804£652,405 – £872,937
2023£765,236£635,114 – £860,360
2024£753,559£620,398 – £850,905
2025£760,218£620,811 – £862,130
2026£772,000£627,000 – £878,000

Sale history

1998Sold
£149,000
2026Today — estimated
+418%£772,000

Mortgage calculator

£4,143

Estimated monthly repayment

£694,800

Loan amount

£796,813

Total interest

£1,491,613

Total repayable

A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.

Related properties

About this property

21 First Avenue, Billericay, Basildon, Essex, CM12 9PT is a detached house on First Avenue in Billericay, Essex. Stede's estimated value for November 2026 is £772,000. Four in five similar homes sold within their likely range when tested; for this property that range is £627,000 to £878,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 105 similar homes in the same postcode sector (25%). The confidence score is 66 out of 100 (high): estimates like this one are typically within 8% of the eventual sale price.

It last sold in June 1998 for £149,000. The current estimate is 418% higher than that price. The current owner has held it for about 28 years.

Its EPC energy-efficiency rating is band C (73 out of 100). The certificate records a total floor area of 148 m² (1,593 sq ft). It was lodged in April 2026.

The modelled value is up 2% over the past year and up 8% over the past five years.

Among 10 nearby properties Stede tracks in the CM12 area, estimated values run from £542,000 to £866,000. This detached house's £772,000 sits toward the upper end of that range.

Common questions

How much is 21 First Avenue, Billericay, Basildon, Essex, CM12 9PT worth?

Stede estimates 21 First Avenue, Billericay, Basildon, Essex, CM12 9PT is worth £772,000 as of November 2026, within a likely range of £627,000 to £878,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.

When did 21 First Avenue, Billericay, Basildon, Essex, CM12 9PT last sell?

It last sold in June 1998 for £149,000.

What type of property is 21 First Avenue, Billericay, Basildon, Essex, CM12 9PT?

It is recorded as a Detached house on First Avenue in the CM12 postcode area.

What is the EPC rating of 21 First Avenue, Billericay, Basildon, Essex, CM12 9PT?

21 First Avenue, Billericay, Basildon, Essex, CM12 9PT has an EPC energy-efficiency rating of band C (73 out of 100). The certificate records a floor area of 148 m² (1,593 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.

How reliable is this estimate?

The confidence score is 66 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 8% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.

How does Stede calculate this estimate?

It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 105 similar homes in the same postcode sector (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.

How we got this figure

We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 13,681 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 148 m²£792,79050%
  • Its sale in June 1998, brought up to today with the House Price Index£730,19125%
  • 105 similar homes sold recently in the same postcode sector£773,55125%

Estimate £772,000, likely £627,000 – £878,000

Read the full methodology and data sources →