Market updateBasildonResearch by ValuQ

Basildon's 2021 buyers are up £52,800 as their five-year fixes end

Published 19 September 2026 · 8 min read · By Evren Ergin

Every one of the 3,370 homes bought in the Borough of Basildon in 2021 is worth more today on the local price index, with a typical gain of £52,785, ValuQ analysis of Land Registry sales finds. The exception to the comfort is flats: the typical 2021 Basildon flat is up just £5,388, as five-year fixes from that year end and the Bank of England weighs a rate rise.

TL;DR

  • All 3,370 Basildon homes bought in 2021 are worth more on the local index, a typical gain of £52,785 (14.8%).
  • The typical 2021 Basildon flat is up only £5,388, and in May 2026 the flat index touched the exact level paid in August and November 2021.
  • Basildon is the only one of 13 Essex areas measured where no 2021 flat purchase is behind; in Thurrock 55% are.
  • Refixing a typical £340,000 Basildon purchase at today's rates adds about £371 a month on a 75% mortgage.

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Brick chalet-style semi-detached houses with picket fences and a red post box on a street corner in Laindon, Basildon
Photo: JThomas, Geograph/Wikimedia Commonswikimedia

Research by ValuQ: we took all 3,370 standard home sales registered by HM Land Registry in the Borough of Basildon in 2021 and marked each one to July 2026 prices using the official UK House Price Index for Basildon, for its own property type and its own month of purchase.

ValuQ Property Watch, 19 September 2026.

How much have Basildon homes bought in 2021 gained?

On the local index, all 3,370 are worth more than their owners paid. The typical Basildon home bought in 2021 cost £340,000 and has gained 14.8%, a median of £52,785. Together the borough's 2021 buyers are sitting on an estimated £183 million of price growth.

ValuQ analysis: Basildon homes bought in 2021, marked to July 2026 local prices

Property type2021 purchasesTypical price paidTypical changeTypical gain in £Worth less today
Detached864£515,000+14.3%+£70,6790
Semi-detached916£375,000+16.9%+£60,8640
Terraced1,119£290,000+15.8%+£45,9510
Flat or maisonette471£200,000+2.5%+£5,3880
All homes3,370£340,000+14.8%+£52,7850

Source: ValuQ analysis of HM Land Registry Price Paid Data (standard sales in the Borough of Basildon, 2021) and the UK House Price Index for Basildon by property type (July 2026, published 16 September 2026). The borough covers Basildon, Billericay, Wickford, Laindon and Pitsea. Free to republish with credit to ValuQ.

Why are Basildon's flat owners the exception?

Because their cushion is thin. The typical Basildon flat bought in 2021 is up £5,388, against £60,864 for a semi. Basildon's flat price index fell 2.2% in the year to July 2026, and in May it touched 92.9, exactly the level paid by buyers who purchased in August and November 2021.

July's reading lifted it back to 94.8. That leaves the most recent 2021 flat buyers about 2% ahead. One more year like the last would put some of them behind.

Basildon flat price index (January 2023 = 100)

MonthFlat indexChange on a year earlier
Highest month paid by a 2021 buyer (August and November 2021)92.9
July 202597.0+2.8%
January 202693.6-1.3%
May 202692.9-4.5%
July 2026 (provisional)94.8-2.2%

How does Basildon compare with the rest of Essex?

It stands apart for flats. Of the 13 Essex areas with at least 100 flat sales in 2021, Basildon is the only one where not a single 2021 flat purchase is behind on its local index. In Thurrock 55.2% are behind, in Castle Point 51.0%, and in Epping Forest every 2021 flat purchase is behind.

ValuQ analysis: Essex flats bought in 2021, marked to July 2026

Area2021 flat salesWorth less todayTypical changeTypical change in £
Harlow30938.5%+3.2%+£4,489
Basildon4710.0%+2.5%+£5,388
Chelmsford69812.5%+2.4%+£4,514
Braintree44016.4%+1.3%+£1,727
Southend-on-Sea1,14715.3%+1.2%+£2,412
Rochford18723.5%+1.0%+£2,606
Brentwood38243.5%+0.1%+£407
Uttlesford17773.4%-0.2%-£462
Thurrock56055.2%-0.2%-£486
Colchester67956.3%-0.2%-£415
Castle Point19251.0%-1.5%-£2,419
Epping Forest509100.0%-2.6%-£8,678
Tendring43685.6%-3.4%-£3,979

Across all home types, Basildon's 2021 buyers have gained more in percentage terms than those in any neighbouring south Essex area: Basildon 14.8%, Rochford 14.7%, Chelmsford 12.7%, Brentwood 12.1%, Southend-on-Sea 12.0%, Castle Point 11.4% and Thurrock 11.2%.

What happens when a 2021 fix ends in Basildon?

The monthly bill rises, even though the home is worth more. A five-year fix is a mortgage whose rate is locked for five years; deals taken in 2021 are ending now. UK Finance expects 1.8 million fixed-rate mortgages to end in 2026, and on 17 September three of the Bank of England's nine rate-setters voted to raise Bank Rate from 3.75% to 4%.

Illustration: a 75% repayment mortgage taken on a typical Basildon 2021 purchase

Typical 2021 purchaseMonthly cost on 2021's 1.58% five-year fixMonthly cost refixed at 4.78%Extra each monthExtra each year
All homes (£340,000)£890£1,261£371£4,447
Semi-detached (£375,000)£981£1,390£409£4,905
Flat (£200,000)£523£741£218£2,616

Rates are Bank of England averages for a five-year fix at 75% loan-to-value: 1.58% across 2021 and 4.78% in August 2026. The refixed cost uses the balance left after five years of repayments over the remaining 25 years.

Did buying in the stamp duty rush pay off?

In Basildon it did. Buyers who completed in the first half of 2021, while the full stamp duty holiday ran, have gained more than those who bought later in the year, because local prices kept rising through 2021.

ValuQ analysis: typical change since purchase, Basildon 2021 buyers

When boughtDetachedSemi-detachedTerracedFlat
January to June 2021+14.4%+17.6%+18.0%+4.5%
July to September 2021+11.8%+14.3%+14.8%+2.4%
October to December 2021+8.7%+12.6%+13.5%+2.2%

Every Basildon home bought in 2021 has gained on the local index. For a flat owner the margin is thin enough that the next valuation matters more than the last five years.

What is my own Basildon home worth now?

The index tells you what the typical home of your type did. It cannot tell you what yours did. Earlier ValuQ research found homes identical on paper end up about 21 percentage points of growth apart, and in Basildon the street and the postcode move the number.

ValuQ's Basildon property market page breaks sold prices down by postcode across SS13 to SS16 and by property type, and the live Basildon postcode map puts HM Land Registry sold prices on an Ordnance Survey base map so you can see what sold near you and for how much. ValuQ gives UK homeowners free, side-by-side property valuations from competing local estate agents, so you can compare several local views of your home's value before you speak to any of them.

What should a Basildon 2021 buyer do before the fix ends?

  1. Check your fix end date and start comparing deals several months ahead, since many lenders let you secure a rate in advance.
  2. Get a current, local value for your home, because it sets your loan-to-value band and so the rates you are offered.
  3. If you own a flat, check your lease length and service charge now, as a lender or buyer will ask.
  4. If you plan to sell, price from recent sales of your own property type in your own postcode, not from what you paid in 2021.

What does it mean for sellers and buyers in Basildon?

For house owners who bought in 2021, the equity is there: a typical gain of £45,000 to £71,000 depending on type. For flat sellers, accurate pricing matters most: a few thousand pounds decides whether the sale covers the purchase price. For buyers, Basildon flats are selling close to 2021 levels while houses are not.

How did ValuQ do this?

How we did this: ValuQ took every standard residential sale in HM Land Registry Price Paid Data completed in the Borough of Basildon between 1 January and 31 December 2021 (3,370 sales). Each sale was matched to the UK House Price Index for Basildon for its property type. Its value today is the purchase price multiplied by the index in July 2026, divided by the index in its month of purchase.

Essex comparisons use the same method for each local authority; flat comparisons include only areas with at least 100 flat sales in 2021. The index is borough-wide, so it shows the typical home of each type, not any single home. July 2026 figures are provisional. Prices are nominal. Mortgage figures are illustrations, not advice.

Evren Ergin, founder of ValuQ, said: "Every Basildon home bought in 2021 has gained on the local index, and most by tens of thousands of pounds. For a flat owner the margin is thin enough that the next valuation matters more than the last five years. Anyone whose fix is ending should know their real number before their lender does."

Questions Basildon homeowners are asking

Has my Basildon house gone up in value since 2021?

On the local index, yes. ValuQ analysis of all 3,370 Basildon sales in 2021 found every one would be worth more today, with a typical gain of £52,785 (14.8%). Semis are up a typical 16.9% and terraced homes 15.8%.

Are Basildon flats worth less than in 2021?

Not on the local index, but only just. The typical 2021 Basildon flat is up 2.5% (£5,388). In May 2026 the flat index fell to the exact level paid by buyers in August and November 2021 before recovering in July.

How much more will my mortgage cost when my 2021 fix ends?

On a typical £340,000 Basildon home with a 75% repayment mortgage, moving from 2021's average five-year rate of 1.58% to August 2026's 4.78% adds about £371 a month. Your own figure depends on your loan, your term and the deal you choose.

Which Essex areas have flat owners from 2021 in a loss?

On their local indices, the typical 2021 flat is behind in Tendring (-3.4%), Epping Forest (-2.6%), Castle Point (-1.5%), and by 0.2% in Thurrock, Colchester and Uttlesford. Basildon is the only Essex area measured where no 2021 flat purchase is behind.

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Terms in this article

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