Stede Logo

Stede

21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB

How much is 21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB worth?

Estimated value — November 2026

£725,000

Likely range £590,000 – £840,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale July 1999

68%

confidence

High

Typically within 8% of the sale price

Property details

Semi-detached house

Derham Gardens · Upminster · RM14 3HB

129 m²1,389 sq ftFloor area
1950-1966Built
Mains gas boilerHeating

Energy performance

Current ratingD67
PotentialC80

Mains Gas (Not Community) · EPC 9310-2681-7000-2500-7035 · inspected October 2020 · lodged November 2020

Address

District
Havering
County
Greater London
See house prices in RM14 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k£1m20002002200420062008201020122014201620182020202220242026£725,000

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£171,547£149,346 – £202,629
2001£194,896£168,561 – £225,100
2002£249,362£213,692 – £287,302
2003£271,136£230,273 – £313,152
2004£298,916£251,743 – £346,939
2005£296,954£248,349 – £345,015
2006£317,436£264,138 – £368,228
2007£355,431£294,171 – £412,295
2008£303,333£249,307 – £352,634
2009£316,190£258,094 – £368,548
2010£335,143£272,060 – £391,644
2011£339,457£274,944 – £398,021
2012£340,549£275,971 – £400,334
2013£362,182£293,382 – £427,635
2014£426,210£345,418 – £504,198
2015£487,375£432,365 – £534,235
2016£544,069£478,919 – £599,567
2017£569,310£497,224 – £630,717
2018£586,445£508,157 – £653,135
2019£579,450£498,112 – £648,738
2020£602,227£513,551 – £677,766
2021£632,459£534,983 – £715,494
2022£699,198£586,629 – £795,090
2023£662,958£551,665 – £757,763
2024£687,394£567,273 – £789,719
2025£720,384£589,545 – £831,839
2026£725,000£590,000 – £840,000

Sale history

1995Sold
£71,000
1999Sold
+92%£136,500
2026Today — estimated
+431%£725,000

Mortgage calculator

£3,891

Estimated monthly repayment

£652,500

Loan amount

£748,302

Total interest

£1,400,802

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 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB is a semi-detached house on Derham Gardens in Upminster, Greater London. Stede's estimated value for November 2026 is £725,000. Four in five similar homes sold within their likely range when tested; for this property that range is £590,000 to £840,000. 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 123 similar homes in the same postcode sector (25%). The confidence score is 68 out of 100 (high): estimates like this one are typically within 8% of the eventual sale price.

It last sold in July 1999 for £136,500. It has 2 sales on record, the earliest in 1995. The current estimate is 431% higher than that price. The current owner has held it for about 27 years.

Its EPC energy-efficiency rating is band D (67 out of 100), with a potential of band C (80) after the recommended improvements. The certificate records a total floor area of 129 m² (1,389 sq ft). It was lodged in November 2020.

The modelled value is unchanged over the past year and up 14% over the past five years.

Among 10 nearby properties Stede tracks in the RM14 area, estimated values run from £654,000 to £754,000. This semi-detached house's £725,000 sits around the middle of that range.

Common questions

How much is 21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB worth?

Stede estimates 21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB is worth £725,000 as of November 2026, within a likely range of £590,000 to £840,000. 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 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB last sell?

It last sold in July 1999 for £136,500. There are 2 sales on record, the earliest in 1995.

What type of property is 21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB?

It is recorded as a Semi-detached house on Derham Gardens in the RM14 postcode area.

What is the EPC rating of 21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB?

21 Derham Gardens, Upminster, Havering, Greater London, RM14 3HB has an EPC energy-efficiency rating of band D (67 out of 100). Its potential rating after the recommended improvements is band C (80). The certificate records a floor area of 129 m² (1,389 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 68 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 123 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 8,909 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 129 m²£787,80950%
  • Its sale in July 1999, brought up to today with the House Price Index£636,40025%
  • 123 similar homes sold recently in the same postcode sector£688,83325%

Estimate £725,000, likely £590,000 – £840,000

Read the full methodology and data sources →