How much is 21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW worth?
Estimated value — November 2026
£414,000
Likely range £331,000 – £470,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale March 1999
64%
confidence
Medium
Typically within 9% of the sale price
Property details
Detached house
Northumberland Avenue · Margate · CT9 3BW
Energy performance
Mains Gas (Not Community) · EPC 8109-6823-8260-2861-5922 · inspected July 2011 · lodged August 2011
Address
- District
- Thanet
- County
- Kent
Value over time
- Modelled value
- Projected
- Likely range (80%)
- Today's estimate
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
| Year | Modelled value | Likely range |
|---|---|---|
| 2000 | £116,992 | £101,592 – £136,369 |
| 2001 | £137,875 | £118,697 – £158,701 |
| 2002 | £178,773 | £152,394 – £205,387 |
| 2003 | £201,563 | £170,220 – £232,443 |
| 2004 | £227,756 | £190,631 – £263,538 |
| 2005 | £226,303 | £188,149 – £261,433 |
| 2006 | £233,250 | £192,868 – £268,972 |
| 2007 | £259,216 | £212,929 – £298,843 |
| 2008 | £218,070 | £177,670 – £252,042 |
| 2009 | £219,732 | £177,799 – £254,191 |
| 2010 | £227,809 | £183,202 – £264,384 |
| 2011 | £224,443 | £180,399 – £260,884 |
| 2012 | £222,132 | £178,338 – £258,931 |
| 2013 | £230,807 | £185,216 – £270,121 |
| 2014 | £261,587 | £209,866 – £305,865 |
| 2015 | £285,182 | £250,252 – £308,749 |
| 2016 | £323,648 | £281,640 – £351,991 |
| 2017 | £350,325 | £302,292 – £382,732 |
| 2018 | £363,034 | £310,604 – £398,408 |
| 2019 | £357,789 | £303,500 – £394,417 |
| 2020 | £385,240 | £323,969 – £426,579 |
| 2021 | £418,937 | £349,243 – £465,959 |
| 2022 | £464,407 | £383,753 – £518,824 |
| 2023 | £438,253 | £358,937 – £491,768 |
| 2024 | £426,766 | £346,408 – £480,984 |
| 2025 | £414,022 | £333,036 – £468,663 |
| 2026 | £414,000 | £331,000 – £470,000 |
Sale history
Mortgage calculator
£2,222
Estimated monthly repayment
£372,600
Loan amount
£427,306
Total interest
£799,906
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
- 28 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£395,000 · 2025£423,000
- 21A, Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£455,000 · 2022£438,000
- 26 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£287,500 · 2014£501,000
- 36 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£300,000 · 2006£503,000
- 32 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£222,000 · 2003£486,000
- 33 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£300,000 · 2009£568,000
- 42 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£533,000 · 2018£710,000
- 23 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£510,000 · 2017£697,000
- 23A, Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£345,000 · 2011£656,000
- 27 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW£390,000 · 2021£428,000
About this property
21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW is a detached house on Northumberland Avenue in Margate, Kent. Stede's estimated value for November 2026 is £414,000. Four in five similar homes sold within their likely range when tested; for this property that range is £331,000 to £470,000. 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 64 out of 100 (medium): estimates like this one are typically within 9% of the eventual sale price.
It last sold in March 1999 for £87,000. The current estimate is 376% 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 (71) after the recommended improvements. The certificate records a total floor area of 100 m² (1,076 sq ft). It was lodged in August 2011.
The modelled value is down 1% over the past year and unchanged over the past five years.
Among 10 nearby properties Stede tracks in the CT9 area, estimated values run from £423,000 to £710,000. This detached house's £414,000 sits below that range.
Common questions
How much is 21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW worth?
Stede estimates 21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW is worth £414,000 as of November 2026, within a likely range of £331,000 to £470,000. 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 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW last sell?
It last sold in March 1999 for £87,000.
What type of property is 21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW?
It is recorded as a Detached house on Northumberland Avenue in the CT9 postcode area.
What is the EPC rating of 21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW?
21 Northumberland Avenue, Margate, Thanet, Kent, CT9 3BW has an EPC energy-efficiency rating of band D (67 out of 100). Its potential rating after the recommended improvements is band C (71). The certificate records a floor area of 100 m² (1,076 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 64 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 9% 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 16,524 real sales of similar homes.
- Recent price per m² in the same postcode sector, for its 100 m²£405,85050%
- Its sale in March 1999, brought up to today with the House Price Index£431,04225%
- 105 similar homes sold recently in the same postcode sector£411,51525%
Estimate £414,000, likely £331,000 – £470,000
Read the full methodology and data sources →