DN21 postcode area house prices

DN21 has an average sold price of £125,967 across 23,663 HM Land Registry transactions covering 1,153 postcodes. The largest town grouping is Gainsborough.

Updated October 2026Records through August 2026HM Land Registry31+ million records

DN21 at a glance

DN21 postcode area averages £125,967 across 23,663 completed sales covering 1,153 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £125,967 · Median £128,000 · 23,663 transactions · +43.1% growth · 1,153 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 23,663 sales across 1,153 postcodes
Median check: £128,000; Median is close to the average
Trend signal: +43.1%; The five-year price movement is +43.1%.
Coverage: 1,153 postcodes; Largest town: Gainsborough

DN21 Postcode Area Overview

The DN21 postcode area averages £125,967 across 23,663 registered sales — below the national average of £400,016 by -68.5%. The median price across constituent postcodes is £128,000, closely tracking the average. 1,153 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Gainsborough, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +43.1%, in line with national growth.

Postcodes in DN21

DN21 1FZ£152,269 average173 sales DN21 1LA£33,014 average163 sales DN21 1JE£154,176 average151 sales DN21 1GW£124,831 average148 sales DN21 1WA£127,558 average145 sales DN21 1JZ£42,752 average141 sales DN21 1DD£60,846 average137 sales DN21 2JQ£55,369 average136 sales DN21 1PW£85,595 average134 sales DN21 3GE£181,290 average129 sales DN21 1DS£41,066 average126 sales DN21 1JL£30,953 average115 sales DN21 1JQ£35,684 average113 sales DN21 1DW£40,497 average111 sales DN21 1GR£143,491 average111 sales DN21 1ZS£175,730 average111 sales DN21 2NR£126,384 average110 sales DN21 2RS£45,712 average101 sales DN21 5EF£99,831 average101 sales DN21 1DT£40,777 average99 sales DN21 1XR£100,869 average98 sales DN21 3RQ£175,784 average96 sales DN21 1DH£45,139 average94 sales DN21 2QE£96,365 average93 sales DN21 4AZ£179,164 average93 sales DN21 1AB£58,285 average92 sales DN21 2PD£61,848 average90 sales DN21 2NT£66,100 average88 sales DN21 1AN£68,335 average87 sales DN21 4FE£190,751 average87 sales DN21 1BH£32,446 average84 sales DN21 2TN£70,017 average84 sales DN21 3LS£189,686 average84 sales DN21 1JR£32,434 average83 sales DN21 3DZ£168,795 average82 sales DN21 5XS£66,889 average81 sales DN21 1LB£47,449 average80 sales DN21 2LB£82,619 average80 sales DN21 1GJ£147,211 average79 sales DN21 2TD£146,120 average79 sales DN21 5XT£78,593 average79 sales DN21 2AB£42,169 average78 sales DN21 2LA£78,559 average78 sales DN21 4PT£78,438 average78 sales DN21 2JG£45,423 average77 sales DN21 2RP£60,251 average77 sales DN21 2UD£55,150 average77 sales DN21 5XN£65,836 average77 sales DN21 1FT£141,981 average75 sales DN21 2RT£48,288 average75 sales DN21 2NU£69,829 average74 sales DN21 2NX£60,395 average74 sales DN21 2LQ£64,392 average73 sales DN21 1GS£130,458 average72 sales DN21 1DL£41,454 average71 sales DN21 1BS£38,125 average70 sales DN21 1BZ£34,896 average70 sales DN21 1FR£173,155 average70 sales DN21 3RJ£195,014 average70 sales DN21 2PU£56,441 average69 sales DN21 2PH£57,778 average67 sales DN21 2PQ£65,683 average67 sales DN21 1FE£78,588 average66 sales DN21 2PJ£55,815 average66 sales DN21 4FD£186,185 average66 sales DN21 5XP£53,645 average66 sales DN21 2AT£112,072 average65 sales DN21 2SA£60,809 average65 sales DN21 1BN£33,043 average64 sales DN21 1FB£126,750 average64 sales DN21 2LF£67,982 average64 sales DN21 4LJ£178,902 average64 sales DN21 1DX£44,181 average63 sales DN21 2RY£38,948 average63 sales DN21 2QS£85,190 average62 sales DN21 3BL£127,852 average62 sales DN21 4NL£102,870 average62 sales DN21 1ZF£121,990 average61 sales DN21 2LD£71,687 average61 sales DN21 2PG£65,539 average61 sales

Compare postcodes in DN21

Use the location comparison tool to put DN21 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

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Property valuation guide

Estimate a property value in the DN21 area

Professional valuers use recent sold prices as comparable evidence. In the DN21 area, the median sold price is £128,000 and the average is £125,967, based on 23,663 HM Land Registry transactions. Over five years, prices have moved +43.1%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £109,000–£147,000(±15% from median)

These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.

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Frequently asked questions

What is the average sold price in the DN21 postcode area?

The average sold price in DN21 is £125,967, based on 23,663 HM Land Registry transactions across 1,153 postcodes.

How does DN21 compare to the national average?

DN21 is -68.5% below the England and Wales national average of £400,016.

Are these figures valuations or asking prices?

No. These are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, asking prices or investment advice.

How many postcodes does the DN21 area cover?

The DN21 postcode area covers 1,153 individual postcodes with 23,663 registered sales. The largest town grouping is Gainsborough.

More about DN21

Gainsborough town Browse districts Market reports Methodology Compare locations Area guide: DN21

About this data

All sold price figures on this page come from HM Land Registry Price Paid Data for England and Wales, published under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right. These are historical completed sale prices — they are not current valuations, not forecasts and not investment advice. Past sale prices do not guarantee future values. Always seek independent professional advice before making property or financial decisions. Read the full methodology for details on data cleaning, grouping and limitations.