NN3 postcode area house prices

NN3 has an average sold price of £172,615 across 40,321 HM Land Registry transactions covering 1,195 postcodes. The largest town grouping is Northampton.

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

NN3 at a glance

NN3 postcode area averages £172,615 across 40,321 completed sales covering 1,195 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £172,615 · Median £150,000 · 40,321 transactions · +24.0% growth · 1,195 postcodes

Data source: HM Land Registry; Updated October 2026
Sample quality: High transaction depth; 40,321 sales across 1,195 postcodes
Median check: £150,000; Mean and median differ — inspect local mix
Trend signal: +24.0%; The five-year price movement is +24.0%.
Coverage: 1,195 postcodes; Largest town: Northampton

NN3 Postcode Area Overview

The NN3 postcode area averages £172,615 across 40,321 registered sales — below the national average of £400,016 by -56.8%. The median price across constituent postcodes is £150,000, suggesting higher-value sales pull the mean upward. 1,195 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Northampton, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +24.0%, in line with national growth.

Postcodes in NN3

NN3 9UN£76,346 average258 sales NN3 5DX£92,883 average179 sales NN3 5LL£118,230 average166 sales NN3 8PS£111,530 average164 sales NN3 8XB£97,203 average156 sales NN3 9QY£105,904 average156 sales NN3 2NQ£116,776 average153 sales NN3 9SP£83,651 average149 sales NN3 9HN£94,863 average148 sales NN3 9HP£100,024 average142 sales NN3 9HF£111,464 average141 sales NN3 3QB£164,504 average140 sales NN3 8QP£127,856 average137 sales NN3 9UQ£128,628 average129 sales NN3 6BT£116,571 average126 sales NN3 2BF£110,171 average122 sales NN3 5EB£110,996 average122 sales NN3 8UF£100,654 average121 sales NN3 9SL£105,006 average121 sales NN3 9SR£136,780 average119 sales NN3 6RP£204,622 average118 sales NN3 5HW£95,728 average117 sales NN3 8JD£123,824 average115 sales NN3 8PZ£77,452 average115 sales NN3 8TP£114,614 average115 sales NN3 5JH£97,004 average114 sales NN3 3JY£92,643 average111 sales NN3 5EP£125,683 average111 sales NN3 9JQ£176,877 average111 sales NN3 8QR£113,632 average110 sales NN3 5LY£147,210 average107 sales NN3 2PZ£116,089 average106 sales NN3 5JA£94,635 average106 sales NN3 5JN£74,633 average106 sales NN3 8NJ£92,466 average106 sales NN3 5ES£97,817 average105 sales NN3 3EJ£133,494 average104 sales NN3 5DA£88,082 average103 sales NN3 9GD£135,840 average102 sales NN3 5EL£151,670 average101 sales NN3 7AB£110,725 average100 sales NN3 8TD£92,173 average100 sales NN3 5LJ£94,174 average99 sales NN3 5LN£99,291 average99 sales NN3 3AD£305,133 average97 sales NN3 6HW£134,617 average97 sales NN3 9AG£250,998 average97 sales NN3 7TZ£142,376 average96 sales NN3 9AJ£150,622 average96 sales NN3 5DH£103,462 average95 sales NN3 5EW£132,059 average95 sales NN3 2JL£138,771 average94 sales NN3 6EA£153,610 average94 sales NN3 5DJ£96,592 average92 sales NN3 5NS£194,698 average92 sales NN3 2JF£168,585 average91 sales NN3 6DN£138,349 average90 sales NN3 9GA£168,250 average90 sales NN3 3JB£206,508 average89 sales NN3 2SY£151,121 average88 sales NN3 9DL£142,522 average88 sales NN3 2PG£151,315 average86 sales NN3 3BE£176,757 average86 sales NN3 2LE£113,401 average85 sales NN3 2LF£154,919 average85 sales NN3 7AA£311,840 average84 sales NN3 9BP£277,483 average84 sales NN3 5ET£95,683 average83 sales NN3 7LD£141,533 average83 sales NN3 8QT£102,685 average83 sales NN3 8TT£87,796 average83 sales NN3 8RT£95,694 average82 sales NN3 9SN£128,046 average82 sales NN3 5EZ£114,150 average81 sales NN3 5LF£132,837 average81 sales NN3 9DS£224,998 average81 sales NN3 2QE£146,227 average80 sales NN3 5DE£86,509 average80 sales NN3 8PN£105,264 average80 sales NN3 2HE£156,218 average79 sales

Compare postcodes in NN3

Use the location comparison tool to put NN3 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 NN3 area

Professional valuers use recent sold prices as comparable evidence. In the NN3 area, the median sold price is £150,000 and the average is £172,615, based on 40,321 HM Land Registry transactions. Over five years, prices have moved +24.0%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £128,000–£173,000(±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 NN3 postcode area?

The average sold price in NN3 is £172,615, based on 40,321 HM Land Registry transactions across 1,195 postcodes.

How does NN3 compare to the national average?

NN3 is -56.8% 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 NN3 area cover?

The NN3 postcode area covers 1,195 individual postcodes with 40,321 registered sales. The largest town grouping is Northampton.

More about NN3

Northampton town Browse districts Market reports Methodology Compare locations Area guide: NN3

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.