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© 2026 UK House Prices. Data sourced from HM Land Registry.

Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.

Area guide

NN1 area guide — property prices & local market

Everything you need to know about buying property in the NN1 postcode area, covering Northampton and surrounding areas. All price data sourced from HM Land Registry — updated August 2026.

NN1 area price snapshot

Average price

£157,343

Median price

£137,500

5-year trend

+31.0%

Total sales

22,882

The NN1 area has 586 individual postcodes with 22,882 registered sales. Prices are +60.6% below the national average, with the largest concentration in Northampton. The five-year price movement is +31.0%.

About Northampton

An expanding Midlands town with fast trains to London Euston, more affordable housing than the South East and a growing distribution sector.

🚆 Main station

Northampton

⏱️ London commute

~60 min by train

View full Northampton property data →

Market context

NN1 averages £157,343, placing it in the affordable category, +60.6% below the national average. Affordable areas can offer good value for first-time buyers and investors seeking lower entry points. The dataset includes 22,882 recorded sales across 586 postcodes.

The five-year price trend in NN1 is +31.0%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.

Buying tips for NN1

✅ Suitable for first-time buyers — average prices in NN1 start within a typical FTB budget. See the full first-time buyer guide →
  • 🎯First-time buyer schemes can help. Affordable areas may offer better value through Help to Buy, shared ownership or local authority schemes. Check eligibility alongside sold prices.
  • 🛤️Transport links affect long-term value. Affordable areas within commuting distance of major cities often see faster price growth. Check the town data pages for trend comparisons.
  • 🧮Factor in Stamp Duty. Use the Stamp Duty Calculator to estimate purchase costs based on the average price in NN1.
  • 🏘️Explore Northampton. Much of the NN1 activity centres on Northampton. Check the town-level data for more granular market analysis.
  • 💡Check individual postcodes. Average prices can mask significant variation between postcodes in the NN1 area. Browse the individual postcode pages to find properties that match your budget.
  • 💡Compare asking prices to sold prices. Use the Asking Price Checker to see whether a listing price aligns with local sold-price evidence.
  • 💡Use sold prices as evidence, not valuation. Historical data helps you understand market trends but does not replace a professional valuation by a qualified surveyor.

Top postcodes in NN1

NN1 5EJ

£95,528 avg · 185 sales

NN1 5EU

£102,912 avg · 171 sales

NN1 3QR

£128,708 avg · 162 sales

NN1 1UG

£88,205 avg · 161 sales

NN1 3LW

£109,217 avg · 154 sales

NN1 3BA

£147,877 avg · 153 sales

NN1 4PG

£119,114 avg · 147 sales

NN1 1ES

£124,087 avg · 146 sales

NN1 3PU

£163,782 avg · 143 sales

View all 586 postcodes in NN1 →

Useful tools for NN1 buyers

🧮

Stamp Duty ~£647

Avg £157,343 in NN1

Full guide →

📊

Asking Price Checker

Compare asking prices with sold-price evidence

📖

Stamp Duty Guide

Complete 2025 SDLT, LTT & LBTT guide

⚖️

Location Comparison

Compare NN1 with other areas

🏘️

Northampton data

Full town-level property statistics

About this guide

This NN1 area guide is based on HM Land Registry Price Paid Data, covering registered residential property sales in England and Wales from January 1995 onwards. All figures are historical sold prices, not current valuations or asking prices.

Data last updated: August 2026 · View methodology

Frequently asked questions

What is the average house price in NN1?

The average sold price in the NN1 postcode area is £157,343, based on 22,882 HM Land Registry transactions. The largest town in this area is Northampton.

How do NN1 house prices compare to the UK average?

Properties in NN1 average £157,343, which is +60.6% below the national average of £398,894 for England and Wales.

Why is the median price in NN1 lower than the average?

The median price (£137,500) is 12.6% below the average (£157,343), suggesting a mix of property types or a few high-value sales pulling the mean upward. This is common in areas with both affordable and premium housing.

How have NN1 house prices changed over 5 years?

Prices in NN1 have moved +31.0% over five years, reflecting broader UK house price growth. The large sample size gives confidence in this trend.

Are these area guide prices valuations or asking prices?

No. All figures on this page are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, estate agent asking prices, or financial advice. Always seek professional advice before making property decisions.

Related guides

Asking Price vs Sold Price in the UK

Understand the difference between asking prices and actual sold prices.

How to Use Sold Prices When Making an Offer

Use sold-price evidence to prepare for a UK property offer.

Down Valuations: What to Do

Respond to a low mortgage valuation with local sold-price evidence.

View all guides →