House prices in Narrow Lane, Northampton, NN1
31 homes have sold on Narrow Lane (NN1) since 1995, the first in 2007. Over the last five years the median sold price was £125,500 from 4 sales, 55% below the Northampton median of £281,000and against £205,000 across NN1. Sales here have been flats 100%.
- Median sold price
- £125,500
- last five years · 4 sales
- Half of sales were above this price, half below
- Price per sq ft
- £199
- based on 3 of 4 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 31
- 0 in the last 12 months
- Latest sale
- £121,000
- 24 Nov 2023
- vs Northampton
- −55%
- Northampton median £281,000
Every sale on Narrow Lane, NN1
› G05, Sigma House NN1 2JY · Flats £125,000· 11 Dec 2023 · 3 sales
| 11 Dec 2023 | £125,000 | Flats · Leasehold | −9% vs 2018 | |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 19 Jan 2018 | £137,000 | Flats · Leasehold | first recorded sale | |
| 20 May 2013 | £91,000 | Flats · Leasehold | −27% vs 2023 | |
› Flat 101, Sigma House NN1 2JY · Flats £121,000· 24 Nov 2023 · 3 sales
| 24 Nov 2023 | £121,000 | Flats · Leasehold | 818 sq ft · £148/sq ft | −20% vs 2007 |
| 30 Oct 2015 | £110,000 | Flats · Leasehold | 818 sq ft · £134/sq ft | −9% vs 2023 |
| 29 Jun 2007 | £151,995 | Flats · Leasehold · New build | 818 sq ft · £186/sq ft | first recorded sale |
› Flat 203, Sigma House NN1 2JY · Flats £132,000· 8 Jul 2022 · 2 sales
| 8 Jul 2022 | £132,000 | Flats · Leasehold | 603 sq ft · £219/sq ft | first recorded sale |
| 29 Jun 2007 | £134,995 | Flats · Leasehold · New build | 603 sq ft · £224/sq ft | +2% vs 2022 |
› Flat G4, Sigma House NN1 2JY · Flats £130,000· 24 Jun 2022 · 2 sales
| 24 Jun 2022 | £130,000 | Flats · Leasehold | first recorded sale | |
| 27 Jun 2007 | £114,700 | Flats · Leasehold · New build | −12% vs 2022 |
› Flat 302, Sigma House NN1 2JY · Flats £120,000· 25 Feb 2022 · 3 sales
| 25 Feb 2022 | £120,000 | Flats · Leasehold | 603 sq ft · £199/sq ft | first recorded sale |
| 26 Feb 2014 | £95,000 | Flats · Leasehold | 603 sq ft · £158/sq ft | −42% vs 2007 |
| 28 Jun 2007 | £162,950 | Flats · Leasehold · New build | 603 sq ft · £270/sq ft | +36% vs 2022 |
› Flat 105, Sigma House NN1 2JY · Flats £115,000· 7 Aug 2019
| 7 Aug 2019 | £115,000 | Flats · Leasehold | 689 sq ft · £167/sq ft | first recorded sale |
› Flat G3, Sigma House NN1 2JY · Flats £91,000· 9 Aug 2017 · 2 sales
| 9 Aug 2017 | £91,000 | Flats · Leasehold | −10% vs 2007 | |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 29 Jun 2007 | £101,495 | Flats · Leasehold · New build | first recorded sale | |
› Flat 204, Sigma House NN1 2JY · Flats £120,000· 9 Jun 2017 · 2 sales
| 9 Jun 2017 | £120,000 | Flats · Leasehold | 721 sq ft · £166/sq ft | first recorded sale |
| 29 Jun 2007 | £145,554 | Flats · Leasehold · New build | 721 sq ft · £202/sq ft | +21% vs 2017 |
› Flat 303, Sigma House NN1 2JY · Flats £115,000· 2 Nov 2016 · 2 sales
| 2 Nov 2016 | £115,000 | Flats · Leasehold | 710 sq ft · £162/sq ft | −27% vs 2007 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 29 Jun 2007 | £157,950 | Flats · Leasehold · New build | 710 sq ft · £222/sq ft | first recorded sale |
› Flat G1, Sigma House NN1 2JY · Flats £135,000· 2 Sept 2016 · 3 sales
| 2 Sept 2016 | £135,000 | Flats · Leasehold | +26% vs 2014 | |
| 27 Jun 2014 | £107,000 | Flats · Leasehold | first recorded sale | |
| 22 Dec 2008 | £130,000 | Flats · Leasehold · New build | −4% vs 2016 |
› Flat 202, Sigma House NN1 2JY · Flats £125,000· 30 Mar 2016 · 3 sales
| 30 Mar 2016 | £125,000 | Flats · Leasehold | 678 sq ft · £184/sq ft | −20% vs 2007 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 19 Dec 2014 | £120,000 | Flats · Leasehold | 678 sq ft · £177/sq ft | first recorded sale |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 29 Jun 2007 | £156,700 | Flats · Leasehold · New build | 678 sq ft · £231/sq ft | +31% vs 2014 |
› Flat G2, Sigma House NN1 2JY · Flats £132,000· 17 Mar 2016 · 4 sales
| 17 Mar 2016 | £132,000 | Flats · Leasehold | +10% vs 2015 | |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 18 May 2015 | £119,500 | Flats · Leasehold | −8% vs 2008 | |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 3 Sept 2013 | £106,000 | Flats · Leasehold | −20% vs 2016 | |
| 22 Dec 2008 | £130,000 | Flats · Leasehold · New build | first recorded sale | |
› Flat 201, Sigma House NN1 2JY · Flats £107,500· 23 Oct 2015 · 2 sales
| 23 Oct 2015 | £107,500 | Flats · Leasehold | 700 sq ft · £154/sq ft | −28% vs 2007 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 31 Aug 2007 | £148,284 | Flats · Leasehold · New build | 700 sq ft · £212/sq ft | first recorded sale |
› Flat 301, Sigma House NN1 2JY · Flats £106,000· 19 Dec 2014 · 2 sales
| 19 Dec 2014 | £106,000 | Flats · Leasehold | 614 sq ft · £173/sq ft | first recorded sale |
| 31 Jul 2009 | £87,368 | Flats · Leasehold · New build | 614 sq ft · £142/sq ft | −18% vs 2014 |
› Flat 102, Sigma House NN1 2JY · Flats £151,952· 2 Jul 2007
| 2 Jul 2007 | £151,952 | Flats · Leasehold · New build | first recorded sale |
› Flat 104, Sigma House NN1 2JY · Flats £158,995· 29 Jun 2007
| 29 Jun 2007 | £158,995 | Flats · Leasehold · New build | first recorded sale |
› Flat 103, Sigma House NN1 2JY · Flats £140,602· 29 Jun 2007
| 29 Jun 2007 | £140,602 | Flats · Leasehold · New build | 646 sq ft · £218/sq ft | first recorded sale |
› 105, Sigma House NN1 2JY · Flats £132,500· 28 Jun 2007
| 28 Jun 2007 | £132,500 | Flats · Leasehold · New build | 689 sq ft · £192/sq ft | first recorded sale |
› Flat 205, Sigma House NN1 2JY · Flats £155,995· 25 Jun 2007
| 25 Jun 2007 | £155,995 | Flats · Leasehold · New build | 678 sq ft · £230/sq ft | first recorded sale |
At your size
A 90 m² (970 sq ft) home in NN1 is worth roughly £197k–£251k at the district's typical £203–£259 per square foot (663 sales, two years) — a range, not a valuation.
Check your addressAll sold prices in Northampton· NN1 district on the Northampton page
Track Narrow Lane, NN1
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Sources and method. Sales completed to July 2026, as registered by 29 Aug 2026 · headline figures cover the 12 months to May 2026 (later months are still being registered).Next HM Land Registry release ~28 Sept 2026. Medians unless stated; averages only where 30 or more sales. Category A sales only (standard price-paid transactions), houses and flats.
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Floor areas derived from Energy Performance Certificate data © Crown copyright, licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0.
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