House prices in Porter Square, Grantham, NG31
52 homes have sold on Porter Square (NG31) since 1995, the first in 2011. Over the last five years the median sold price was £114,500 from 9 sales, 51% below the Grantham median of £235,000and against £210,000 across NG31. Sales here have been flats 100%. Homes that sold twice within the last seven years gained a median +6.7% a year between sales.
- Median sold price
- £114,500
- last five years · 9 sales
- Half of sales were above this price, half below
- Price per sq ft
- £177
- based on 9 of 9 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 52
- 1 in the last 12 months
- Latest sale
- £103,000
- 7 Jul 2025
- vs Grantham
- −51%
- Grantham median £235,000
Every sale on Porter Square, NG31
› 2 NG31 7WT · Flats £103,000· 7 Jul 2025 · 2 sales
| 7 Jul 2025 | £103,000 | Flats · Leasehold | 797 sq ft · £129/sq ft | +20% vs 2013 |
| 6 Dec 2013 | £85,995 | Flats · Leasehold | 797 sq ft · £108/sq ft | first recorded sale |
› 7 NG31 7WT · Flats £114,500· 30 May 2025 · 3 sales
| 30 May 2025 | £114,500 | Flats · Leasehold | 646 sq ft · £177/sq ft | first recorded sale |
| 3 Nov 2021 | £108,000 | Flats · Leasehold | 646 sq ft · £167/sq ft | +27% vs 2013 |
| 25 Oct 2013 | £84,995 | Flats · Leasehold · New build | 646 sq ft · £132/sq ft | −26% vs 2025 |
› 8 NG31 7WT · Flats £100,000· 26 Jul 2024 · 2 sales
| 26 Jul 2024 | £100,000 | Flats · Leasehold | 581 sq ft · £172/sq ft | +15% vs 2013 |
| 20 Dec 2013 | £86,995 | Flats · Leasehold | 581 sq ft · £150/sq ft | first recorded sale |
› 5 NG31 7WT · Flats £110,000· 26 Apr 2024 · 3 sales
| 26 Apr 2024 | £110,000 | Flats · Leasehold | 646 sq ft · £170/sq ft | first recorded sale |
| 1 Sept 2017 | £92,250 | Flats · Leasehold | 646 sq ft · £143/sq ft | +6% vs 2014 |
| 31 Jan 2014 | £86,995 | Flats · Leasehold · New build | 646 sq ft · £135/sq ft | −21% vs 2024 |
› 23 NG31 7WT · Flats £125,000· 29 Jul 2022 · 4 sales
| 29 Jul 2022 | £125,000 | Flats · Leasehold | 635 sq ft · £197/sq ft | first recorded sale |
| 13 Sept 2019 | £96,000 | Flats · Leasehold | 635 sq ft · £151/sq ft | −23% vs 2022 |
| 24 Apr 2013 | £70,000 | Flats · Leasehold | 635 sq ft · £110/sq ft | −20% vs 2011 |
| 27 Oct 2011 | £87,360 | Flats · Leasehold · New build | 635 sq ft · £138/sq ft | −9% vs 2019 |
› 21 NG31 7WT · Flats £125,000· 15 Jul 2022 · 3 sales
| 15 Jul 2022 | £125,000 | Flats · Leasehold | 635 sq ft · £197/sq ft | +22% vs 2020 |
| 18 Dec 2020 | £102,500 | Flats · Leasehold | 635 sq ft · £161/sq ft | first recorded sale |
| 14 May 2014 | £90,995 | Flats · Leasehold · New build | 635 sq ft · £143/sq ft | −27% vs 2022 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
› 27 NG31 7WT · Flats £120,500· 4 Apr 2022 · 2 sales
| 4 Apr 2022 | £120,500 | Flats · Leasehold | 635 sq ft · £190/sq ft | +43% vs 2012 |
| 5 Oct 2012 | £83,995 | Flats · Leasehold · New build | 635 sq ft · £132/sq ft | first recorded sale |
› 11 NG31 7WT · Flats £125,000· 25 Mar 2022 · 2 sales
| 25 Mar 2022 | £125,000 | Flats · Leasehold | 581 sq ft · £215/sq ft | +45% vs 2013 |
| 20 Dec 2013 | £85,995 | Flats · Leasehold | 581 sq ft · £148/sq ft | first recorded sale |
› 28 NG31 7WT · Flats £119,950· 12 Apr 2021 · 3 sales
| 12 Apr 2021 | £119,950 | Flats · Leasehold | 775 sq ft · £155/sq ft | +28% vs 2011 |
| 6 Feb 2017 | £100,000 | Flats · Leasehold | 775 sq ft · £129/sq ft | −17% vs 2021 |
| 23 Sept 2011 | £93,995 | Flats · Leasehold | 775 sq ft · £121/sq ft | first recorded sale |
› 9 NG31 7WT · Flats £104,000· 19 Feb 2021 · 3 sales
| 19 Feb 2021 | £104,000 | Flats · Leasehold | 635 sq ft · £164/sq ft | first recorded sale |
| 5 Jun 2019 | £97,500 | Flats · Leasehold | 635 sq ft · £154/sq ft | +16% vs 2013 |
| 2 Dec 2013 | £84,195 | Flats · Leasehold | 635 sq ft · £133/sq ft | −19% vs 2021 |
› 24 NG31 7WT · Flats £92,000· 8 Aug 2019 · 2 sales
| 8 Aug 2019 | £92,000 | Flats · Leasehold | 635 sq ft · £145/sq ft | +10% vs 2012 |
| 25 May 2012 | £83,995 | Flats · Leasehold · New build | 635 sq ft · £132/sq ft | first recorded sale |
› 3 NG31 7WT · Flats £97,750· 31 Jul 2019 · 2 sales
| 31 Jul 2019 | £97,750 | Flats · Leasehold | 635 sq ft · £154/sq ft | +14% vs 2013 |
| 6 Dec 2013 | £85,995 | Flats · Leasehold | 635 sq ft · £135/sq ft | first recorded sale |
› 16 NG31 7WT · Flats £100,000· 28 Jun 2019
| 28 Jun 2019 | £100,000 | Flats · Leasehold | 635 sq ft · £157/sq ft | first recorded sale |
› 25 NG31 7WT · Flats £105,000· 17 May 2019 · 2 sales
| 17 May 2019 | £105,000 | Flats · Leasehold | 646 sq ft · £163/sq ft | first recorded sale |
| 20 Jun 2012 | £84,995 | Flats · Leasehold | 646 sq ft · £132/sq ft | −19% vs 2019 |
› 26 NG31 7WT · Flats £100,000· 16 Nov 2018 · 2 sales
| 16 Nov 2018 | £100,000 | Flats · Leasehold | 635 sq ft · £157/sq ft | +22% vs 2012 |
| 27 Jul 2012 | £81,995 | Flats · Leasehold · New build | 635 sq ft · £129/sq ft | first recorded sale |
› 14 NG31 7WT · Flats £110,500· 19 Sept 2018 · 2 sales
| 19 Sept 2018 | £110,500 | Flats · Leasehold | 797 sq ft · £139/sq ft | +14% vs 2014 |
| 17 Jan 2014 | £96,995 | Flats · Leasehold · New build | 797 sq ft · £122/sq ft | first recorded sale |
› 4 NG31 7WT · Flats £94,950· 28 Jul 2017 · 2 sales
| 28 Jul 2017 | £94,950 | Flats · Leasehold | 635 sq ft · £150/sq ft | +14% vs 2013 |
| 13 Dec 2013 | £83,495 | Flats · Leasehold · New build | 635 sq ft · £131/sq ft | first recorded sale |
› 17 NG31 7WT · Flats £95,000· 10 Nov 2015 · 2 sales
| 10 Nov 2015 | £95,000 | Flats · Leasehold | 635 sq ft · £150/sq ft | +14% vs 2013 |
| 27 Sept 2013 | £82,995 | Flats · Leasehold · New build | 635 sq ft · £131/sq ft | first recorded sale |
› 6 NG31 7WT · Flats £80,500· 15 Dec 2014 · 2 sales
| 15 Dec 2014 | £80,500 | Flats · Leasehold | 581 sq ft · £138/sq ft | −5% vs 2013 |
| 25 Oct 2013 | £84,995 | Flats · Leasehold · New build | 581 sq ft · £146/sq ft | first recorded sale |
› 18 NG31 7WT · Flats £80,000· 12 Dec 2014 · 2 sales
| 12 Dec 2014 | £80,000 | Flats · Leasehold | 635 sq ft · £126/sq ft | first recorded sale |
| 23 Nov 2012 | £84,195 | Flats · Leasehold · New build | 635 sq ft · £133/sq ft | +5% vs 2014 |
› 1 NG31 7WT · Flats £86,495· 20 Dec 2013
| 20 Dec 2013 | £86,495 | Flats · Leasehold | 635 sq ft · £136/sq ft | first recorded sale |
› 10 NG31 7WT · Flats £85,995· 9 Dec 2013
| 9 Dec 2013 | £85,995 | Flats · Leasehold · New build | 635 sq ft · £135/sq ft | first recorded sale |
› 12 NG31 7WT · Flats £84,995· 25 Oct 2013
| 25 Oct 2013 | £84,995 | Flats · Leasehold · New build | 624 sq ft · £136/sq ft | first recorded sale |
› 15 NG31 7WT · Flats £84,995· 19 Jul 2013
| 19 Jul 2013 | £84,995 | Flats · Leasehold · New build | 635 sq ft · £134/sq ft | first recorded sale |
› 22 NG31 7WT · Flats £84,995· 23 May 2013
| 23 May 2013 | £84,995 | Flats · Leasehold | 635 sq ft · £134/sq ft | first recorded sale |
› 19 NG31 7WT · Flats £83,995· 8 Jun 2012
| 8 Jun 2012 | £83,995 | Flats · Leasehold · New build | 635 sq ft · £132/sq ft | first recorded sale |
› 20 NG31 7WT · Flats £87,300· 19 Dec 2011
| 19 Dec 2011 | £87,300 | Flats · Leasehold · New build | 635 sq ft · £137/sq ft | first recorded sale |
At your size
A 90 m² (970 sq ft) home in NG31 is worth roughly £182k–£260k at the district's typical £188–£268 per square foot (1,304 sales, two years) — a range, not a valuation.
Check your addressAll sold prices in Grantham· NG31 district on the Grantham page
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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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