1, Middle Grass, NN9 5TW

1 Middle Grass is a 107 m² / 1,152 sq ft detached home in Irthlingborough. It sold for £305,000 in May 2026. Indexed forward to today's value, that sale is roughly £299k. Recent local prices imply a broad valuation context of £253k to £350k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
May 2026 £305,000 3.4% 0.5%
Jun 2011 £185,000 3.4% 1.0%
Sep 2002 £137,500 na na
Jul 2002 £118,000 6.1% 4.5%
Feb 1999 New build New £96,500 na na
Internal area
107 square metres (1,152 square feet) according to latest EPC inspection
Price per internal area

This property sold for £2,850 per square metre (£265 per square foot) in May 2026. Indexed forward to today's value, this is roughly £2,795 per square metre (£260 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
May 2026 £305,000 £2,850 £299,057 £2,795
Jun 2011 £185,000 £1,729 £337,689 £3,156
Sep 2002 £137,500 £1,285 £347,568 £3,248
Jul 2002 £118,000 £1,103 £298,276 £2,788
Feb 1999 £96,500 £902 £340,230 £3,180

Calculated using the latest EPC internal area of 107 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £299,057. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Irthlingborough are now selling for between £2,360 and £3,270 per square metre (£219 and £303 per square foot). Based on an internal area of 107 m², this implies a valuation between £253,000 and £350,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
5
Type
Detached
Council tax band
D
Plot size
340 square metres (3,660 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 1 Middle Grass. Advertised on multiple portals. It was reduced on 27/01/2011. It last appeared Jul 2011.
Photos:

There are 6 archived estate agent listing photos for 1 Middle Grass.

Photos for 1 Middle Grass
View photos
Advertiser remarks:
  • 4 bedrooms
EPC Inspections
Summary:
12 February 2026 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 6 habitable rooms. Estimated year built 1996 to 2002
Area:
107 sqm (1,152 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
Summary:
15 October 2009 - energy performance certificate grade C
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 6 habitable rooms. Estimated year built 1996 to 2002
Area:
95 sqm (1,023 square foot) total internal area
Comments:
Frequently asked questions

1 Middle Grass is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £299,057.
  • Based on an internal area of 107 m² and recent prices in Irthlingborough, this implies a lower and upper quartile range from £253,000 to £350,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1 Middle Grass last sold for £305,000 in May 2026.

HouseMetric shows 1 Middle Grass as 107 m² (1,152 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 5 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 12 February 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 1 Middle Grass was in council tax band D. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

1 Middle Grass is in postcode NN9 5TW, in Irthlingborough. You can also view HouseMetric's sold-price page for Middle Grass, NN9 5TW or analysis of the Irthlingborough property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 4 August 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.