23, Middle Grass, NN9 5TW

23 Middle Grass is a 69 m² / 743 sq ft semi-detached home in Irthlingborough. It sold for £140,000 in March 2016. Indexed forward to today's value, that sale is roughly £224k. Recent local prices imply a broad valuation context of £163k to £226k 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
Mar 2016 £140,000 10.6% 10.0%
Mar 2014 £115,000 -1.9% -4.4%
Apr 2007 £131,000 7.1% 3.9%
Feb 2006 £121,000 11.6% 9.9%
Oct 2001 £75,000 7.5% 6.0%
Jun 1998 New build New £58,950 na na
Internal area
69 square metres (743 square feet) according to latest EPC inspection
Price per internal area

This property sold for £2,028 per square metre (£188 per square foot) in Mar 2016. Indexed forward to today's value, this is roughly £3,240 per square metre (£301 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2016 £140,000 £2,029 £223,593 £3,240
Mar 2014 £115,000 £1,667 £224,361 £3,252
Apr 2007 £131,000 £1,899 £228,403 £3,310
Feb 2006 £121,000 £1,754 £242,834 £3,519
Oct 2001 £75,000 £1,087 £275,460 £3,992
Jun 1998 £58,950 £854 £278,446 £4,035

Calculated using the latest EPC internal area of 69 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 £223,593. 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 69 m², this implies a valuation between £163,000 and £226,000. 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
3
Type
Semi-detached
Council tax band
C
Plot size
182 square metres (1,959 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 23 Middle Grass. Advertised on multiple portals. It was reduced on 21/03/2013. It last appeared Mar 2014.
Photos:

There are 8 archived estate agent listing photos for 23 Middle Grass.

Photos for 23 Middle Grass
View photos
Advertiser remarks:
  • 3 bedrooms
EPC Inspections
Summary:
18 February 2011 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Unknown
Property type:
Semi-Detached House , has 4 habitable rooms. Estimated year built 1996 to 2002
Area:
69 sqm (743 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

23 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 £223,593.
  • Based on an internal area of 69 m² and recent prices in Irthlingborough, this implies a lower and upper quartile range from £163,000 to £226,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 23 Middle Grass last sold for £140,000 in March 2016.

HouseMetric shows 23 Middle Grass as 69 m² (743 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 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 18 February 2011. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 23 Middle Grass was in council tax band C. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

23 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.