Town Report5 min readUpdated April 2026

Grantham Property Market: House Prices, Sold Data & Development Finance (2026)

Median price £215,000, 805 sales, -6.5% YoY. Lincolnshire county.

ML

Matt Lenzie

Founder, Construction Capital

Published 8 April 2026

Grantham Property Market Overview

ECML market town with major southern growth area and fast London services

The Grantham property market recorded 805 residential sales over the past 12 months, with a median sale price of £215,000. This places Grantham £3k above the Lincolnshire county median of £212,500, and £70k below the UK national median of £285,000.

Prices in Grantham have shown a notable decline, with a year-on-year change of -6.5%. Within Lincolnshire, Grantham ranks 4th by price out of 8 principal towns, and 6th by transaction volume.

Grantham House Prices by Property Type

Property prices in Grantham vary significantly by type. The table below compares Grantham prices with Lincolnshire county averages and UK national figures.

TypeGranthamLincolnshire AvgUK Avg
Detached£325,000£287,500£420,000
Semi-detached£200,000£192,500£265,000
Terraced£170,000£153,500£230,000
Flat£110,000£107,500£225,000

Detached homes in Grantham command £325,000, while flat properties are most accessible at £110,000. The £215k spread between the most and least expensive types indicates a diverse market with opportunities across the development spectrum.

Median Price by Property Type

New Build Homes in Grantham

Grantham recorded 49 new-build transactions in the past 12 months, representing 6.1% of total sales. This indicates meaningful developer activity and proven buyer demand for new homes in the area.

New-build properties in Grantham traded at a premium of 33.0% versus existing stock. This premium supports the viability of new development, as buyers are willing to pay more for new homes.

Across the wider Lincolnshire market, 352 new-build completions were recorded — see our Lincolnshire property market report for the full county picture.

Recent Property Sales in Grantham

The following table shows the most recent property transactions recorded in Grantham, providing real-time evidence of achieved prices for buyers, sellers, and developers:

PriceTypePostcodeDateStatus
£260,000Semi-detachedNG31 8EB2026-02-20Existing
£657,500DetachedNG32 2DS2026-02-20Existing
£327,000TerracedNG31 9DS2026-02-16Existing
£497,000Semi-detachedNG31 8DL2026-02-16Existing
£180,000TerracedNG31 8GX2026-02-13Existing

These transactions are sourced from HM Land Registry Price Paid data and represent completed, registered sales. The range from £180,000 to £657,500 illustrates the breadth of the Grantham market.

Development Finance in Grantham

For developers considering Grantham, the local market data translates directly into finance structuring. With a median value of £215,000 and detached homes at £325,000, lenders can assess scheme viability with confidence.

A typical development finance facility for a Grantham scheme with a GDV of £325,000 would attract senior debt of approximately £211,250 at 65% LTGDV. Mezzanine finance can stretch total borrowing to 85-90% of costs, while bridging loans enable rapid site acquisitions completing in as little as 5 working days.

While prices have softened 6.5% year-on-year, experienced developers can still generate strong returns in Grantham by targeting well-located sites with clear demand drivers.

Ready to develop in Grantham? Submit your scheme for indicative terms within 24 hours from our panel of 100+ lenders.

Grantham Compared to Nearby Lincolnshire Towns

To put Grantham's market in context, the table below compares it with similarly-priced towns across Lincolnshire:

TownMedian PriceSales (12m)YoY Change
Grantham£215,000805-6.5%
Gainsborough£210,0001,180-5.5%
Spalding£220,0001,109-5.4%
Skegness£204,9981,632-5.2%
Sleaford£238,9981,426+1.7%
Boston£187,000655-6.3%

For the full Lincolnshire town-by-town breakdown, see our comprehensive Lincolnshire property market report.

Frequently Asked Questions

What is the average house price in Grantham?

The median house price in Grantham is £215,000, based on 805 transactions over the past 12 months. Detached homes average £325,000 while flat properties average £110,000.

Are house prices rising or falling in Grantham?

House prices in Grantham are falling at -6.5% year-on-year. This decline may present buying opportunities for investors and developers. The wider Lincolnshire market is falling at -4.4%.

How many properties sold in Grantham recently?

Grantham recorded 805 residential property sales in the past 12 months. This high volume indicates a liquid, active market.

What development finance is available for projects in Grantham?

Developers in Grantham can access development finance from 6.5% p.a. at 65-70% LTGDV, mezzanine finance stretching to 85-90% of costs, bridging loans completing in 5-10 days, and development exit finance. Construction Capital sources the best terms from 100+ lenders.

Ready to Develop?

Tell us about your project and we'll source the best terms from our panel of 100+ lenders. Indicative terms within 24 hours.