Historic house · Grantham · Lincolnshire

Grantham House

Grantham House is a grade I listed historic house museum in Grantham, Lincolnshire. The site is looked after by the National Trust. A short trip away is Belton House, 3.5 km off, the first of 13 within 15 km.

Photo: Grantham House, Richard Croft (CC BY-SA 2.0)

Where

In Grantham

inside the built-up area

Run by

National Trust

a national heritage body

How well known

Top 23%

#1,932 of 8,556 places we list

Warmest months

Jun–Sep

highs of 19–22°C

In brief

Historic house in Grantham

Inside Grantham

Grantham House is inside Grantham’s built-up area, with 7 more places to visit within 5 km. Towns near it ↓

Cared for by the National Trust

One of the places the National Trust looks after; members usually get in free. About ↓

Grade I listed building

On the official list of protected heritage; Grantham has 203 listed buildings in all, on its History page. About ↓

Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.

When to go

Month by month in Grantham

Warmest in Grantham are June to September, at 19–22°C.

Jan7° / 1°51 mm

Feb8° / 1°44 mm

Mar10° / 2°41 mm

Apr13° / 4°45 mm

May16° / 7°49 mm

Jun19° / 10°61 mm

Jul22° / 12°60 mm

Aug22° / 12°60 mm

Sep19° / 10°55 mm

Oct14° / 7°66 mm

Nov10° / 4°60 mm

Dec7° / 1°62 mm

Green months are the warmest. Typical afternoon highs and night lows in Grantham, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Grantham. Opening times change through the year: check before you go. Grantham’s full climate →

About

Grantham House

Its story is told in 2 languages on Wikipedia.

Grantham’s listed buildings and monuments →

Type: Historic house
Run by: National Trust
Listed: Grade I listed building
Wikipedias: Covered in 2 languages
Town: in Grantham
Official site: nationaltrust.org.uk/grantham-house

Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).

The map

Around Grantham House, mapped

Each numbered point is one of the places listed below; Grantham House is the orange one.

Towns near it

Towns near Grantham House

With 44,906 people, Grantham is the largest of the 8. From nearest to farthest, these towns all list it.

1 · It’s in town

Grantham

44,906 people · 10 places to visit

2 · 2.2 km northwest of it

Great Gonerby

1,880 people · 7 places to visit

3 · 2.8 km west of it

Barrowby

2,041 people · 6 places to visit

4 · 4 km southwest of it

Harlaxton

846 people · 6 places to visit

Compare the 8 towns

Town	Where Grantham House is	People	Places to visit
Grantham	It’s in town	44,906	10
Great Gonerby	2.2 km northwest of it	1,880	7
Barrowby	2.8 km west of it	2,041	6
Harlaxton	4 km southwest of it	846	6
Barkston	5.7 km north of it	501	4
Denton	6 km southwest of it	277	3
Sedgebrook	6.2 km west of it	329	0
Ropsley	7.7 km east of it	635	1

Make a day of it

Other places close by

Within 15 km you can add 4 historic houses, 2 castles and a garden.

Historic house · National TrustBelton House3.5 km away 2

Historic houseBelvoir Castle9.8 km away 3

Historic houseHarlaxton Manor4.3 km away 4

Garden · National TrustWoolsthorpe Manor12 km away 5

MuseumGrantham Museum500 m away 6

Historic houseStoke Rochford Hall8.1 km away 7CastleCastleCastle Hill10 km away 8CastleCastleBoothby Hall7.8 km away

Within 15 km, close and well known first. Numbers match the map.

Visiting Grantham House

Where is Grantham House?

Grantham House is in Grantham, Lincolnshire, inside the town’s built-up area.

What is Grantham House?

Grade I listed historic house museum in Grantham, Lincolnshire, England, UK.

Who runs Grantham House?

National Trust, so members usually get in free; check opening times before you go.

When is the best time to visit Grantham House?

June to September are the warmest months in Grantham, with afternoon highs of 19–22°C (Met Office 1991–2020 averages).

Is Grantham House a listed building?

Yes: Grade I listed building.

What else is there to see near Grantham House?

Within 15 km: Belton House (3.5 km), Belvoir Castle (9.8 km), Harlaxton Manor (4.3 km) and Woolsthorpe Manor (12 km).

Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.

Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).

Photo credits (7)

Grantham House: Richard Croft, CC BY-SA 2.0, Wikimedia Commons
Belton House: Wehha, CC BY-SA 3.0, Wikimedia Commons
Belvoir Castle: Nancy, CC BY-SA 4.0, Wikimedia Commons
Harlaxton Manor: Kate Jewell, CC BY-SA 2.0, Wikimedia Commons
Woolsthorpe Manor: Hel-hama, CC BY-SA 3.0, Wikimedia Commons
Grantham Museum: Alan Murray-Rust, CC BY-SA 2.0, Wikimedia Commons
Stoke Rochford Hall: Alex McGregor, CC BY-SA 2.0, Wikimedia Commons

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.