Fort · near South Merstham · Surrey

Alderstead Fort

Alderstead Fort is a fort in Reigate and Banstead, Surrey. It lies 900 m north of South Merstham. Officially, it is a scheduled monument.

Where

900 m

north of South Merstham

Warmest months

May–Sep

highs of 17–22°C

In brief

Fort near South Merstham

Just outside South Merstham

Alderstead Fort is 900 m north of South Merstham. Towns near it ↓

Scheduled monument

On the official list of protected heritage; South Merstham has 33 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 South Merstham

If warmth matters, go May to September: South Merstham reaches 17–22°C.

Jan8° / 2°87 mm

Feb8° / 2°64 mm

Mar11° / 3°50 mm

Apr14° / 5°52 mm

May17° / 7°52 mm

Jun20° / 10°52 mm

Jul22° / 12°57 mm

Aug22° / 12°62 mm

Sep19° / 10°61 mm

Oct15° / 8°90 mm

Nov11° / 4°92 mm

Dec8° / 2°90 mm

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

About

Alderstead Fort

Look also at Nonsuch Palace, 11 km away, first of 70 more within 15 km.

South Merstham’s listed buildings and monuments →

Type: Fort
Listed: Scheduled monument
Town: 900 m north of South Merstham

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

The map

Where to find Alderstead Fort

Orange is Alderstead Fort; numbered in green, the places near it.

Towns near it

Nearby towns

Croydon is the biggest of the 8 bases nearby (389,242 people). Nearest first, every town here counts it among its places to visit.

1 · 900 m south of it

South Merstham

9,953 people · 13 places to visit

2 · 1.1 km northwest of it

Hooley

1,010 people · 4 places to visit

3 · 1.4 km north of it

Netherne on-the-Hill

1,475 people · 3 places to visit

4 · 1.4 km east of it

Chaldon

1,441 people · 6 places to visit

Compare the 8 towns

Town	Where Alderstead Fort is	People	Places to visit
South Merstham	900 m south of it	9,953	13
Hooley	1.1 km northwest of it	1,010	4
Netherne on-the-Hill	1.4 km north of it	1,475	3
Chaldon	1.4 km east of it	1,441	6
Gatton	2.1 km southwest of it	595	10
Redhill	2.4 km south of it	32,516	11
Chipstead and Woodmansterne	2.4 km north of it	4,523	10
Croydon	2.5 km north of it	389,242	49

Make a day of it

Next door to Alderstead Fort

Also close at hand are 3 historic houses, 2 gardens and a theme park, among 70 within 15 km.

Historic houseNonsuch Palace11 km away 2

Historic houseAddington Palace12 km away 3

Theme parkChessington World of Adventures15 km away 4

CastleBetchworth Castle11 km away 5

Garden · National TrustSelsdon Wood9.8 km away 6

Historic houseTitsey Place11 km away 7

Abbey or prioryReigate Priory Museum6.2 km away 8

GardenCroham Hurst9.6 km away

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

Your questions on Alderstead Fort

Where is Alderstead Fort?

Alderstead Fort is 900 m north of South Merstham, Surrey.

What is Alderstead Fort?

Fort in Reigate and Banstead, Surrey, England, UK.

When is the best time to visit Alderstead Fort?

May to September are the warmest months in South Merstham, with afternoon highs of 17–22°C (Met Office 1991–2020 averages).

Is Alderstead Fort a listed building?

Yes: scheduled monument.

What else is there to see near Alderstead Fort?

Within 15 km: Nonsuch Palace (11 km), Addington Palace (12 km), Chessington World of Adventures (15 km) and Betchworth Castle (11 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 (8)

Nonsuch Palace: Joris Hoefnagel, Public domain, Wikimedia Commons
Addington Palace: Dieter Simon at English Wikipedia (Original text: Dieter Simon Dieter Simon), Public domain, Wikimedia Commons
Chessington World of Adventures: Jeremy Thompson, CC BY 2.0, Wikimedia Commons
Betchworth Castle: Peter van der Linden, CC BY-SA 3.0, Wikimedia Commons
Selsdon Wood: Philip Talmage, CC BY-SA 2.0, Wikimedia Commons
Titsey Place: Anthony Whitworth, CC BY-SA 3.0, Wikimedia Commons
Reigate Priory Museum: Ian Capper, CC BY-SA 2.0, Wikimedia Commons
Croham Hurst: Dudley Miles, CC BY-SA 3.0, 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.