What is the average house price in Theydon Bois?
£912,410

Average price per property type

Detached house illustration

Detached

£1,150,499

Semi-detached house illustration

Semi-Detached

£897,166

Terraced house illustration

Terraced

£755,000

Flats illustration

Flats

£334,000

Are prices going up or down?

Short term 📉

Prices decreased by £-137,670 (-13.11%) over the past year

APR 2025MAR 2026

Long term 📈

Prices increased by £253,140 (38.40%) over the past 10 years

MAR 2016MAR 2026

Quick answers for Theydon Bois

5 key facts at a glance.

Most expensive houses in Theydon Bois

The five highest recorded property sales in Theydon Bois.

View all expensive houses

Data sources

Location boundary data sourced from OpenStreetMap and price information is from HM Land Registry

Last updated at 20 May 2026 at 15:40 with the latest Land Registry data (March 2026). The Theydon Bois dataset covers 94 postcodes.

Read our full data methodology

Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.