BTLTool icon

BTLTool

by BTLTool · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 20 Oct 2026

Analyse Rightmove properties with BTLTool — calculate rental yield, mortgage costs, tax and cash flow for buy-to-let investments.

Users
7
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#226K
#189K among extensions
Version
0.0.8
updated 8 Sep 2026

Users

monthly, 2 months
047Sep 2026Oct 2026Oct 2026
Latest, 20 Oct 2026: 7 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months
001Sep 2026Oct 2026Oct 2026
Latest, 20 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About BTLTool

BTLTool — the buy-to-let investment calculator and analysis tool for Rightmove. BTLTool helps UK property investors quickly analyse potential buy-to-let properties on Rightmove, giving you the key investment numbers while you browse property listings. See the key numbers at a glance, including: • Purchase price • Interest rate and mortgage assumptions • Rental yield and estimated rent • Deposit and mortgage amount • Estimated refurbishment costs • Tax bracket and ownership type • Taxable profit and estimated tax • Annual after-tax cash flow • Purchase tax by UK region: • SDLT — England and Northern Ireland • LBTT — Scotland • LTT — Wales • Deal score Adjust the key assumptions using simple controls and instantly see how the numbers change. Compare Personal and LTD Company scenarios to help understand the potential economics of a UK buy-to-let property investment. BTLTool is designed for the initial assessment of UK buy-to-let opportunities on Rightmove, helping investors quickly identify properties that may be worth investigating further. Important: BTLTool provides estimates and calculations for informational purposes only. It does not provide financial, mortgage, tax, accounting or legal advice. Always verify figures and assumptions independently before making an investment decision.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+1+16.7%00.00

Version history

4 versions recorded
0.0.88 Sep 2026
0.0.77 Sep 2026
0.0.63 Sep 2026
0.0.41 Sep 2026

Details

Category
Tools
First seen
1 Sep 2026
Size
22 KB
Languages
en-GB
Pricing
Free
Privacy policy
btltool.co.uk
Support
btltool.co.uk
Extension ID
dmmhbjfhigpdpielmhipgadmcapdaffj

Permissions and risk

Moderate riskimpact 1, likelihood 3
Site access
https://api.postcodes.io/*

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