Instant investment analysis for any property on rightmove

Our AI-powered browser extension gives accurate rental estimates, aggregate market intelligence, and risk flagging so you can find the best properties with the highest returns.

How it works

1

A download icon with a logo above it, featuring a dark blue house shape with a white cursive 'P' inside and an orange triangle at the bottom right corner.

Download Propeller from the Google Chrome store

2

Illustration of a computer monitor displaying the Rightmove logo and a property listing, surrounded by orange lines indicating activity or notification.

Propeller opens automatically on rightmove

3

Icon depicting financial concepts including a calculator, a bar chart, stacked coins, and a percentage symbol inside a house-shaped outline, with green checkmark and red cross below.

Use AI analysis ROI calculator to decide if the deal is worth it

  • <10s

    Avg. processing time

  • 93%

    Rental accuracy

  • 24/7

    Market monitoring

  • 1000x

    Faster than desk research

  • 2,900

    Avg. data points per property

Install on Chrome

Never miss a deal

save £1000’s on sourcing fees

A yellow multi-story residential building with several windows, some open, framed by green tree foliage against a blue sky.
Real estate market statistics showing 77% tenants, data about young families, professional couples, and low voids.

Calculate profits and optimise return

Colorful row of Victorian-style townhouses with bay windows in various colors including red, white, yellow, green, blue, and purple, under a partly cloudy sky.

Intelligent rental analysis

Rent analysis chart showing a gauge with a current rent of 1,225 GBP per calendar month, range from 985 GBP to 1,350 GBP, and a link to show 4 comparisons.

Estimates, comparisons and tenant profiles

A digital screen showing investment potential with a score of 68 percent. The description indicates it is suited for long-term tenants, with stable rental demand and low risk of voids. Features include icons with labels such as high return, turnkey, tenant in situ, low voids, low EPC, and old building.

avoid problems early on

List of red flags for home inspections, including systems, interior condition, due diligence, and aging homes.
Yellow wooden house with white window frames, partially obscured by leafy branches with red berries in the foreground, blue sky with some clouds overhead.
Property details for a house in Chorlton, 82 percent, close to Metrolink and amenities, no vendor chain, family-friendly off-road parking and garden, separate lounge, dining, and kitchen areas.

Clear the path to your next investment

Financial report showing a very high return score of 82 out of 100, with rent of 1025 British pounds, profit of 835 British pounds, investment of 54.2 thousand British pounds, ROCE of 10.1 percent, and ratings highlighted in green and white.
Modern kitchen with black cabinets, granite countertops, stainless steel appliances, a small breakfast table with two chairs by a large window, and a cityscape view.
Digital illustration of a real estate investment dashboard showing house listings, investment details, and profit calculations.

Frequently asked questions

  • Propeller is Chrome plugin that contains several features to help you analyse the investment potential of a property. You must install it from the Chrome store and it will open automatically on the search results page and property listings page of Rightmove and Zoopla.

    • Qualitative and quantitative rental analysis including range, specific estimate, comparisons, tenant profiles and local demand.

    • Property analysis including any red flags detected in the property description and any glaring omissions.

    • Cashflow calcualtor with custom defaults and inputs to let you instantly compare rough ROCE and profitability of several properties at once.

    • Saved properties list so you can collect properties as you sift.

    • Propeller pulls all the key information from a property listing and uses a combination of market data and LLM processing to generate potential rental range based on comparable properties and a “best guess” estimate based on the information available on the listing.

    • Propeller uses the same technique to analyse the property details and location to formulate tenant profiles and detect red flag with the property.

    • Important: It is NOT financial advice.

  • We regularly compare recent property listings with other market-leading property data platforms. The 2 most popular providers achieve between 84-86% efficacy, Propeller’s AI-powered rental estimate achieves around 93% efficacy.