The property potential platform
Find hidden
value in
any home.
Explore what you could change, what it might cost and the value it could add. Paste a listing, upload a floorplan or photograph a room.
Your home, analysed
Start with any home.
One link, floorplan or scan returns the four numbers that matter before you commit.
- 01Extendable area
- 02Indicative build cost
- 03Planning likelihood
- 04Value after works
Start with your property
The mobile app
Property intelligence in your pocket.
Everything SQFT+ knows about a home, on the doorstep. Analyse, compare and ask questions as you go.
- 1
Analyse on the viewing
Photograph the agent's floorplan or paste the listing and see the potential before you leave the house.
- 2
Compare what you've seen
Save homes and line them up side by side by potential, indicative cost and location.
- 3
Ask Otto anything
Otto answers questions about extensions, planning and costs in plain English, wherever you are.
Free to download on iOS and Android.
Illustrative example
Meet Otto
Ask Otto what a home could become.
Otto is the SQFT+ assistant. Ask about extensions, planning, costs or what to look for on a viewing and get a straight answer.
- Explains extension types, permitted development and when planning permission is usually needed.
- Talks through cost drivers and what tends to move a valuation, in plain English.
- Knows the limits: Otto gives general guidance and points you to the right professional for anything decision-critical.
Otto
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Who it's for
One engine. Three markets.
The same property intelligence powers buyers deciding what to offer, agents winning instructions and builders quoting qualified projects.
For buyers & homeowners
Every house has hidden value. sqft+ finds it.
Whether you're weighing up an offer or wondering if an extension stacks up, sqft+ shows what a home could become before you commit to what comes next: the space you could add, what it might cost, whether planning is likely and what it could do to the value.
Paste a listing, upload a floor plan or scan your home. Unlock the full appraisal for a one-off £14.99.
- 01
See what could be added
Extensions, loft and basement conversions and reconfigurations, mapped onto your floor plan.
- 02
Understand likely costs
Postcode-level indicative build costs so you set realistic expectations from day one.
- 03
Check planning upfront
Likelihood of approval based on local policy, constraints and nearby precedents.
- 04
Know the post-works value
Potential future value based on comparable sold properties and market data.
For estate agents
Better insights. Brighter opportunities.
Traditional valuations tell clients what a property is worth today. sqft+ goes further, so you can bring hidden potential to life, create more compelling conversations and win more instructions as the go-to advisor for property potential.
Unlimited property analyses, support and onboarding. Qualified leads from £99 each, pay only for what converts.
Enquire- 01
Attract more listings
Show homeowners what's possible and win instructions with data-driven insight.
- 02
Client-facing reports
Branded, easy-to-understand appraisals that impress homeowners and differentiate your pitch.
- 03
Create new revenue
Access qualified buyer and developer leads exploring options in your area.
- 04
Save time
Instant analysis of extensions, conversions and development potential in seconds.
- 05
Achieve higher values
Identify and showcase value uplift opportunities on every instruction.
- 06
Build long-term relationships
Be the trusted advisor before, during and beyond the sale.
For builders & trade partners
The homeowner already knows what they want to build. Now they need you.
Every sqft+ lead has already been analysed, scoped and qualified. You receive a detailed project brief, not just a phone number, from homeowners who understand what they could build, what it may cost and are ready to take the next step.
2 months free. No pay-per-lead fees. Cancel monthly. One worthwhile project changes the economics completely.
Sign up- 01
Highly qualified leads
Homeowners who own the property or have an accepted offer and have requested builder contact.
- 02
Substantial projects
Extensions, lofts, basements and larger renovations above our minimum project value.
- 03
Your area, your work
Set your coverage area and project types. Relevant leads, not random leads.
- 04
Vetted network
Trading history, insurance, accreditations and references checked. Not everyone gets in.
The browser extension
See the potential while you browse.
Install the SQFT+ extension and every listing you open shows what the home could become, what it might cost, and how similar homes have sold.
Appears on the listing
A side panel opens beside any Rightmove or Zoopla listing, so you never leave the page.
Reads the floorplan for you
SQFT+ picks up the agent's floorplan and photos automatically and works out what could change.
Private by design
Only the listing you are viewing is analysed. Nothing else about your browsing is collected.
Chrome, Edge and Arc
Coming soonSafari and Firefox will follow shortly after launch.
Join the extension waitlist
The property potential platform
Unlock what's possible.
Powered by AI. Backed by real data. Built for homeowners, agents and the trades who bring potential to life.