Monthly profit +£359/mo from completion — the no.1 reason to invest
9.49% return before costs — above-market
Priced below market -16% vs 12 nearby sold (last 12 mo) — instant equity
Stress Rent-covers-mortgage check PASS at 6.5% rate stress — lender-friendly
Why to be cautious
Service charge unknown — could swing £100-300/mo
No rent comparables — estimate is a rule-of-thumb fallback, not market data. Verify the rent locally before offering.
Property research tool — not a regulated financial service. Numbers are point-in-time estimates; how we decide →
Monthly cashflow
+£359/mo
Pays you every month, net of costs
Price vs market
Below market value
-16% vs 12 sold · interior unseen
Return · IRR
3.1%/yr
Modest annualised return
Cash left in
£93K
Stays in after refinancing at value
Price £350KCash to buy £145KReturn before costson price9.49%5-yr return on cash 23%Rent est. £2,768 (£2,501–£3,064)
How we define each return:On price — gross yield = annual rent ÷ purchase price.On cost — net yield ÷ total project cost (price + refurb + fees).On cash — cash-on-cash & ROI ÷ the actual cash you put in (deposit + costs).
Listing seen …
What-if calculator
Edit any input — outputs recalc liveRates as of 20 May 2026
Buy-to-Let. Standard rental on an Assured Shorthold Tenancy. Single household, market rent, paid monthly direct to landlord (or via agent). (hover any strategy tab for pros + cons)
Offer (£)
Monthly rent (£)
Local comp range: £2,501–£3,064/mo · n=62
Financing
DepositYour cash in — the rest is the mortgage25% · £87,488
5%100% (cash buy)
Standard 75% LTV for BTL
Mortgage rate5y fixed5.8%
3.0%9.0%
5-year fixed at 75% LTV — 5.75% (as of 2026-05-20).
Mortgage term (years)
Stress rate6.5%
5.0%9.0%
BoE base + 2pp stress (6.5%)
Acquisition costs
Refurb (£)
Per-property refurb estimate from the element rate-card model (£17,630–£32,908 range), VAT-inclusive
Legal + survey (£)
Leasehold flat — £1,875 legal + £650 survey
Mortgage fees (£)
2% product fee on £262,462.5 loan + £1,000 booking fee
Running costs
Management10%
0%20%
Typical BTL agency rate
Void weeks
Typical voids for BTL
Insurance (£/mo)
Typical BTL building+landlord cover for £200K–£400K
We don't ingest the NHLE bulk register, so we can't flag listed-building or conservation-area status for this address from our data alone. Use the official registry to verify before exchanging.
Total cash neededdeposit + costs (loan covers the rest)£144,763
Green = verified data. Amber = market typical. Red = our estimate — verify before offering.
About this propertydescription · zoopla
Description& agent copyZoopla
A three double bedroom ground floor apartment offered to the market with no onward chain. Benefitting from communal gardens this property is not to missed.
Sontan Court is in a quiet residential road close to Twickenham Green and half a mile from a mainline station making it a great all rounder.
Tenure: Leasehold Lease Years Remaining: 135
Service Charge: £1,250
Annual Ground Rent: £0
Council Tax Band: D
Information contained within this listing is for guidance only and sh…
Priced below market -16% vs 12 nearby sold (last 12 mo)
Monthly profit+£359/mo at 25% deposit @ 5.5%
Stress Rent-covers-mortgage check PASS at 6.5% rate stress
9.49% Return before costs — above-market
Price
£350K
16% below sold comps
Return before costs
9.49%
est rent £2,768/monot enough comparablesRange £2,501–£3,064/mo (Q1–Q3)
Bedrooms
3
1 bath
Energy rating
C
Energy rating
Run the numbers
Each tab prefills
What-if calculator
Edit any input — outputs recalc liveRates as of 20 May 2026
Buy-to-Let. Standard rental on an Assured Shorthold Tenancy. Single household, market rent, paid monthly direct to landlord (or via agent). (hover any strategy tab for pros + cons)
Offer (£)
Monthly rent (£)
Local comp range: £2,501–£3,064/mo · n=62
Financing
DepositYour cash in — the rest is the mortgage25% · £87,488
5%100% (cash buy)
Standard 75% LTV for BTL
Mortgage rate5y fixed5.8%
3.0%9.0%
5-year fixed at 75% LTV — 5.75% (as of 2026-05-20).
Mortgage term (years)
Stress rate6.5%
5.0%9.0%
BoE base + 2pp stress (6.5%)
Acquisition costs
Refurb (£)
Per-property refurb estimate from the element rate-card model (£17,630–£32,908 range), VAT-inclusive
Legal + survey (£)
Leasehold flat — £1,875 legal + £650 survey
Mortgage fees (£)
2% product fee on £262,462.5 loan + £1,000 booking fee
Running costs
Management10%
0%20%
Typical BTL agency rate
Void weeks
Typical voids for BTL
Insurance (£/mo)
Typical BTL building+landlord cover for £200K–£400K
Short-let (SA) context284 active short-lets nearby
Short-let market context
Local nightly-rate and occupancy benchmarks for this postcode.
284 active short-let listings in this postcode
Housing-benefit (LHA) scheme detailBRMA Outer South West London · cap £1,795/mo
Housing-benefit rent scheme detail
Per-BRMA Local Housing Allowance + per-LA council leasing scheme.
Rental Market Area (BRMA):
Outer South West London
LHA monthly cap:
£1,795
Scheme type:
leasing
Premium:
+0% premium over LHA cap
Management:
management covered by council
Year-by-year Monthly profit (5-yr horizon)
Net Monthly profit after tax. Rent + costs compound at their growth rates; mortgage principal amortises year-by-year for repayment loans.
Mortgage paydownRent profitbefore price growth
Full year-by-year breakdown
Year
Gross Rent
Op Costs
Mortgage
Equity Built
Tax
Net
Cumulative
Year 1
£33,216
£9,560
£17,060
£0
£1,253
£5,343
£5,343
Year 2
£34,212
£9,847
£17,060
£0
£1,388
£5,918
£11,261
Year 3
£35,239
£10,142
£17,060
£0
£1,527
£6,510
£17,770
Year 4
£36,296
£10,446
£17,060
£0
£1,670
£7,120
£24,890
Year 5
£37,385
£10,760
£17,060
£0
£1,817
£7,748
£32,638
Rent by the roomupside
Tap to expand
Rent by the room conversion upside—▾
Required
Rooms (3+)3 bd
Conversion£30,000
If converted
Gross / mo£2,478
Gross Rent by the room yield8.50%
What we verified
12 total
5106
Legal & planning4▾
Article 4HMO restriction lookupUnknown
Rent by the room licensingMandatory if 5+ unrelatedCheck LPA
TenureTenure typeLeasehold
HeritageListed building / conservation areaNot stated on the listing
Building condition3▾
EPCEnergy efficiency ratingC
EWS1External wall safety (cladding)Not stated on the listing
Refurb costBased on beds + baths + sqftEstimate available
Area3▾
Crimepolice.uk · monthlyChecking…
SchoolsGIAS · OfstedChecking…
FloodEA Flood Map · England onlyChecking…
Investor profile2▾
Tenant profileBeds + postcode heuristicFamily / Rent by the room
Rent by the room feasibilityMin 3 beds for C4 routeFeasible
Comparables
sold within 0.5 mi
Wide · CV 18.2%Med confidence
Loading nearby sold…
Location & transport
Score 90/100
Loading map…
PropertySchoolsUniversitiesStationsArticle 4
Transport detail not loaded for this property.
Tax & exit
Ltd Co
Tax bandLtd Co 25%
Mortgage-interest tax rule credit£3,412
Annual rental tax£1,011
CGT yr 5£0 · company level
5y net total£32,638
Acquisition costs
£145K
25% deposit£87,488
Stamp duty£24,995
Refurb£23,506
Legal + survey£2,525
Mortgage + broker£6,249
Cash needed£144,763
Green = verified data. Amber = market typical. Red = our estimate — verify before offering.
Make an offer
Pro analysis — outcome range, stress tests & portfolio impact
Your notes
Auto-saves
Description& agent copyZoopla
A three double bedroom ground floor apartment offered to the market with no onward chain. Benefitting from communal gardens this property is not to missed.
Sontan Court is in a quiet residential road close to Twickenham Green and half a mile from a mainline station making it a great all rounder.
Tenure: Leasehold Lease Years Remaining: 135
Service Charge: £1,250
Annual Ground Rent: £0
Council Tax Band: D
Information contained within this listing is for guidance only and sh…