-17.6% 5y IRR — capital outlay disproportionate to returns
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
−£16K/mo
You top up £16K/mo
Price
£3.95M
No local sold comps to compare
Return · IRR
-17.6%/yr
Loses money over 5 years
Cash to get in
£1.68M
Deposit + fees + refurb
5-yr return on cash -59%
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 (£)
No rent data — verify locally
Financing
DepositYour cash in — the rest is the mortgage25% · £987,500
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 (£30,584–£57,089 range), VAT-inclusive
Legal + survey (£)
Leasehold flat — £3,125 legal + £1,100 survey
Mortgage fees (£)
2% product fee on £2,962,500 loan + £1,000 booking fee
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)£1,678,003
Green = verified data. Amber = market typical. Red = our estimate — verify before offering.
About this propertydescription · rightmove
Description& agent copyRightmove
Occupying a commanding position on the preferred northern side of Hyde Park Square, this impressive first-floor apartment unfolds across 1,944 sq ft within a distinguished white stucco building. Generous proportions, ceilings heights that soar to almost 13 ft and a remarkable sense of light define the home, while views across the square's private gardens provide an exceptional backdrop.
The apartment is arranged laterally across a single floor, with a broad entrance hall lea…
Monthly profit −£16,440/mo at the default 25% deposit @ 5.5% — open the calculator to stress-test.
Price
£4.0M
Return before costs
—
rent unknown
Bedrooms
3
2 bath
Energy rating
—
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 (£)
No rent data — verify locally
Financing
DepositYour cash in — the rest is the mortgage25% · £987,500
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 (£30,584–£57,089 range), VAT-inclusive
Legal + survey (£)
Leasehold flat — £3,125 legal + £1,100 survey
Mortgage fees (£)
2% product fee on £2,962,500 loan + £1,000 booking fee
Housing-benefit (LHA) scheme detailBRMA Central London · cap £2,154/mo
Housing-benefit rent scheme detail
Per-BRMA Local Housing Allowance + per-LA council leasing scheme.
Rental Market Area (BRMA):
Central London
LHA monthly cap:
£2,154
Scheme type:
PSL
Premium:
+1500% premium over LHA cap
Typical lease:
0 years lease
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
£0
£4,722
£192,563
£0
£0
-£197,284
-£197,284
Year 2
£0
£4,863
£192,563
£0
£0
-£197,426
-£394,710
Year 3
£0
£5,009
£192,563
£0
£0
-£197,572
-£592,281
Year 4
£0
£5,159
£192,563
£0
£0
-£197,722
-£790,003
Year 5
£0
£5,314
£192,563
£0
£0
-£197,877
-£987,880
Rent by the roomupside
Tap to expand
Rent by the room conversion upside—▾
Required
Rooms (3+)3 bd
If converted
Gross Rent by the room yield—
What we verified
12 total
4107
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▾
EPCPostcode estimate — check the registerNot stated on the listing
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
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£38,513
Annual rental tax£0
CGT yr 5£0 · company level
5y net total-£987,880
Acquisition costs
£1.7M
25% deposit£987,500
Stamp duty£585,250
Refurb£40,778
Legal + survey£4,225
Mortgage + broker£60,250
Cash needed£1,678,003
Green = verified data. Amber = market typical. Red = our estimate — verify before offering.
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Description& agent copyRightmove
Occupying a commanding position on the preferred northern side of Hyde Park Square, this impressive first-floor apartment unfolds across 1,944 sq ft within a distinguished white stucco building. Generous proportions, ceilings heights that soar to almost 13 ft and a remarkable sense of light define the home, while views across the square's private gardens provide an exceptional backdrop.
The apartment is arranged laterally across a single floor, with a broad entrance hall lea…