-3.3% 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.
EPC band not stated — verify the certificate before offering (2030 MEES minimum is band C).
Property research tool — not a regulated financial service. Numbers are point-in-time estimates; how we decide →
Monthly cashflow
−£508/mo
You top up £508/mo
Price
£600K
No local sold comps to compare
Return · IRR
-3.3%/yr
Loses money over 5 years
Cash to get in
£237K
Deposit + fees + refurb
Return before costson price · Rent by the room5.75%5-yr return on cash -7%Rent est. £2,694 (£2,098–£3,459)
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: £2,098–£3,459/mo · n=11
Financing
DepositYour cash in — the rest is the mortgage25% · £150,000
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 (£17,854–£33,327 range), VAT-inclusive
Legal + survey (£)
Standard house — £1,900 legal + £1,000 survey
Mortgage fees (£)
2% product fee on £450,000 loan + £1,000 booking fee
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
£32,328
£7,929
£29,250
£0
£0
-£4,851
-£4,851
Year 2
£33,298
£8,167
£29,250
£0
£0
-£4,119
-£8,969
Year 3
£34,297
£8,412
£29,250
£0
£0
-£3,365
-£12,334
Year 4
£35,326
£8,664
£29,250
£0
£0
-£2,588
-£14,922
Year 5
£36,385
£8,924
£29,250
£0
£0
-£1,788
-£16,711
Year 5 disposal
Disposal gain (gross)-£30,818
CGT£0
Net Disposal proceeds£645,887
What we verified
What we verified
12 total · click to expand
50075 ok · 0 caution · 0 fail · 7 unknown
Legal & planning
LeaseholdFreeholdTenure & planningFreehold
Legal & planning
2 checks
TenureUnknown
Lease lengthUnknown
Council planning restrictionUnknown
Council planning restrictionRent by the room conversion gatePlanning data
Conversion approvability
Per-property planning assessment
Likely approvable83% likely
Confidence: low
•Article 4 direction applies — planning permission required for C3->C4 HMO
•no known HMOs within 50m (below threshold)
•local council HMO approval rate 83% (446 decisions)
•NO HMO concentration data for this council: neither a licensed register nor granted change-of-use decisions nearby. This is ABSENCE OF DATA, not absence of HMOs — verify with the council before relying on it
Rent by the room concentration nearby
≈0.0% within 50 m vs 10% policy
Rent by the room restriction
C3 to C4 conversion
Unknown
Confidence
low
Source
No LPA data for this prefix
Rates as of May 2026
Building condition
Energy ratingUnknown
EPC& 2030 deadlineEPC register
EPC band not available in the listing. The 2030 MEES minimum is band C — verify the certificate before offering.
EPC band from listing · verify certificate before exchanging
Cladding safety certificateNot stated on the listingHeritageNot stated on the listing
Heritage& planning constraintsNHLE register
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)£236,705
Green = verified data. Amber = market typical. Red = our estimate — verify before offering.
About this propertydescription · rightmove
Description& agent copyRightmove
"The Old House"
This striking, detached double fronted Grade II cottage with detached self-contained annex occupies a wonderful setting on the periphery of this most desirable village, the idyllic Church to the front provides a lovely outlook whilst to the rear the significant rear garden is a relaxing place to be. The interior enjoys a lovely feel, the living room with feature fireplace and the warmth of a living flame coal effect gas fire, the formal dining room is the pe…
THE OLD HOUSE, MAIN STREET, HANNINGTON, NORTHAMPTON, NN6 9SU
detached · 5 bed · 3 bath
£600,000
est £2,694 · 5.39% gross
Listed building
1 / 41
17/100
Marginal
5.75% — verify the rent + comps locally.
5.39% Return before costs — around the area average for this property type.
Monthly profit −£508/mo at the default 25% deposit @ 5.5% — open the calculator to stress-test.
Price
£600K
Return before costs (best)
5.75%
Rent by the room
Bedrooms
5
3 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 (£)
Local comp range: £2,098–£3,459/mo · n=11
Financing
DepositYour cash in — the rest is the mortgage25% · £150,000
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 (£17,854–£33,327 range), VAT-inclusive
Legal + survey (£)
Standard house — £1,900 legal + £1,000 survey
Mortgage fees (£)
2% product fee on £450,000 loan + £1,000 booking fee
Housing-benefit (LHA) scheme detailBRMA Northampton · cap £1,157/mo
Housing-benefit rent scheme detail
Per-BRMA Local Housing Allowance + per-LA council leasing scheme.
Rental Market Area (BRMA):
Northampton
LHA monthly cap:
£1,157
Scheme type:
leasing
Premium:
+0% 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
£32,328
£7,929
£29,250
£0
£0
-£4,851
-£4,851
Year 2
£33,298
£8,167
£29,250
£0
£0
-£4,119
-£8,969
Year 3
£34,297
£8,412
£29,250
£0
£0
-£3,365
-£12,334
Year 4
£35,326
£8,664
£29,250
£0
£0
-£2,588
-£14,922
Year 5
£36,385
£8,924
£29,250
£0
£0
-£1,788
-£16,711
Rent by the roomupside
Tap to expand
Rent by the room conversion upside—▾
Required
Rooms (3+)5 bd
Conversion£42,000
If converted
Gross / mo£2,875
Gross Rent by the room yield5.75%
What we verified
12 total
5016
Legal & planning4▾
Article 4HMO restriction lookupUnknown
Rent by the room licensingMandatory if 5+ unrelatedMandatory
TenureTenure typeFreehold
HeritageListed building / conservation areaListed
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 heuristicRent by the room / sharers
Rent by the room feasibilityMin 3 beds for C4 routeFeasible
Comparables
sold within 0.5 mi
Loading nearby sold…
Location & transport
Score 100/100
Loading map…
PropertySchoolsUniversitiesStationsArticle 4
Transport detail not loaded for this property.
Tax & exit
Ltd Co
Tax bandLtd Co 25%
Mortgage-interest tax rule credit£5,850
Annual rental tax£0
CGT yr 5£0 · company level
5y net total-£16,711
Acquisition costs
£237K
25% deposit£150,000
Stamp duty£50,000
Refurb£23,805
Legal + survey£2,900
Mortgage + broker£10,000
Cash needed£236,705
Green = verified data. Amber = market typical. Red = our estimate — verify before offering.
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Description& agent copyRightmove
"The Old House"
This striking, detached double fronted Grade II cottage with detached self-contained annex occupies a wonderful setting on the periphery of this most desirable village, the idyllic Church to the front provides a lovely outlook whilst to the rear the significant rear garden is a relaxing place to be. The interior enjoys a lovely feel, the living room with feature fireplace and the warmth of a living flame coal effect gas fire, the formal dining room is the pe…