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1 Holly House, Brambles Close, Isleworth, TW7 5BY

UPRN:100021566806Flat/Maisonette2 bedsBuilt 1967-1975
LeaseholdCouncil Tax: Band CEPC: C (69)
Data freshness:Listing· freshListing: fresh, refreshed 3d ago (2026-10-24T04:00:05.961683+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:04:27.176778+00:00)EPC· 2mo agoEPC: ageing, refreshed 2mo ago (2026-08-21T10:03:13.342095+00:00)Risk· 2y agoRisk: stale, refreshed 2y ago (2024-12-31T00:00:00+00:00)Amenities· 1mo agoAmenities: ageing, refreshed 1mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refresh
Valuation estimateUpdated 3 days ago
£491,000
Estimated value
Range: £467k - £516kLast sold: £380k (2018-11-02)

Estimate of £491k for this flat/maisonette. 268 sales in TW7 in the last 12 months; median £480k.

Estimate confidence
High confidence

Value History

Monthly AVM sale-value estimate
Current estimate
£491k
£467k - £516k - High confidence
Annualised (CAGR)
+3.62%
Over the full window
Peak estimate
£491k
Oct 2026
From peak
+0.00%
Drawdown from peak
£498k£462k£426k£390k£354k2020202120222023202420252026Peak
AVM estimate (model)Repeat-sales index - TW7 district (quarterly)index YoY -5.41%
Growth by window
3m
+26.55%
6m
+27.86%
12m
+25.90%
24m
+21.53%
60m
+23.99%

Rental Market

Monthly
Estimated rent (pcm)
£2,200
/ month
Gross yield
5.33%
Rent ÷ asking price
Net yield
3.70%
Assumes ~31% running costs (not this property's)
Vacancy trend
12-month change
-

Market Metrics

6 live signals
Median Area Price
£480k
TW7 sales, last 12 months
12m Price Growth
-
TW7 median, Land Registry
Days on Market
51d
TW7 average

Sales & Yield

3 metrics
Transactions / 12m
268
TW7 sales
Area Gross Yield
4.82%
TW7 medians
Last Sold
£380k
2018-11-02

Investment Analysis

Buy-to-let cashflow + capital returns

25% deposit · IO

Purchase

  • Asking Price£495,000
  • SDLT standard£14,750
  • SDLT BTL surcharge (5%)£24,750
  • Legal, survey + broker (assumed)£2,100
  • RefurbishmentNot costed
  • Total Cost (excl. refurb)£536,600

Funding

  • Deposit (25%)£123,750
  • Mortgage (75% LTV)£371,250
  • Interest Rate (assumed)5.25%
  • Mortgage TypeInterest Only
  • Cash Required£165,350

Monthly Returns

  • Monthly Rent (estimate)£2,200
  • Mortgage Payment (IO)-£1,624
  • Management (10%)-£220
  • Insurance (assumed)-£40
  • Maintenance (assumed)-£60
  • Monthly Cashflow, before lease costs (not stated)+£256

Capital Returns

  • 5yr Property Value£495,000
  • 5yr Capital Gain (0.00% pa, historical)+£0
  • 5yr Cumulative Rent (net, before lease costs)+£117,659
  • Less mortgage interest-£97,440
  • 5yr Total Return (before lease costs)+£20,219

Modelled on the live asking price. Assumed, as in the PDF report: 25% deposit, 5.25% interest-only mortgage, management 10% of rent, insurance £40/mo, maintenance £60/mo, legal, survey and broker £2,100. Refurbishment, voids and letting fees are not costed. Service charge and ground rent are not stated, so cashflow and returns are before lease costs.

5-Year Projection

BTL · Interest Only
YearProperty ValueEquityCashflow (cumulative)Total ReturnROI
Year 1£495,000£123,750+£3,072+£3,0721.9%
Year 2£495,000£123,750+£6,624+£6,6244.0%
Year 3£495,000£123,750+£10,655+£10,6556.4%
Year 4£495,000£123,750+£15,186+£15,1869.2%
Year 5£495,000£123,750+£20,219+£20,21912.2%

Modelled on the live asking price. Capital growth 0.00% a year is the TW7 area's 5-year historical rate (Land Registry medians), not a forecast. Rent grows 2% a year (assumed); management is 10% of each year's rent. Mortgage held interest-only at 5.25% for 5 years. Refurbishment, voids and letting fees are not costed. Service charge and ground rent are not stated, so cashflow and returns are before lease costs. ROI is on cash required (£165,350).

Price Forecast

No forecast available.

Demand & Supply

DemandSupply

    Comparable Sales

    3 matches

    HOLLY HOUSE BRAMBLES CLOSE

    Recent sale
    £380k
    Sale price
    £/sqft
    -
    Rent pcm
    -
    Yield
    -

    HOLLY HOUSE BRAMBLES CLOSE

    Recent sale
    £232k
    Sale price
    £/sqft
    -
    Rent pcm
    -
    Yield
    -

    HOLLY HOUSE BRAMBLES CLOSE

    Recent sale
    £220k
    Sale price
    £/sqft
    -
    Rent pcm
    -
    Yield
    -

    Area Economic Intelligence

    3 signals
    Signal
    £35,301
    Median earnings (local authority)
    Signal
    2,337
    Population
    Signal
    3.9%
    Households Deprived

    Upside Opportunities

    0 levers