Sold STC Flat

398 ACKERS DRIVE

SWANSCOMBE, WELDON, KENT DA10 1DX

2 beds 2 baths 990 sq ft Listed 19 Feb 2025 (-516d)

£290,000

Reduced on 24 Mar 2025

Save

# 2 bedroom flat for sale (DA10 1DX)

## Property Details

| Key | Value |
|-----|-------|
| Address | 398 ACKERS DRIVE, SWANSCOMBE, WELDON, KENT DA10 1DX |
| Price | £290,000 |
| Bedrooms | 2 |
| Bathrooms | 2 |
| Council tax | D |
| Floor area | 92 m² |
| Last sold | £300,000 Jul 2025 |

## EPC Rating & Upgrade Cost

- **Current rating:** B
- **Potential rating:** B
- **Expiry date:** 18/11/2030
- **Current heating cost:** £202/year

[View full EPC on gov.uk](https://find-energy-certificate.service.gov.uk/energy-certificate/9418-5915-5329-2840-0200)

## Description

Guidance price of £290,000 to £315,000

Robinson Jackson are delighted to present this stunning Redrow two bedroom top floor apartment offered with no chain. The property is one of the only apartments benefiting from having two allocated parking spaces and boasts a generously sized open-plan kitchen/living/dining area with double doors out to the south-facing balcony, perfect for those summer evenings.  Everything you could need is within easy reach, from Bluewater shopping centre, to Ebbsfleet International station. Local amenities, Ebbsfleet primary school and open green spaces are all within just a short walk. Call our Ebbsfleet Garden City branch to arrange your viewing.

**Exterior**

Two allocated parking spaces.

Private balcony.

**Key Terms**

Dartford Borough Council - Tax Band D

The boiler is located in the Kitchen

Total floor area: 92 sq. metres

Leasehold Information

Lease created: 2017

Remaining term on lease: 991 years

Service charge: £1352.94 per annum

Ground rent: £250 per year

(All information regarding lease term and service charges are provided by the seller and should be verified by your solicitor).

## Property Photos

- ![Front Elevation](/listings/photos/158430350/1309672) - Front Elevation
- ![Lounge](/listings/photos/158430350/1309673) - Lounge
- ![Kitchen](/listings/photos/158430350/1309674) - Kitchen
- ![Bedroom One](/listings/photos/158430350/1309675) - Bedroom One
- ![Ensuite](/listings/photos/158430350/1309676) - Ensuite
- ![Bedroom Two](/listings/photos/158430350/1309677) - Bedroom Two
- ![Bathroom](/listings/photos/158430350/1309678) - Bathroom
- ![Balcony](/listings/photos/158430350/1309679) - Balcony
- ![Parking](/listings/photos/158430350/1309680) - Parking
- ![Bedroom One](/listings/photos/158430350/1309681) - Bedroom One
- ![Bedroom Two](/listings/photos/158430350/1309682) - Bedroom Two
- ![Front Elevation](/listings/photos/158430350/1309683) - Front Elevation

## Floorplans

- ![Floorplan](/listings/photos/158430350/1309684) - Floorplan

## EPC Graphs

- ![EPC Rating Graph](/listings/photos/158430350/1309685) - EPC Rating Graph

## Sales History

*Recorded sales for this property. Data from Land Registry Price Paid.*

| Address | Price | Date | Type |
|---------|-------|------|------|
| 398 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £300,000 | 17/07/2025 | Flat |
| 398 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £299,995 | 18/12/2020 | Flat |

## Sold Comparables

*Same street and nearby sales within 0.25 miles. Data from Land Registry Price Paid. Last 5 years.*

| Address | Price | Date | Type |
|---------|-------|------|------|
| 3 WILSON CLOSE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AX | £280,000 | 28/11/2025 | Flat |
| 50 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY | £296,500 | 28/10/2025 | Flat |
| [Same street] 380 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £315,000 | 12/10/2023 | Flat |
| 38 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY | £295,000 | 18/08/2023 | Flat |
| 30 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £304,995 | 02/05/2023 | Flat |
| 59 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY | £305,000 | 21/04/2023 | Flat |
| 18 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £304,995 | 22/12/2022 | Flat |
| 68 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY | £300,000 | 21/12/2022 | Flat |
| 36 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £309,995 | 21/12/2022 | Flat |
| 22 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £325,995 | 20/12/2022 | Flat |
| 32 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £304,995 | 20/12/2022 | Flat |
| 20 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £304,995 | 20/12/2022 | Flat |
| 28 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £309,995 | 20/12/2022 | Flat |
| 46 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £314,995 | 20/12/2022 | Flat |
| 34 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £314,995 | 20/12/2022 | Flat |
| 42 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £309,995 | 16/12/2022 | Flat |
| 38 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £314,995 | 16/12/2022 | Flat |
| 24 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £325,495 | 16/12/2022 | Flat |
| 26 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £304,995 | 16/12/2022 | Flat |
| 40 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £330,995 | 16/12/2022 | Flat |
| 44 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED | £319,995 | 16/12/2022 | Flat |
| [Same street] 362 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £299,995 | 08/04/2022 | Flat |
| [Same street] 350 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £314,995 | 18/03/2022 | Flat |
| [Same street] 360 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £314,995 | 11/03/2022 | Flat |
| [Same street] 368 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £314,995 | 11/03/2022 | Flat |
| [Same street] 364 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £314,995 | 11/03/2022 | Flat |
| [Same street] 366 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £314,995 | 11/03/2022 | Flat |
| [Same street] 358 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £309,995 | 04/03/2022 | Flat |
| [Same street] 354 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £309,995 | 02/03/2022 | Flat |
| [Same street] 402 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £108,000 | 28/02/2022 | Flat |
| [Same street] 352 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £294,995 | 25/02/2022 | Flat |
| [Same street] 356 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £309,995 | 25/02/2022 | Flat |
| [Same street] 346 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £289,995 | 18/02/2022 | Flat |
| [Same street] 348 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £304,995 | 18/02/2022 | Flat |
| [Same street] 344 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX | £304,995 | 11/02/2022 | Flat |

**Street average:** £294,862 (15 sales)
**Area average:** £308,946 (20 sales)

## Price vs local average

*Outcode + property type (HousePrices, last 2 years).*

- **Local average:** £269,403 (20 Flat, DA10, 2024–2026)
- **Deviation:** +7.6%

## Rental Range

*ONS Price Index of Private Rents (Dartford). Low / Realistic / Optimistic = conservative / average / best case.*

- **Low:** £1,406/mo
- **Realistic:** £1,562/mo
- **Optimistic:** £1,718/mo

## LHA (Local Housing Allowance)

*VOA 30th percentile rent floor for South West Essex (Apr 2025 – Mar 2026).*

- **LHA floor (this property size):** £947/mo

## Rental Comparables

*Residential lets from OpenRent and Rightmove for the area (same bedroom count). Use to validate rent estimates. Student lets are excluded.*

| Title | Rent | Beds | Distance | As seen on |
|------|------|------|------|------|
| 2 Bed Flat, Ebbsfleet, DA10 | £1,750/mo | 2 | 0.04 miles | OpenRent |
| 2 Bed Semi-Detached House, St. Pauls Close, DA10 | £1,445/mo | 2 | 0.65 miles | OpenRent |

**Average rent: £1,598/mo (2 listings)**

## 1% Rule

- **Rent ratio:** 0.55% (weak for cashflow)
- **Max investor price (0.8%):** £199,750
- **Target investor price (1%):** £159,800

*Monthly rent ÷ price. 1%+ = strong, 0.8–1% = okay, <0.8% = weak. Max investor price = rent ÷ 0.8% (Stoke-style target). Target investor price = rent ÷ 1% (strong cashflow band). Based on OpenRent comparables.*

## Rent-driven metrics

*Based on OpenRent comparables (median £1,598/mo).*

- **Gross yield:** 6.6%
- **Cost-to-rent:** 15.1×
- **Monthly cashflow:** £271/mo (75% LTV, 3.95% APR (5yr fixed), 25yr term)
- **Cash-on-cash ROI:** 3.9%

*Gross yield = annual rent as % of price (no costs). Cost-to-rent = price ÷ annual rent (from OpenRent comparables); under 14× = strong, 14–16× = acceptable, 17×+ = compressed. Cashflow = rent − mortgage − 10% maintenance − £25/mo compliance; assumes 75% LTV, 3.95% APR (5yr fixed), 25yr term. ROI = annual profit ÷ cash in (deposit + 4% purchase costs).*

## Price per Square Metre

- **£/m²:** £3,152/m²

## Capital growth trend

*Land Registry outcode average from sold prices: last 12 months vs 5y and 10y ago.*

- **5y growth:** -4.5%
- **10y growth:** 45.5%

## House Price Index (HM Land Registry)

*Official index for Dartford; Flats and maisonettes series; as of April 2026.*

- **1y growth (index):** -1.6%
- **5y growth (index):** -2.8%
- **10y growth (index):** 11%

## Flood risk

- **Zone:** 1
- **Risk:** Low
- **Source:** Job (default Low)

[Check long-term flood risk (GOV.UK)](https://check-long-term-flood-risk.service.gov.uk/postcode)

Front Elevation Lounge Kitchen Bedroom One Ensuite Bedroom Two Bathroom Balcony Parking Bedroom One Bedroom Two Front Elevation

/ 12

Property details

Tenure

LEASEHOLD

Floor area

92 m²

Council tax band

EPC rating

Last sold

£300,000 Jul 2025

Price per m²

£3,152/m²

Local average

£269,403 (+7.6%)

Street crime

108 incidents within 1 mile (May 2026)

Key features

2 Double Bedrooms
2 Allocated Parking Spaces
Top Floor with Balcony
NO CHAIN
Redrow Build
Ebbsfleet Garden City Location

Additional details

Parking: Yes

Description

Guidance price of £290,000 to £315,000
Robinson Jackson are delighted to present this stunning Redrow two bedroom top floor apartment offered with no chain. The property is one of the only apartments benefiting from having two allocated parking spaces and boasts a generously sized open-plan kitchen/living/dining area with double doors out to the south-facing balcony, perfect for those summer evenings. Everything you could need is within easy reach, from Bluewater shopping centre, to Ebbsfleet International station. Local amenities, Ebbsfleet primary school and open green spaces are all within just a short walk. Call our Ebbsfleet Garden City branch to arrange your viewing.

Exterior
Two allocated parking spaces.
Private balcony.

Key Terms
Dartford Borough Council - Tax Band D
The boiler is located in the Kitchen
Total floor area: 92 sq. metres

Leasehold Information
Lease created: 2017
Remaining term on lease: 991 years
Service charge: £1352.94 per annum
Ground rent: £250 per year

(All information regarding lease term and service charges are provided by the seller and should be verified by your solicitor).

Listed by

Ebbsfleet Garden City

Robinson Jackson

Reference: 158430350

EPC Rating & Upgrade Cost

Current rating: B

Potential rating: B

Inspection date: 19/11/2020

Expiry date: 18/11/2030

Current heating cost: £202/year

Potential heating cost: £202/year

View full EPC on gov.uk

Flood risk

Zone: 1

Risk: Low

Job (default Low)

Floorplans

Floorplan

EPC Graphs

EPC Rating Graph

Price history

0% since 2020

Event	Date	Price	% change
Sold	17/07/2025 (1 year ago)	£300,000	0%
Sold	18/12/2020 (5 years ago)	£299,995	—

Source: HM Land Registry Price Paid Data. Crown copyright.

Sold Comparables

Same street and nearby sales within 0.25 miles (last 5 years). Data from Land Registry Price Paid.

Address	Price	Date	Type
3 WILSON CLOSE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AX	£280,000	28/11/2025	Flat
50 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY	£296,500	28/10/2025	Flat
Same street 380 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£315,000	12/10/2023	Flat
38 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY	£295,000	18/08/2023	Flat
30 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£304,995	02/05/2023	Flat
59 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY	£305,000	21/04/2023	Flat
18 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£304,995	22/12/2022	Flat
68 MORTIMER SQUARE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1AY	£300,000	21/12/2022	Flat
36 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£309,995	21/12/2022	Flat
22 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£325,995	20/12/2022	Flat
32 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£304,995	20/12/2022	Flat
20 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£304,995	20/12/2022	Flat
28 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£309,995	20/12/2022	Flat
46 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£314,995	20/12/2022	Flat
34 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£314,995	20/12/2022	Flat
42 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£309,995	16/12/2022	Flat
38 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£314,995	16/12/2022	Flat
24 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£325,495	16/12/2022	Flat
26 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£304,995	16/12/2022	Flat
40 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£330,995	16/12/2022	Flat
44 GARLAND RISE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1ED	£319,995	16/12/2022	Flat
Same street 362 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£299,995	08/04/2022	Flat
Same street 350 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£314,995	18/03/2022	Flat
Same street 360 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£314,995	11/03/2022	Flat
Same street 368 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£314,995	11/03/2022	Flat
Same street 364 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£314,995	11/03/2022	Flat
Same street 366 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£314,995	11/03/2022	Flat
Same street 358 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£309,995	04/03/2022	Flat
Same street 354 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£309,995	02/03/2022	Flat
Same street 402 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£108,000	28/02/2022	Flat
Same street 352 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£294,995	25/02/2022	Flat
Same street 356 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£309,995	25/02/2022	Flat
Same street 346 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£289,995	18/02/2022	Flat
Same street 348 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£304,995	18/02/2022	Flat
Same street 344 ACKERS DRIVE, WELDON, SWANSCOMBE, DARTFORD, KENT, DA10 1DX	£304,995	11/02/2022	Flat

Street average: £294,862 (15 sales)

Area average: £308,946 (20 sales)

Capital growth trend

Land Registry outcode average: last 12 months vs 5y and 10y ago (from sold prices).

5y growth -4.5%

10y growth 45.5%

House Price Index (HM Land Registry — official index, not sold-price averages): Dartford. Series: Flats and maisonettes. As of April 2026.

1y (index) -1.6%

5y (index) -2.8%

10y (index) 11%

Rental Range

Estimated market rent for Dartford. Low = conservative, Realistic = average, Optimistic = best case.

Low £1,406/mo

Realistic £1,562/mo

Optimistic £1,718/mo

Based on Local Authority from postcode lookup → Dartford.

LHA (30th percentile) floor for South West Essex: £947/mo (Apr 2025 – Mar 2026)

Location

Map view View on Google Maps View on OpenStreetMap Street View DA10 1DX

Nearby

Nearest stations, universities and amenities (distance from property).

Type	Name	Distance
Bus stop	Stopes Avenue	0.2 miles
Bus stop	Ebbsfleet Plaza	0.2 miles
Shop	Co-op Food	0.5 miles
Shop	Castle Hill Local Centre	0.5 miles
Train station	Ebbsfleet International	0.8 miles
Train station	Northfleet	1.0 miles
University	University of Greenwich	2.0 miles
Hospital	Jasmine Centre	2.3 miles
Hospital	King's / Dartford Dialysis Unit	2.3 miles
University	Unknown	9.4 miles

Street-level crime

Category	Count
Anti-social behaviour	40
Violence and sexual offences	37
Other crime	9
Criminal damage and arson	4
Other theft	4
Vehicle crime	4
Drugs	3
Burglary	2
Public order	2
Robbery	2
Possession of weapons	1
Total incidents	108

Within 1 mile during May 2026. Source: data.police.uk (England & Wales).

Schools nearby

Nearest open schools with Ofsted ratings (England). Closed schools are not shown. Data from Get Information about Schools and Ofsted.

Name	Type	Distance	Ofsted
Ebbsfleet Green Primary School	Primary	0.2 miles	Good — 11 May 2023
Leigh Academy Cherry Orchard	Primary	0.4 miles	Outstanding — 13 Dec 2021
Ebbsfleet Academy	Secondary	0.6 miles	Good — 11 Nov 2019
Manor Community Primary School	Primary	0.6 miles	Good — 29 Nov 2013
Springhead Park Primary School	Primary	0.7 miles	Good — 5 Jul 2023

Rental Comparables

Residential lets from OpenRent and Rightmove for the area (same bedroom count). Use to validate rent estimates. Student lets are excluded.

Title	Rent	Beds	Distance	As seen on
2 Bed Flat, Ebbsfleet, DA10	£1,750/mo	2	0.04 miles	OpenRent
2 Bed Semi-Detached House, St. Pauls Close, DA10	£1,445/mo	2	0.65 miles	OpenRent

Average rent: £1,598/mo (2 listings)

Rent-driven metrics

Based on OpenRent comparables.

This street 10.5% gross yield avg £278,925 sale, £2,450/mo rent

Rent ratio 0.55%

Max investor price (0.8%) £199,750

Target investor price (1%) £159,800

Gross yield 6.6%

Cost-to-rent ratio 15.1×

Monthly cashflow £271/mo 75% LTV, 3.95% APR (5yr fixed), 25yr term

Cash-on-cash ROI 3.9%

This street — Gross yield for this street only (Land Registry sales + rental comparables, same postcode + street).
Rent ratio — Monthly rent ÷ purchase price (1% rule). 1%+ = strong, 0.8–1% = okay, <0.8% = weak for cashflow.
Max investor price — Rent ÷ 0.8%; the price at which rent would be 0.8% of price (Stoke-style target).
Target investor price — Rent ÷ 1%; the price at which rent would be 1% of price (strong cashflow band).
Gross yield — Annual rent as % of purchase price (no costs).
Cost-to-rent — Price ÷ annual rent (from OpenRent comparables). Under 14× = strong, 14–16× = acceptable, 17×+ = compressed.
Cashflow — Rent minus mortgage, 10% maintenance, £25/mo compliance. Assumes 75% LTV, 3.95% APR (5yr fixed), 25yr term.
ROI — Annual profit ÷ cash in (deposit + 4% purchase costs).