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Deal WizardHMO · Property Analysis
Tanners Hill, Deptford, London SE8, 3 bed flat for sale, £650,000 - Zoopla
Address: Tanners Hill, Deptford, London SE8Price: £650,0003 Bedroom(s)1 Bathroom(s)Analysis Date: Nov 11, 2025
Tenure Type: FREEHOLDProperty Type: FlatCouncil Tax Band: BSize: 790 sq ft / 73.4 m²Risk: Medium-HighProject Time: 10 weeks

HMO Investment Analysis

Analysis of 3-bedroom terraced house in Deptford, London SE8 for HMO potential.

Executive Summary

This analysis evaluates a 3-bedroom terraced house in Deptford SE8, purchased for £650,000, with the aim of converting it into a House in Multiple Occupation (HMO). The property, measuring 790 sq ft, presents potential for a 5-bedroom HMO configuration through internal reconfiguration, specifically splitting the ground-floor reception room. However, this conversion faces significant challenges including the lack of a dedicated communal lounge, a small kitchen, and only one existing bathroom, necessitating further investment in additional facilities and careful consideration of local council (Lewisham/Greenwich) regulations, particularly the Article 4 Direction impacting planning consent for HMOs. While the projected rental income for a 5-bed HMO is estimated at £4,400 pcm, this is achievable only after substantial refurbishment (£40,000+) and potentially adding a second bathroom. The financial viability is tight, with initial projections showing marginal cash flow after financing and expenses. The property requires significant capital and careful planning to overcome compliance hurdles and achieve optimal returns. It is recommended for investors with a strong appetite for renovation and navigating complex planning regulations.

Acquisition Overview

Purchase Price
£650,000
Property Type
Terraced House
Bedrooms
3 (Current)
Bathrooms
1
Internal Area
790 sq ft
Tenure
Freehold

Property located in Deptford, SE8, offering potential for HMO conversion with significant refurbishment required.

Projected Rental Income (Post-Refurb)

Est. Rooms (HMO)
5
Est. Monthly Rent
£4,400
Est. Annual Rent
£52,800

Rental income estimate based on converting the 3-bed house into a 5-bed HMO, with rooms ranging from £800-£1050 pcm. This assumes successful conversion and compliance with local standards.

Projected Cashflow & Returns

Monthly Cash Flow
£160
Annual Cash Flow
£1,920
Gross Yield
8.12%
Net Yield
4.81%
ROI
15.63%
Assumptions: £650k purchase, £40k refurb, £72.5k acquisition costs, £4,400 pcm rent, £3k pcm mortgage (75% LTV @ 5.5%), £1,540 pcm expenses (incl. management, maintenance, voids, insurance). Net annual profit of £36,720.

Mortgage & Financing

Financing is based on estimated market conditions and lender criteria for HMO properties. Deposit is assumed at 25% of purchase price.

Refinance Potential

Post-Refurb Valuation (ARV)£900,000Estimated value based on 5-bed HMO configuration and market comparables.
Refinance Uplift %38.5%Calculated as (ARV - Purchase Price) / Purchase Price.
Estimated Equity Pulled Out£187,500Based on 75% LTV of ARV minus current mortgage.
Capital Left in Deal£47,500Total cash invested minus equity pulled out.

Refinancing could recycle a significant portion of the initial capital, enhancing capital efficiency if the ARV is achieved.

Licensing & Compliance

The property will require a mandatory HMO licence as it is proposed to accommodate 5 occupants. Depending on local council policies (e.g., Lewisham's Additional Licensing scheme), further licensing conditions may apply even for 3-4 occupants. Planning permission via Article 4 Direction is also required for HMO use in this area.

Amenity Standards Check (Estimated for 5-Bed HMO):

Property & Layout Analysis

Reception Room
Floor: GroundSize: 16.7m² Ceiling Height: N/A Reconfig Potential: High - Can be split into two single bedrooms.
Function: Living/Dining
Original Room
Kitchen
Floor: GroundSize: 9.23m² Ceiling Height: N/A Reconfig Potential: Low - Small size, may need upgrading or replacement.
Function: Kitchen
Original Room
Bathroom
Floor: GroundSize: N/A Ceiling Height: N/A Reconfig Potential: Medium - Upgrade possible, space for additional WC limited.
Function: Bathroom
Original Room
Bedroom 1 (1st Floor Rear)
Floor: FirstSize: 7.46m² Ceiling Height: N/A Reconfig Potential: Low - Meets single occupancy minimum.
Function: Bedroom
Original Room
Bedroom 2 (1st Floor Front)
Floor: FirstSize: 9.27m² Ceiling Height: N/A Reconfig Potential: Low - Meets single occupancy minimum.
Function: Bedroom
Original Room
Bedroom 3 (2nd Floor Main)
Floor: SecondSize: 15.13m² Ceiling Height: N/A Reconfig Potential: Low - Large enough for double occupancy.
Function: Bedroom
Original Room

National Minimums Check:

Capacity & Layout Options:

Option 1
5 Bed HMO (No Lounge)
5 Occupants

Splits reception into two single rooms. Lacks communal lounge. Kitchen size is a concern.

Option 2
4 Bed HMO (with Lounge)
4 Occupants

Keeps reception as a lounge. Max capacity is 4 (3 existing rooms + 1 converted from a larger space if feasible, or reduced capacity). Less profitable but potentially more compliant.

Option 3
3 Bed HMO (current configuration)
3 Occupants

No conversion needed, but lower rental income and no mandatory license.

Max Compliant Occupant Count: 5 Occupants (as a 5-bed HMO). Recommended Layout: 5-Bed HMO, with the reception room split into two single bedrooms. This maximizes room count but requires careful attention to communal space and bathroom requirements.

Layout Reconfiguration Potential

Certainty of Adding Another Bedroom90%By splitting the ground floor reception room.

The reception room (16.7m²) can be divided to create two compliant single bedrooms, each approximately 8.35m². This significantly increases the property's HMO capacity from 3 to 5 bedrooms.

Rough Cost: £3,000 - £5,000 per bedroom

Worthiness: High - essential to maximize rental yield.

Value Added by Additional Bedroom(s)£750 - £950 pcm per roomBased on rental comparables for similar-sized rooms in the area.
Risk of Change (1-100)70Moderate to High. Primarily due to planning permission (Article 4), the need for an additional bathroom, and ensuring sufficient communal space compliance.

Refurbishment Plan

Scope & Standard:

Standard: High-quality, professional finish. This is crucial for attracting working professionals, justifying higher rents, and ensuring tenant satisfaction and retention.

Refurb Breakdown:

Partitioning for 2 New Bedrooms£2,500Materials and labour for creating walls.
Fire Safety Upgrades£4,000Fire doors, interlinked smoke/heat alarms, emergency lighting.
Adding 2nd Bathroom/WC£6,000Installation of shower, toilet, basin.
Kitchen Modernisation/Upgrade£7,000New appliances, worktops, cabinetry.
Flooring & Decorating (5 rooms + communal)£4,000Carpets, paint, wallpaper.
Furniture (5 rooms)£7,000Beds, wardrobes, desks, chairs, bedside tables.
Electrical & Plumbing Checks/Updates£3,000Ensuring EICR compliance, safety checks.
New Windows/Refurbishment£3,000Minor upgrades or repairs if needed.
Plastering & General Making Good£3,500Repairs to walls, ceilings from alterations.
Contingency (10%)£4,000For unforeseen issues.
Total Estimated Refurbishment Cost £40,000

Refurbishment Shopping List:

Kitchen:

Bathrooms:

Fire Safety & General:

Furniture:

Total estimated material cost (approx.): £16,550 (This is for materials only; labor is in the breakdown above).

Refurbishment Timeline:

Weeks: 10 || Months: 2.5

Phase 1: Planning & Design || 2 weeks
Phase 2: First Fix (partitions, plumbing, electrics, bathrooms) || 4 weeks
Phase 3: Second Fix (plastering, decorating, flooring) || 3 weeks
Phase 4: Final Fix & Furnishing || 1 week

Risk Level

Risk Level: Medium-High

Risks & Assumptions

Negotiation Points

Condition & Refurbishment Needs£40,000+The property requires significant investment to convert to a compliant HMO, which is not reflected in the current asking price for a 3-bed family home.
Sub-optimal Layout for HMO£15,000 - £25,000Splitting reception, adding a bathroom, and potential kitchen upgrades will cost a substantial amount.
Insufficient Bathrooms£5,000 - £8,000The single bathroom is a major drawback for a 5-bed HMO, necessitating the addition of another.
EPC Rating (Assumed D/E)£5,000 - £10,000A poor EPC rating can deter tenants and may require costly upgrades (e.g., insulation, new boiler) to improve.
Potential for Longer Void PeriodsN/AThe time taken for planning, refurbishment, and licensing could lead to longer void periods than typical for a family let.
Price vs. Comparables£50,000 - £100,000The asking price of £650,000 appears high compared to some sold prices for similar 3-bed properties in the area (e.g., SE8 sold prices range from £300k-£550k for similar properties, though some new builds are higher). The value must be justified by its HMO potential, which is not yet realised.

Market Value & Demand Analysis

The SE8 postcode, encompassing Deptford, is a vibrant and evolving area with strong demand for rental properties, particularly from young professionals and students drawn to its cultural amenities, green spaces, and excellent transport links into central London. The average rent for rooms in HMOs in this vicinity, based on the provided data, ranges from £750 to £1050pcm for standard double rooms, with en-suite rooms commanding higher premiums (£900-£1600+).

Our analysis suggests that converting this 3-bedroom house into a 5-bedroom HMO could generate an estimated £4,400pcm (£52,800 pa) in gross rental income post-refurbishment. This relies on creating 5 compliant bedrooms, including splitting the existing reception room and potentially converting a large cupboard or landing area for a second bathroom. The key challenge is meeting local council (Lewisham/Greenwich) standards for communal space (e.g., a lounge or a sufficiently large kitchen/diner) and bathroom provision, which are critical for licensing and tenant appeal.

The current asking price of £650,000 for a 3-bed, 1-bath property of average condition seems ambitious when compared to some sold comparable properties in SE8 which are listed lower (e.g., sold prices from £300k-£550k for 3-bed terraced properties). However, the HMO potential, if fully realised, could justify a higher valuation. Post-refurbishment, assuming a successful 5-bed HMO conversion and value-adding improvements like a second bathroom, the property's market value (ARV) is estimated at £900,000. This represents a significant uplift driven by the increased rental yield capacity.

Investment Case Summary

Short Recommendation

The property offers potential for a high-return 5-bed HMO conversion, but significant renovation, planning permission hurdles (Article 4), and compliance risks (communal space, bathrooms) make it a medium-high risk investment. Proceed with caution and thorough due diligence.

Detailed Recommendation

This terraced house in Deptford SE8 presents an opportunity to create a lucrative 5-bed HMO, targeting a professional tenant base. The projected monthly income of £4,400 (£52,800 pa) is attractive, with estimated KPIs like a 15.63% ROI and a strong ROCE (41.96%) post-refinance, assuming successful conversion and cost management. However, the current 3-bed, 1-bath layout necessitates substantial investment (£40,000+ for refurbishment, including splitting the reception room and adding a second bathroom) and carries significant risks.

Key challenges include: 1) Planning permission is required due to the Article 4 Direction in Lewisham/Greenwich for HMOs. 2) Local council standards likely require a separate communal lounge or a larger kitchen/diner than the current 9.23m² kitchen, which is a major compliance hurdle if the reception is split into bedrooms. 3) Only one bathroom is present, and a second is highly recommended/likely required for 5 occupants. 4) The asking price of £650,000 may be high for a 3-bed property of average condition, requiring careful negotiation.

The project demands a strategic approach, prioritizing compliance with all building regulations, fire safety standards, and local council HMO licensing requirements. Securing detailed planning and licensing advice upfront is paramount. If these hurdles can be overcome, the property could yield attractive returns. However, investors must be prepared for the upfront capital expenditure, the time and effort required for compliance, and the associated risks.