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Deal WizardBTL · Property Analysis
Property analysis
Address: High Road, CoulsdonPrice: £2,500,0005 Bedroom(s)3 Bathroom(s)Analysis Date: Nov 17, 2025
Property Type: OtherEPC band: ESize: 4972 sq ft / 461.9 m²Risk: Medium-HighProject Time: 16 weeks

Investment Analysis: Elm Street, B23 1AA (Hypothetical 3-Bed Semi)

A pragmatic BTL and Flip analysis of a 3-bed semi-detached property, priced at £225,000. The property requires extensive modernisation, presenting a significant value-add opportunity.

Rental Yield

Annual Rent (Post-Refurb)
£15,600
Gross Yield
6.93%
Net Yield (ROCE)
2.33%

The gross yield of 6.93% is strong for a freehold house in this area, achieved by transforming the property into a high-spec family rental. Local rental demand for modernised 3-bed homes is robust, with comparables achieving £1,250-£1,400 pcm. An estimated rent of £1,300 pcm is realistic and positions the property competitively to attract quality long-term tenants, minimising void periods. This rental figure represents a prudent estimate balancing market demand with the investment required.

Cash Flow

Monthly Income
£1,300
Monthly Costs
£1,089
Monthly Cash Flow
+£211
Annual Cash Flow
+£2,532

The property generates a positive monthly cash flow of £211 after accounting for a 75% LTV interest-only mortgage, 12% agent fees, insurance, and a 10% allowance for maintenance and voids. This provides a solid buffer and a reliable passive income stream once the initial refurbishment is complete, demonstrating the immediate financial viability of the BTL strategy.

Capital Growth Potential

Forced Appreciation (ARV)
£300,000
Value Uplift
+£31,500
Growth Score
7/10

The primary value driver here is forced appreciation through renovation. With a total project cost of £268,500 (purchase + refurb), the ARV of £300,000 creates an immediate equity uplift of £31,500. Long-term organic growth is expected to align with the Birmingham average, making this a stable asset. This uplift is crucial for both flip potential and refinancing in a BRRR strategy.

Mortgage Terms

Based on a standard 75% LTV BTL product for a purchase price of £225,000.

Lender Stress Test: FAIL
At a stressed rate of 7.5% (assumed +2% uplift), the required rent to achieve 125% coverage is £1,318. The projected rent of £1,300 is slightly below this threshold. This is a key risk; the investor may need to inject a larger deposit to reduce the LTV or secure a 5-year fixed-rate product which often has more lenient stress testing criteria.

Upfront and Ongoing Costs

Upfront Costs

Purchase Price £225,000
Stamp Duty (2nd Property) £6,750
Refurbishment Budget £43,500
Legal & Survey Fees £2,300
Total Initial Capital £277,550

Ongoing Monthly Costs

Mortgage Payment £773
Letting Agent (12%) £156
Insurance £30
Maintenance/Void Fund (10%) £130
Total Monthly Outgoings £1,089

Tenant Demand

Tenant demand in this area (hypothetical B23) is consistently high, particularly for quality family homes. The target demographic is professional couples and young families seeking good transport links, local schools, and amenities. The modernised finish will be a key attraction.

Location Fundamentals

Location Score
8/10

Assumed strong fundamentals for a typical BTL suburb: good transport connectivity (road and rail), access to employment hubs, reasonable school catchments, and acceptable local amenities. The absence of an Article 4 direction is also a positive for potential future HMO conversion if desired, though not the primary strategy here.

Exit Strategy

The property offers flexible exit strategies, making it a robust investment proposition.

Property Condition and Potential

The property requires a full cosmetic renovation to unlock its potential. The current condition is assumed to be dated, requiring significant investment to appeal to both rental and sales markets. This strategy capitalises on the 'ugliness' of the property to create value.

Refurbishment Breakdown

New Kitchen (inc. appliances & labour) £8,000
New Bathroom (full fit & tiling) £6,000
Full Redecoration (inc. plastering) £7,000
New Flooring Throughout £4,000
Electrical Rewire / Update £5,000
New Boiler & Central Heating £4,500
Garden & Exterior Tidy £2,000
Contingency (10%) £4,000
Total Estimated Cost £43,500

Add Bedroom Potential: Not recommended. For a standard 3-bed semi, adding a 4th bedroom (e.g., via loft conversion) would likely be cost-prohibitive for the projected ARV and could disrupt the property's internal flow, yielding a poor return on investment for this BTL strategy.

Legal and Regulatory Compliance

Risk Level & Explanation

Risk Score: 65/100

Medium-High Risk. The potential returns are strong, but the deal hinges on a successful, on-budget renovation, confirming freehold tenure, and navigating the tight mortgage stress test. Unforeseen renovation issues and market fluctuations impacting ARV are key risks. Diligent project management and lender selection are paramount.

Negotiation Points

Extensive Modernisation Required Price Down Potential: £10,000-£15,000 Confidence: 95%
Dated Kitchen & Bathroom Price Down Potential: £3,000-£5,000 Confidence: 90%
Assumed Poor EPC / Outdated Electrics Price Down Potential: £3,000-£5,000 Confidence: 80%
Requires Full Refurbishment Price Down Potential: £5,000-£10,000 Confidence: 90%

Refurb Shopping List

Kitchen Units & Worktop - Cost: £2500

Oven, Hob & Extractor - Cost: £750

Bathroom Suite (Bath, WC, Basin) - Cost: £800

Shower Tray & Screen - Cost: £400

LVT Flooring (Ground Floor) - Cost: £1800

Carpet & Underlay (Upstairs) - Cost: £1200

Plasterboard & Skim Materials - Cost: £2000

Emulsion Paint - Cost: £300

Satinwood Paint - Cost: £150

Internal Doors (x6) & Ironmongery - Cost: £600

Consumer Unit & MCBs - Cost: £500

Sockets, Switches, Light Fittings - Cost: £400

New Boiler - Cost: £1,500

Radiators & TRVs - Cost: £800

Skips & Waste Disposal - Cost: £1,000

GRP Flat Roof Materials (Garage) - Cost: £500

Labour Tasks

Full Property Strip Out & Waste Removal - Cost: £2,000

First Fix Electrics (Rewire) - Cost: £2,500

First Fix Plumbing (Pipework, Boiler Install) - Cost: £2,500

Wall & Ceiling Plastering (Skimming) - Cost: £5,000

Kitchen Installation - Cost: £1,500

Bathroom Installation & Tiling - Cost: £2,000

Second Fix Electrics (Sockets, Switches, Lights) - Cost: £1,000

Second Fix Plumbing (Taps, Showers, WCs) - Cost: £800

Flooring Installation (LVT, Carpet) - Cost: £1,200

Hanging New Doors & Fitting Ironmongery - Cost: £600

Internal Decoration (Prep, Priming, Painting) - Cost: £2,500

External Tidy Up & Garden Clearance - Cost: £1,000

Professional Clean - Cost: £300

Final Electrical & Gas Safety Certificates - Cost: £400

Skimming over new plasterboard - Cost: £1,000

Repair/Replace Garage Roof - Cost: £800

Refurb Timeline

Total Estimated Duration: 16 Weeks || 4 Months

Phase 1: Strip Out & First Fix || 4 weeks
Phase 2: Plastering & Drying || 3 weeks
Phase 3: Kitchen & Bathroom Installation || 3 weeks
Phase 4: Second Fix & Flooring || 3 weeks
Phase 5: Decoration & Finals || 3 weeks

Final Investment Recommendation

Short Version

Proceed with Caution. This property is a classic "ugly duckling" with strong potential for forced appreciation. A £43.5k renovation on a £225k purchase can create a £300k asset, offering solid equity and rental cash flow. However, the deal is contingent on negotiating the purchase price down, verifying the tenure is Freehold, and navigating the tight BTL mortgage stress test. High risk, high reward, requiring diligent execution.

Detailed Version

This 3-bedroom semi-detached house presents a significant value-add opportunity, targeting both buy-to-let and potential flip strategies. The asking price of £225,000 reflects its unmodernised state, requiring a comprehensive refurbishment estimated at £43,500. The core strategy is to transform it into a desirable family home, thereby forcing appreciation and maximising its market value.

The projected financial performance is compelling. Post-refurbishment, an estimated rental income of £1,300 pcm yields a gross yield of 6.93% and a positive annual cash flow exceeding £2,500. For a flip strategy, the After Refurbishment Value (ARV) is conservatively set at £300,000, generating an immediate equity uplift of approximately £31,500 relative to the total project cost (£268,500).

Key risks require careful management. Firstly, the tenure must be confirmed as freehold; any leasehold issues could jeopardise the investment. Secondly, the projected rental income just falls short of typical BTL mortgage stress test requirements, necessitating a larger deposit or a specific mortgage product. Thirdly, comprehensive refurbishments always carry a risk of unforeseen issues and cost overruns; the 10% contingency is essential but requires prudent oversight. The market demand in the assumed B23 location for well-presented family homes supports the ARV target.

The recommendation is to proceed, but with critical due diligence steps. Negotiate the purchase price down, aiming for around £210,000, citing the extensive renovation needed. Secure a mortgage agreement in principle and confirm freehold tenure before exchange. If these conditions are met, this property offers a strong return potential, leveraging hands-on value creation.