19 Ernle Road
WIMBLEDON • SW20 0HH
£3,650,000
£741/sqft
A very stylishly presented detached period family house with versatile accommodation arranged over 4 floors situated in a much favoured residential road with views over Cannizaro Park just a short walk from King's College School, the Common and Village
5
4
4,929 sqft
Detached
Garden
1914 2000
High
None
Build your nest
Options ranked by potential value — A higher score means better returns. Click the development option to view full breakdown.
78/100
Rear Lower Ground Floor Extension
+17% space increase
73/100
Complete Development
Rear extension (lower ground floor)
Modern, high-quality finishes throughout
+17% space increase
65/100
Full House Renovation (no extensions)
Modern, high-quality finishes throughout
Analysis Summary
We've analyzed the potential for a Rear Lower Ground Floor Extension at this property.
Investment Required:
£3,947,268 total (including construction and professional fees)
Value After Work:
Property worth £6,145,500 - an increase of £2,495,500
Expected Profit:
£2,198,233 net profit (56% return on investment)
What You'll Get:
- •+823 square feet of additional living space
- •+1 bedroom
- •+1 bathroom
Note: Planning permission has an medium probability of approval. Further consultation may be beneficial.
Nestscore
78/100
Very Good
A rating of this scenario's potential based on ROI, value uplift, planning risk, and timeline.
Risk Analysis
Planning Risk
LowLikelihood of planning delays or rejection.
Planning Feasibility
Planning Assessment
Rear Lower Ground Floor Extension
Planning Considerations
Medium probability based on similar houses nearby.
78%
Approval Rating
2-4 months
Estimated Approval Time
Cost Breakdown
Purchase Cost
Current property value
£3,650,000
92%
Build Costs
Construction, materials, labour
£297,268
8%
Total Investment£3,947,268
Includes all construction and professional fees
£361 per sq ft
Cost per sq ft
ROI Analysis
56%
Return on Investment
Current Value£3,650,000
Build Investment£297,268
Post-Work Value£6,145,500
Net Profit£2,198,233
£2,495,500
Value Increase