18 Marryat Road
WIMBLEDON • SW19 5BD
£3,250,000
£994/sqft
An exceptional semi detached family house with off street parking in a prime Wimbledon location. Built in 2016, well maintained and beautifully designed with excellent lateral living and entertaining spaces across four floors. Features include air conditioning, under-floor heating, a bespoke German kitchen, a gym, and a landscaped garden.
4
3
3,270 sqft
Semi Detached House
Garden
2000 Onwards
Very High
1
Build your nest
Options ranked by potential value — A higher score means better returns. Click the development option to view full breakdown.
79/100
Basement Extension
+32% space increase
Analysis Summary
We've analyzed the potential for a Basement Extension at this property.
Investment Required:
£3,787,156 total (including construction and professional fees)
Value After Work:
Property worth £5,450,000 - an increase of £2,200,000
Expected Profit:
£1,662,940 net profit (44% return on investment)
What You'll Get:
- •+1041 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
79/100
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
Basement 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
£3,250,000
86%
Build Costs
Construction, materials, labour
£537,156
14%
Total Investment£3,787,156
Includes all construction and professional fees
£516 per sq ft
Cost per sq ft
ROI Analysis
44%
Return on Investment
Current Value£3,250,000
Build Investment£537,156
Post-Work Value£5,450,000
Net Profit£1,662,940
£2,200,000
Value Increase