Data-Driven Targeting for Glazing Companies
Report Date: February 2026
Focus: Owner-Occupied Properties with Glazing Upgrade Opportunities
Executive Summary
Our comprehensive analysis of 28.9 million UK properties reveals a significant and highly addressable market opportunity for glazing companies.
Overall Market Breakdown (All Tenures)
| Glazing Category | Total Properties | % of Market | Owner-Occupied | % Owner-Occupied |
|---|---|---|---|---|
| Modern Glazing | 24,883,221 | 86.0% | 8,509,005 | 34.2% |
| Partial Double Glazing | 2,404,985 | 8.3% | 1,254,921 | 52.2% |
| Single Glazed | 1,452,118 | 5.0% | 536,766 | 37.0% |
| Secondary Glazing | 116,504 | 0.4% | 39,856 | 34.2% |
| Other | 77,832 | 0.3% | 10,825 | 13.9% |
Key headline:
1,831,543 owner-occupied properties have single glazing, partial double glazing, or only secondary glazing.
This represents 17.7% of all owner-occupied homes in the dataset.
Average property characteristics:
- Average size: 4.8 rooms
- Average floor area: 102 sqm
Why This Matters
1. High Owner-Occupancy Rate
52.2% of properties with partial double glazing are owner-occupied.
These homeowners typically have both the motivation and financial capacity to invest in upgrades.
2. Estimated Window Count
Using a conservative 1:1 room-to-window ratio, this equates to approximately:
8.8 million windows across owner-occupied upgrade opportunities.
3. Significant Property Sizes
Average sizes (4.8 rooms, 102 sqm) indicate substantial middle-market homes, not marginal or low-value stock.
Detailed Market Segmentation
By Property Size and Upgrade Type
| Property Size / Rooms | Floor Area | Upgrade Type | Properties | Avg Rooms | Estimated Windows |
|---|---|---|---|---|---|
| 4–5 rooms (medium) | 70–100 sqm | Partial Double | 373,091 | 4.5 | 1,696,639 |
| 6–7 rooms (large) | 100–150 sqm | Partial Double | 167,138 | 6.3 | 1,057,563 |
| 1–3 rooms (small) | Under 70 sqm | Single Glazed | 159,505 | 2.4 | 380,057 |
| 4–5 rooms (medium) | 100–150 sqm | Partial Double | 149,247 | 4.8 | 711,950 |
| 1–3 rooms (small) | Under 70 sqm | Partial Double | 135,521 | 2.7 | 359,342 |
| 4–5 rooms (medium) | 70–100 sqm | Single Glazed | 120,439 | 4.5 | 539,863 |
| 8+ rooms (very large) | Over 200 sqm | Partial Double | 87,713 | 9.8 | 863,050 |
| 4–5 rooms (medium) | Under 70 sqm | Partial Double | 78,442 | 4.2 | 331,713 |
| 6–7 rooms (large) | 150–200 sqm | Partial Double | 68,854 | 6.6 | 455,453 |
| 1–3 rooms (small) | 70–100 sqm | Partial Double | 52,305 | 3.0 | 154,473 |
Key Insights
- Medium-sized homes (4–5 rooms, 70–100 sqm) form the largest single opportunity segment
- Very large homes (8+ rooms) represent a premium, high-margin market
- Homes with partial double glazing are conversion-ready and easier to sell than single-glazed stock
Geographic Targeting
Top Local Authorities by Opportunity Count
| Rank | Local Authority | Total Opps | Single Glazed | Partial Double | Avg Rooms | Avg Floor Area |
|---|---|---|---|---|---|---|
| 1 | Birmingham | 33,226 | 7,053 | 25,847 | 5.1 | 102 sqm |
| 2 | Wandsworth | 26,030 | 10,030 | 15,678 | 4.5 | 102 sqm |
| 3 | Westminster | 25,580 | 15,790 | 8,156 | 3.7 | 101 sqm |
| 4 | Cornwall | 25,114 | 8,008 | 16,682 | 5.2 | 115 sqm |
| 5 | Brighton & Hove | 23,713 | 10,155 | 13,284 | 3.8 | 87 sqm |
| 6 | Kensington & Chelsea | 22,765 | 12,933 | 8,945 | 4.0 | 114 sqm |
| 7 | Bristol | 20,676 | 6,404 | 14,093 | 4.8 | 107 sqm |
| 8 | Lambeth | 20,294 | 9,827 | 10,077 | 4.2 | 93 sqm |
| 9 | Leeds | 17,186 | 3,825 | 13,059 | 5.1 | 106 sqm |
| 10 | Camden | 16,826 | 9,468 | 6,820 | 3.8 | 97 sqm |
Geographic Insights
- London dominates: 9 of the top 20 markets are London boroughs
- Major cities (Birmingham, Leeds, Manchester, Liverpool) provide dense opportunity
- Affluent rural authorities (Cornwall, Wiltshire, Dorset) show strong premium demand
- Period properties in Westminster and Kensington & Chelsea drive single-glazing upgrades
Market Recommendations
Priority 1: Medium Homes with Partial Glazing
- 373,091 properties
- Typical family homes
- Easier conversion
- Focus: Birmingham, Bristol, Leeds
Priority 2: Large Premium Properties
- 167,138 properties (6–7 rooms)
- Higher contract values
- Focus: London boroughs, Wiltshire, Dorset
Priority 3: London Period Properties
- High single-glazing prevalence
- Heritage and conservation expertise required
- Premium pricing potential
Data Advantages
What Makes This Data Valuable
- Precise glazing status
- Owner-occupancy filtering
- Property size for accurate quoting
- Whole-market coverage
- Government-verified EPC data
Potential Use Cases
- Direct marketing
- Sales territory planning
- Product positioning
- Installer partnerships
- Market forecasting
From Data to Intelligence
Traditional reports tell you:
“373,091 medium homes with partial double glazing”
Xenscope delivers:
Exact addresses, glazing type, size, value, and affluence
Stop buying territory reports.
Start knocking on the right doors.
How It Works
-
Search
Filter properties using 90+ attributes including Affluence & Capacity Index -
Select
Choose from 110+ data fields and export to CRM-ready formats -
Send
Deliver personalised outreach with property-specific insight
Compare Your Results
| Lead Source | What You Get | Cost | Conversion | Cost / Sale |
|---|---|---|---|---|
| Generic Postcode Lists | Thousands of properties | £200 | 0.5% | £40+ |
| Home Improvement Aggregators | Shared leads (10+ competitors) | £25–£150 | 2–5% | £500–£7,500 |
| Xenscope Precision Data | Exact address + full property profile | £1–£3 | 6%+ | £20–£150 |
The difference:
You know exactly what they need before you knock.
Beyond Glazing
Apply the same intelligence to:
- Wall insulation (5.28M opportunities)
- Loft insulation (7.34M)
- Solar installations (12M+)
- Heat pumps (8M+)
- Boilers (10M+)
- EV chargers (18M+)
One platform. Every property in the UK.

