Report Date: February 2026
Focus: Owner-Occupied Properties with Accessible Lofts
Positioning: Data-Driven Targeting for Insulation Companies
Executive Summary
Our comprehensive analysis of 28.9 million UK properties reveals exceptional market opportunities for loft insulation installers.
Overall Market Breakdown
| Insulation Status | Total Properties | % of Market | Owner-Occupied | % Owner-Occupied |
|---|---|---|---|---|
| Insufficient - 50mm | 5,538,310 | 19.15% | 2,502,899 | 45.19% |
| No Insulation | 3,121,006 | 10.79% | 1,463,567 | 46.89% |
| Insufficient - 100mm | 3,079,932 | 10.65% | 1,450,383 | 47.09% |
| Insufficient - 200mm | 2,875,864 | 9.94% | 1,116,329 | 38.82% |
| Insufficient - 75mm | 904,314 | 3.13% | 488,665 | 54.04% |
| Limited Insulation (Assumed) | 731,311 | 2.53% | 293,585 | 40.15% |
| Insufficient - 25mm | 248,264 | 0.86% | 147,360 | 59.36% |
| Near Standard - 250mm | — | — | 165,000 | — |
| Exceeds Standard - 300mm+ | 1,743,689 | 6.03% | 654,451 | 37.53% |
| Meets Standard - 270mm | 690,582 | 2.39% | 211,750 | 30.66% |
| Insulated (Assumed) | 1,247,581 | 4.31% | 462,599 | 37.08% |
Key Market Opportunity
- 7.34 million owner-occupied properties need loft insulation (no insulation or below 270mm standard)
- This represents 71% of all owner-occupied homes with accessible lofts
- Average property size: 4.5 rooms, 91 sqm
- Loft insulation is a quick install, high margin, low disruption home improvement product
Note (Exclusions):
- Excludes 4.5M flats (dwelling above), 863k commercial premises above, and 2.5M thermal transmittance values
Why This Matters
-
Massive Addressable Market
7.3M owner-occupied properties = £2–£9 billion opportunity -
High Owner-Occupancy Rates
45–59% owner-occupied (vs. ~35% for wall insulation) = decision-makers with investment capacity -
Quick Wins
2–4 hour install, minimal disruption, immediate energy savings -
Government Support
ECO4 funding, energy crisis, net zero targets drive demand -
Cross-Sell Opportunity
Perfect lead-in for wall insulation, boiler upgrades, solar
Market Segmentation by Insulation Status
Top 10 Upgrade Opportunities (Owner-Occupied)
Primary Target: No Insulation
- Opportunity: First-time loft insulation installation
- Typical Cost: £500–£1,200 per property
- Time to Install: 2–4 hours
- Average Property: 4.7 rooms, 99 sqm (larger homes)
- Owner-Occupancy: 46.89%
- Key Selling Point: Highest energy savings (25–30% heating costs), fastest payback
- Market Value: £730M–£1.75B
- 2.50 million owner-occupied properties
Secondary Target: 50mm Insulation
- Opportunity: Top-up from 50mm → 270mm (add 220mm)
- Typical Cost: £300–£600
- Time to Install: 1–3 hours
- Average Property: 4.7 rooms, 99 sqm
- Owner-Occupancy: 45.19% (largest segment)
- Key Selling Point: Quick, affordable, immediate savings, ECO4 eligible
- Market Value: £750M–£1.5B
- 1.45 million owner-occupied properties
Tertiary Target: 100mm Insulation
- Opportunity: Top-up from 100mm → 270mm (add 170mm)
- Typical Cost: £250–£500
- Time to Install: 1–2 hours
- Average Property: 4.6 rooms, 91 sqm
- Owner-Occupancy: 47.09%
- Key Selling Point: Quick upgrade to modern standard, ECO4 eligible
- Market Value: £363M–£725M
- 1.12 million owner-occupied properties
Quaternary Target: 200mm Insulation
- Opportunity: Top-up from 200mm → 270mm (add 70mm)
- Typical Cost: £150–£300
- Time to Install: 30–90 minutes
- Average Property: 4.5 rooms, 90 sqm
- Owner-Occupancy: 38.82%
- Key Selling Point: Minimal disruption, compliance with latest standards
- Market Value: £168M–£335M
Additional Segments
- 75mm insulation: 488,665 owner-occupied; £200–£450 top-up; £98M–£220M market
- 25mm insulation: 147,360 owner-occupied (highest owner-occupancy at 59.36%); £350–£700 top-up; £52M–£103M market
- Limited/Assumed insulation: 293,585 owner-occupied; requires inspection + tailored solution; £87M–£235M market
Detailed Market Segmentation
Top 30 Opportunity Segments (Owner-Occupied)
By Property Size and Insulation Level
| Property Size | Floor Area | Insulation Level | Properties | Avg Rooms | Typical Cost |
|---|---|---|---|---|---|
| 4–5 rooms (medium) | 70–100 sqm | 50mm | 954,106 | 4.6 | £300–£500 |
| 4–5 rooms (medium) | 70–100 sqm | 100mm | 524,585 | 4.5 | £250–£450 |
| 4–5 rooms (medium) | 70–100 sqm | No Insulation | 452,439 | 4.5 | £500–£900 |
| 4–5 rooms (medium) | 70–100 sqm | 200mm | 411,627 | 4.6 | £150–£300 |
| 6–7 rooms (large) | 100–150 sqm | 50mm | 323,443 | 6.4 | £400–£700 |
| 1–3 rooms (small) | Under 70 sqm | 50mm | 276,093 | 2.8 | £200–£350 |
| 4–5 rooms (medium) | 100–150 sqm | 50mm | 247,980 | 4.8 | £350–£650 |
| 4–5 rooms (medium) | Under 70 sqm | 50mm | 219,569 | 4.2 | £250–£400 |
| 4–5 rooms (medium) | 70–100 sqm | 75mm | 197,607 | 4.5 | £220–£400 |
| 6–7 rooms (large) | 100–150 sqm | 100mm | 191,440 | 6.3 | £300–£600 |
| 6–7 rooms (large) | 100–150 sqm | No Insulation | 189,087 | 6.3 | £700–£1,200 |
| 1–3 rooms (small) | Under 70 sqm | 100mm | 182,318 | 2.8 | £180–£350 |
| 4–5 rooms (medium) | 100–150 sqm | No Insulation | 175,804 | 4.8 | £600–£1,100 |
| 6–7 rooms (large) | 100–150 sqm | 200mm | 151,845 | 6.4 | £200–£400 |
| 4–5 rooms (medium) | 100–150 sqm | 100mm | 145,979 | 4.8 | £280–£550 |
| 1–3 rooms (small) | Under 70 sqm | No Insulation | 138,067 | 2.6 | £350–£650 |
| 4–5 rooms (medium) | Under 70 sqm | 100mm | 130,323 | 4.2 | £200–£400 |
| 1–3 rooms (small) | Under 70 sqm | 200mm | 118,927 | 2.8 | £120–£250 |
| 4–5 rooms (medium) | 100–150 sqm | 200mm | 110,307 | 4.8 | £180–£350 |
| 4–5 rooms (medium) | Under 70 sqm | No Insulation | 101,627 | 4.2 | £400–£750 |
Key Insights
- 954,106 medium homes with 50mm = largest single opportunity (volume play)
- 50mm dominates across all sizes = consistent messaging (“top-up to 270mm”)
- Small homes (<70 sqm) = lower costs, faster installs, high conversion potential
- Large homes (6–7 rooms) = premium pricing, higher margins
- No insulation homes are larger on average (99 sqm vs 90 sqm) = higher project values
Geographic Targeting
Top Markets (Owner-Occupied Loft Opportunities)
| Rank | Local Authority | Total Opportunities | No Insulation | Very Low (<100mm) | Low (100–150mm) | Medium (200mm) | Avg Rooms |
|---|---|---|---|---|---|---|---|
| 1 | Birmingham | 140,054 | 42,451 | 55,949 | 18,829 | 18,941 | 5.0 |
| 2 | Bradford | 99,140 | 25,176 | 39,872 | 15,715 | 14,999 | 4.9 |
| 3 | Cornwall | 88,312 | 13,583 | 39,149 | 15,770 | 16,775 | 5.0 |
| 4 | Leeds | 85,611 | 33,908 | 27,679 | 10,184 | 12,037 | 5.1 |
| 5 | County Durham | 76,881 | 14,648 | 34,710 | 11,037 | 14,127 | 4.7 |
| 6 | Kirklees | 65,331 | 18,078 | 26,211 | 9,218 | 9,895 | 5.0 |
| 7 | Wiltshire | 62,297 | 5,786 | 28,317 | 15,135 | 11,266 | 5.2 |
| 8 | Wakefield | 58,570 | 16,355 | 23,037 | 6,731 | 10,592 | 4.9 |
| 9 | Cheshire East | 57,170 | 8,003 | 27,230 | 10,910 | 9,340 | 5.2 |
| 10 | Bristol | 54,398 | 5,993 | 24,471 | 12,209 | 9,651 | 5.0 |
| 11 | Liverpool | 53,556 | 12,644 | 24,091 | 7,167 | 8,711 | 4.9 |
| 12 | Bolton | 52,346 | 15,239 | 21,535 | 5,541 | 8,921 | 4.8 |
| 13 | East Riding of Yorkshire | 52,294 | 8,482 | 23,391 | 8,934 | 9,518 | 5.1 |
| 14 | Bristol, City of | 52,049 | 9,862 | 22,126 | 11,091 | 7,606 | 4.8 |
| 15 | Buckinghamshire | 51,463 | 6,915 | 21,374 | 13,939 | 6,836 | 4.7 |
| 16 | Northumberland | 48,361 | 6,675 | 23,836 | 6,423 | 9,898 | 4.9 |
| 17 | Stockport | 47,599 | 10,223 | 21,483 | 6,690 | 7,744 | 4.8 |
| 18 | Doncaster | 47,308 | 8,678 | 21,571 | 7,306 | 8,523 | 4.9 |
| 19 | Cheshire West and Chester | 46,889 | 5,974 | 22,976 | 8,576 | 8,108 | 5.1 |
| 20 | Dudley | 45,884 | 9,138 | 21,026 | 7,373 | 7,054 | 5.1 |
Geographic Insights
- Birmingham (#1): 140,054 opportunities — 42k no insulation, 56k very low = massive first-time install market
- Bradford (#2): balanced mix; stone construction areas = breathable insulation considerations
- Cornwall (#3): rural, older stock, 39k very low insulation
- Leeds (#4): 85,611 opportunities; 34k no insulation (largest first-time segment)
- Yorkshire dominates: Bradford, Leeds, Kirklees, Wakefield, East Riding = 356k opportunities
- West Midlands cluster: Birmingham, Dudley, Walsall = 210k+ opportunities
- South West: Cornwall, Wiltshire, Bristol, Devon = 220k+ opportunities (rural/coastal)
Market Recommendations
Priority 1: 50mm Top-Up — Medium Homes
- 954,106 properties (4–5 rooms, 70–100 sqm)
- Product: 220mm mineral wool/glass fiber top-up
- Price: £300–£500
- Volume play: fast install (1–3 hours), ECO4 eligible
- Focus: Birmingham, Bradford, Cornwall, Leeds
Priority 2: No Insulation — Medium Homes
- 452,439 properties (4–5 rooms, 70–100 sqm)
- Product: 270mm mineral wool/glass fiber install
- Price: £500–£900
- High margin: first-time install, maximum savings, premium messaging
- Focus: Birmingham (42k), Leeds (34k), Bradford (25k)
Priority 3: 100mm Top-Up — Medium Homes
- 524,585 properties (4–5 rooms, 70–100 sqm)
- Product: 170mm mineral wool/glass fiber top-up
- Price: £250–£450
- Quick wins: 1–2 hours, immediate ROI, ECO4 eligible
- Focus: Birmingham, Cornwall, Bradford
Market Sizing Examples
Scenario 1: 50mm Top-Up Volume Play
- Target: 954,106 medium homes with 50mm
- Avg job value: £400
- Total market: £381.6M
- At 1% capture: £3.82M annual revenue
- Jobs required: ~9,541 installs/year
- Margins: 50–65% (materials £120–£150, labour £80–£100)
Scenario 2: No Insulation Premium Segment
- Target: 1,463,567 properties with no insulation
- Avg job value: £750
- Total market: £1.10B
- At 0.5% capture: £5.48M annual revenue
- Jobs required: ~7,318 installs/year
- Margins: 45–60% (materials £200–£250, labour £120–£150)
Scenario 3: Mixed Portfolio (Realistic Installer)
- Target: All insulation levels in Birmingham area (140,054 properties)
- Mix: 30% no insulation (£750), 50% 50mm top-up (£400), 20% 100mm top-up (£300)
- At 2% capture: £1.33M annual revenue
- 840 no-insulation installs × £750 = £630k
- 1,401 × £400 = £560k
- 560 × £300 = £168k
- Jobs required: ~2,801 installs/year (~11 per working day with 2 crews)
Product–Market Fit
Loft Insulation Products by Scenario
| Current Insulation | Top-Up Required | Material Type | Cost Range | Install Time | Difficulty | Funding |
|---|---|---|---|---|---|---|
| No insulation | 270mm | Mineral wool/glass fiber | £500–£1,200 | 2–4 hours | Low–Medium | ECO4, LA Flex |
| 25mm | 245mm | Mineral wool/glass fiber | £350–£700 | 1.5–3 hours | Low | ECO4 |
| 50mm | 220mm | Mineral wool/glass fiber | £300–£600 | 1–3 hours | Low | ECO4 |
| 75mm | 195mm | Mineral wool/glass fiber | £200–£450 | 1–2 hours | Low | ECO4 |
| 100mm | 170mm | Mineral wool/glass fiber | £250–£500 | 1–2 hours | Low | ECO4 |
| 150mm | 120mm | Mineral wool/glass fiber | £180–£350 | 45–90 mins | Low | ECO4 |
| 200mm | 70mm | Mineral wool/glass fiber | £150–£300 | 30–60 mins | Low | ECO4 |
Installer Business Models
Volume Installer (50–100mm Top-Ups)
- Focus: 50–100mm properties (4M+ opportunities)
- Technology: Roll/batt mineral wool/glass fiber
- Price: £300–£500
- Sales model: Direct marketing, aggregators, partnerships
- Margin: 55–65%
- Target: 2,000–5,000 installs/year
Premium First-Time Installer
- Focus: No-insulation properties (1.5M+ opportunities)
- Technology: Mineral wool + vapor barriers, boards for difficult access
- Price: £600–£1,200
- Sales model: Consultative, ECO4 partnerships, energy audits
- Margin: 45–60%
- Target: 500–1,500 installs/year
Regional Generalist
- Focus: All insulation levels in a geographic area
- Technology: Full product range
- Price: £150–£1,200 (flexible)
- Sales model: Local reputation, word-of-mouth, ECO4
- Margin: 50–60%
- Target: 1,000–3,000 installs/year
Xenscope Platform: Precision Targeting Beyond Basic Demographics
This report demonstrates just a fraction of what Xenscope can deliver. The platform combines multiple authoritative data sources to provide unparalleled targeting precision.
Advanced Filtering Capabilities
- Full property address (including UPRN)
- Roof details: exact insulation depth, roof type, loft accessibility
- Energy profile: current & potential EPC rating, heating costs
- Physical characteristics: floor area (sqm), number of rooms, property type
- Current installations: wall insulation, windows, heating system
- Improvement opportunities: recommendations with cost & savings
- Heating costs: target high cost = high savings potential
- Construction age: pre/post-1980s, pre/post-2000s (insulation regs)
Property Intelligence (93+ Data Points)
- EPC data fields (current/potential rating, costs)
- Installation indicators
- Recommendation and opportunity fields
Demographic Intelligence (Xenscope AI-Inferred Models)
- FPRI (Fuel Poverty Risk Index): identifies fuel poverty vulnerability (high risk = ECO4 eligible)
- ACI (Affluence & Capability Index): scores area affluence and investment propensity
Geographic & Market Intelligence
- Local Authority District (LA Flex schemes)
- Postcode sector/district (route optimization, territory planning)
- Property price data (ROI calculations)
- Tenure type (owner-occupied, private rented, social)
- Transaction history (recent sales, ownership duration)
Real-World Targeting Scenarios
Scenario 1: Volume 50mm Top-Up — Value-Conscious Homeowners
Filter:
- Roof insulation: 50mm
- Property value: £150,000–£350,000
- ACI: medium affluence
- Size: 4–5 rooms, 70–100 sqm
- Heating cost > £1,200/year
- Postcode sector: Birmingham/Bradford/Leeds clusters
Result: 287,432 owner-occupied semi-detached properties
Offer: £300–£500 install; 2–3 year payback; direct mail with savings calculator (~£350/year savings)
Scenario 2: ECO4 Funding Maximization — First-Time Installs
Filter:
- Roof insulation: No insulation OR 25–50mm
- FPRI: high fuel poverty risk (ECO4)
- EPC: D/E/F/G
- Tenure: owner-occupied
- Floor area: 70–120 sqm
- Local authority: LA Flex scheme
Result: 634,289 ECO4-eligible properties
Funding: £300–£900 per property (zero customer cost)
Approach: clusters + ECO4 partner route efficiency
Scenario 3: Premium First-Time Install — Affluent Homeowners
Filter:
- Roof insulation: No insulation
- Property value > £400,000
- ACI: high affluence
- Size: 6–7 rooms, 100+ sqm
- EPC: E or F
Result: 78,943 high-net-worth properties
Offer: £700–£1,200 install; expected close rate 12–18%; premium eco/property value messaging
Scenario 4: Multi-Measure Package — Maximum Revenue
Filter:
- Roof insulation: No insulation OR 50–100mm
- Wall: cavity uninsulated OR solid brick
- Windows: single glazed OR partial double glazed
- Heating system age > 12 years
- ACI: medium-high affluence
- Value: £250,000–£450,000
- EPC: E or F
Result: 124,567 whole-house upgrade properties
Package: Loft £600 + Cavity £1k + Windows £6k + Boiler £3k = £10.6k
Angle: cross-sell + financing + EPC jump (E/F → B)
Scenario 5: Quick Wins — 200mm Top-Up Blitz
Filter:
- Roof insulation: 200mm
- Value: £200,000–£400,000
- ACI: medium affluence (£150–£300 budget)
- Heating cost > £1,000/year
- Same-postcode opps: 5+ properties
Result: 82,347 properties
Offer: £150–£300 install; 30–60 mins; street-by-street canvassing (“doing your neighbours…”)
Xenscope Platform Advantages
| Feature | Basic CRM / Lead Gen | Xenscope Platform |
|---|---|---|
| Address Data | Postcode only | Full address + UPRN |
| Roof Details | Generic (loft yes/no) | Exact insulation depth (25mm, 50mm, 100mm, etc.) |
| Affluence | Broad demographic | AI-inferred ACI + FPRI + IMD (7 domains) |
| Energy Data | None | 93 EPC fields incl. current/potential rating, costs |
| House Prices | Manual research | Land Registry sale price data |
| Targeting Precision | Postcode sector | Individual property with full profile |
| Cross-Sell Intel | None | Walls, windows, heating, solar opportunities |
| ROI Calculation | Generic estimates | Property-specific energy savings + heating costs |
| Route Optimization | Manual mapping | Geographic clustering with property characteristics |
| Data Freshness | Static lists | Live database (28.9M properties, monthly updates) |
Example: Birmingham Deep Dive
Birmingham has 140,054 loft insulation opportunities — here’s what Xenscope reveals:
Volume 50mm Top-Up Segment
- 55,949 properties with 50mm insulation
- Filter by ACI: 18,234 medium affluence score (£200–£400 budget sweet spot)
- Property type: 31,256 semi-detached (easy loft access)
- Size: 24,567 medium homes (70–100 sqm = £350–£450 installs)
- Postcode clustering: 78% in just 22 postcode sectors (route efficiency)
ECO4 First-Time Install Pipeline
- 42,451 properties with no insulation
- With FPRI high risk: 17,892 fuel poverty vulnerable (ECO4 qualifying)
- EPC D/E/F/G rated: 28,334 (government priority)
- IMD deciles 1–4: 19,478 (eligible for LA Flex)
- Birmingham LA Flex scheme: active partnership opportunity
Premium No Insulation (Affluent)
- 42,451 properties with no insulation
- High ACI score: 4,829 properties (£450k+ avg value, able to pay £800–£1,200)
- Large homes (6–7 rooms): 8,934 properties (150+ sqm = premium pricing)
- Affluent suburbs: Sutton Coldfield, Edgbaston, Moseley clusters
Data to Intelligence
How It Works
-
Search
Search properties in your specific areas with 90+ filters & attributes including AI-inferred Affluence & Capacity Index -
Select
Select fields (over 110 total) from EPC info to house price — export to CRM-friendly JSON/CSV -
Send
Send customised direct mail to the householder using exported fields for personalised outreach
e.g. “we know everything about your house and could save you £x”
Compare Your Results
| Lead Source | What You Get | Cost | Conversion | Cost/Sale |
|---|---|---|---|---|
| Generic Postcode Lists | “Birmingham B17” (1000s of properties) | £200 | 0.5% | £40+ |
| Home Improvement Aggregators | Shared leads (10+ competitors) | £25–£150 per lead | 2–5% | £500–£7,500 |
| Xenscope Precision Data | Exact address + full property profile | £1–£3 per property | 6%+ | £20–£150 |
The difference: You know EXACTLY what they need before you knock.
Beyond Insulation
Once you see the power of property-level intelligence, imagine applying it to:
- Wall insulation (5.28M owner-occupied opportunities)
- Loft insulation (7.34M owner-occupied opportunities)
- Solar panel installation (12M+ suitable roofs)
- Heat pump upgrades (8M+ oil/LPG boiler replacements)
- Boiler replacement (10M+ aging systems)
- EV charger installation (18M+ properties with driveways)
One platform. Complete home improvement intelligence. Every property in the UK.
Stop Guessing. Start Targeting the Right Homes.
Try xenscope free and discover properties most likely to need and afford energy upgrades.
Technical Notes
- Data Source: Xenscope & Official UK Government EPC Certificates
- Date Range: Current as of February 2026
- Total Records: 28,934,660 properties
- Properties with Accessible Lofts: 22,826,516 (excludes flats, commercial above)
- Owner-Occupied with Loft Opportunities: 7,340,000 properties
- Roof Description Coverage: 100% include roof type/insulation status
Data Quality: Government-verified assessments by qualified energy assessors
Methodology: Categories based on descriptive roof insulation values; excludes thermal transmittance for clarity
Market sizing: Conservative, based on industry-standard pricing from National Insulation Association and TrustMark installers

