Double vs Secondary Glazing in
Bishop's Stortford
Perfect for flats and heritage homes where frame replacement may be restricted. Compare your glazing options.
Double vs Secondary Glazing Comparison
Choose the right solution for your property type
| Feature | Double Glazing | Secondary Glazing |
|---|---|---|
| Installation | Replace entire frame | Internal fitting only |
| Planning Permission | May be required | Not required |
| Cost per Window | £400-700 | £200-400 |
| Thermal Performance | Excellent | Good (60-80% of double) |
| Noise Reduction | 25-30dB | 40-45dB |
| Reversible | No | Yes |
| Flat/Lease Friendly | Often restricted | Usually permitted |
Which Solution Suits You?
Choose based on your property type and restrictions
Choose Double Glazing If:
- • You own the property outright
- • Maximum thermal efficiency needed
- • No planning restrictions
- • Long-term investment
- • Modern property style
Choose Secondary Glazing If:
- • You live in a flat or rental
- • Listed building or conservation area
- • Noise reduction is priority
- • Budget constraints
- • Need reversible solution
Expert Recommendation
Secondary glazing is often the best solution for Bishop's Stortford flats and heritage properties.
It provides excellent noise reduction and good thermal performance without planning complications.
We'll survey your property to recommend the optimal solution.
Frequently Asked Questions
Expert answers to double vs secondary glazing questions
Secondary glazing achieves 60-80% of double glazing's thermal performance. While not quite as efficient, it's often the only option for listed buildings or flats where frame replacement isn't possible.
Yes, secondary glazing is ideal for flats as it doesn't require structural changes or external alterations. Most leases permit secondary glazing as it's fitted internally and reversible.
No, secondary glazing is fitted internally and doesn't require planning permission. It's perfect for conservation areas and listed buildings where external changes are restricted.
Secondary glazing typically costs £200-400 per window, making it 30-50% cheaper than double glazing replacement. It's often the most cost-effective solution for heritage properties.
Secondary glazing can actually provide superior noise reduction, achieving 40-45dB reduction compared to 25-30dB for standard double glazing, due to the larger air gap between panes.
Yes, secondary glazing is completely reversible and can be removed without damage to original windows. This makes it perfect for rental properties and heritage buildings.
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