Why Our uPVC Installations Across Wellington Matter

Wellington is one of the most demanding environments in New Zealand for windows and doors. High winds, salt air, humidity, and heritage requirements mean not every system performs the same.

Each Blue Door project demonstrates:

• Superior thermal performance
• Zero frame condensation
• Excellent wind and weather resistance
• Heritage-appropriate aesthetics where required
• Long-term durability with minimal maintenance

Why Homeowners Choose Blue Door

Across every project, our clients benefit from:

• uPVC frames up to 140% better thermal performance than aluminium
• Extra High wind zone ratings
• Multi-point locking for airtight sealing
• Condensation-free frames
• Heritage-appropriate options
• Minimal maintenance and 40+ year lifespan

Tawa Home – uPVC Window Replacement & Compliance Upgrade

Location: Tawa, Wellington
Home Type: Older residential two-storey home
Products Installed: White uPVC windows with Low-E double glazing

The Challenge

The homeowners were dealing with an older 1970s build that had inefficient original joinery, resulting in:

• Noticeable heat loss through existing windows
• Draughty upstairs living areas
• General discomfort during colder months
• Outdated sealing and weatherproofing performance
• Added complexity of working on second-storey window replacements

Our Solution

We carried out a replacement of the existing windows with modern white uPVC units designed for high thermal performance and low maintenance.

Key installation details included:

• Careful removal of old windows to protect external cladding and internal linings
• Installation of sill tape to bring the home up to current New Zealand building code requirements
• Precision fitting of uPVC windows to ensure airtight performance
• Formation of new windows around existing reveals for a clean, compliant finish
• Installation completed on the second storey with full safety and access planning

The Result

The upgrade delivered an immediate improvement in overall comfort throughout the home, particularly in upstairs living spaces.

• Noticeably warmer and more stable indoor temperatures
• Reduced draughts and heat loss
• A cleaner, more modern exterior appearance
• Low-maintenance, durable window system moving forward
• Improved compliance with current building standard

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Client Feedback:

“Straight away we could feel the difference upstairs. The house feels warmer, quieter, and so much more comfortable. The whole process was smooth and the finish looks really sharp.”

Karori Hilltop Home – Extra High Wind Zone Performance

Location: Karori
Home Type: Exposed hillside residential property
Products Installed: White uPVC windows and doors, Low-E glazing

The Challenge

This home sits in a highly exposed location, regularly hit by strong southerlies. The existing aluminium windows:

• Rattled in high winds
• Allowed air and water ingress
• Were cold to the touch
• Contributed to high heating bills

Our Solution

We installed Extra High wind-rated uPVC windows with reinforced frames and multi-point locking systems designed specifically for Wellington conditions.

The Result

• Silent performance even in 80+ km/h winds
• No air leakage or water penetration
• Noticeably warmer internal temperatures
• Improved comfort throughout the home

Client Feedback:

“Our old windows rattled constantly. These are rock solid – even during the worst southerlies. The difference is night and day.”
— Mike & Jenny, Karori

Ngaio Family Home – Condensation Elimination

Location: Ngaio
Home Type: 1980s family home
Products Installed: uPVC windows with Low-E double glazing

The Challenge

The homeowners experienced daily condensation:

• Windows dripping every morning
• Mould growth around frames
• Water damage to sills and curtains
• Time-consuming daily wiping routine

Our Solution

We replaced the existing aluminium windows with uPVC frames designed to keep internal surface temperatures well above the dew point.

The Result

• 100% elimination of frame condensation
• Significantly reduced glass condensation
• Healthier indoor environment
• Heating bills reduced by approximately 40%

Client Feedback:

“Six months later and not one single drop of condensation on the frames. After 15 years of wiping windows every morning, it’s life-changing.”
— David R, Ngaio

Thorndon Character Home – Council-Approved Heritage Installation

Location: Thorndon
Home Type: Character home in a heritage-controlled area
Products Installed: Golden Oak uPVC windows

The Challenge

The home required window replacement but was subject to:

• Strict heritage design rules
• Council approval requirements
• Need to retain original appearance

Our Solution

We worked closely with council, providing documentation and specifications that demonstrated how the Golden Oak uPVC windows preserved the home’s character while improving performance.

The Result

• Heritage approval granted
• Authentic street appearance retained
• Warm, dry interior with no condensation
• Long-term durability without repainting

Client Feedback:

“Blue Door handled the entire council process. From the street they look like timber, but the performance inside is incredible.”
— Jennifer, Thorndon

Island Bay Coastal Home – Salt Air Resistance

Location: Island Bay
Home Type: Coastal residential property
Products Installed: uPVC windows with corrosion-resistant hardware

The Challenge

Located just metres from the sea, the home suffered from:

• Corrosion of aluminium window frames
• Failing hardware due to salt exposure
• Frequent maintenance and repairs

Our Solution

uPVC windows were selected for their complete immunity to salt corrosion, combined with Grade 4 corrosion-resistant German hardware.

The Result

• No corrosion or deterioration
• Smooth operation year-round
• Zero maintenance despite coastal exposure

Client Feedback:

“Three years on and the windows still look brand new. No corrosion at all – something aluminium could never handle here.”
— Lisa, Island Bay