Services & Pricing
Door, window and glass installation for residential and commercial properties, with clear guidance on what affects the final cost.
01 — PRICING APPROACH
Installation,
not online sales.
D.J FIRST provides installation services rather than online product sales. The prices below are intended as guide prices for installation work and are not fixed quotations.
The final cost depends on the size and number of openings, existing conditions, access, installation requirements and any additional work needed at the property.
01
Important
The website does not process installation payments.
Any deposit or final balance is arranged directly with the customer using payment instructions or another payment method provided by the D.J FIRST team.
02 — OUR SERVICES
Installation services
with clear starting prices.
Professional installation for doors, windows and glass systems.
Our guide prices cover standard installation work and are subject
to site conditions and final assessment.
SERVICE 01
Standard Door Installation
From £100 / door
Suitable for:
Standard size doors:
- Internal doors
- Replacement doors
- Existing door openings
- Standard residential properties
Up to approximately:
- Width: 760mm–926mm
- Height: 1981mm–2040mm
Included in this price:
✓ Remove existing door leaf (if simple removal required)
✓ Fit new door into existing prepared opening
✓ Install hinges and standard hardware
✓ Adjust door alignment
✓ Check opening and closing operation
✓ Apply basic sealing where required
✓ Remove small installation waste
Not included:
× New door supply
× New frame replacement
× Structural opening changes
× Plaster repairs
× Painting or decorating
SERVICE 02
uPVC Window Installation
From £80 / window
Suitable for:
Standard size uPVC windows:
- Replacement windows
- Bedroom windows
- Living room windows
- Existing residential window openings
- Standard ground-floor installations
Up to approximately:
- Width: 600mm–1200mm
- Height: 600mm–1200mm
Included in this price:
✓ Remove existing window unit (where standard removal is possible)
✓ Position and fit new uPVC window into existing opening
✓ Secure window frame correctly
✓ Adjust opening mechanisms and hinges
✓ Apply basic perimeter sealing
✓ Check weather protection and operation
✓ Complete final installation checks
✓ Remove small installation waste
Not included:
× New window supply
× New window manufacturing
× Structural opening alterations
× Brickwork repairs
× Scaffolding or specialist access equipment
× Internal plaster repairs
× Painting or finishing work
SERVICE 03
Aluminium Window Installation
From £100 / window
Suitable for:
Standard size aluminium windows:
- Modern residential properties
- Property extensions
- Commercial buildings
- Replacement aluminium windows
- Existing prepared openings
Up to approximately:
- Width: 800mm–1500mm
- Height: 800mm–1200mm
Included in this price:
✓ Position aluminium window frame into prepared opening
✓ Secure frame fixing
✓ Check frame alignment and positioning
✓ Apply suitable perimeter sealing
✓ Adjust window operation
✓ Check opening and locking function
✓ Complete basic installation inspection
✓ Remove small installation waste
Not included:
× Aluminium window supply
× Bespoke window fabrication
× Large commercial glazing systems
× Structural alterations
× Heavy lifting equipment
× Scaffolding or access platforms
× Specialist finishing requirements
SERVICE 04
Timber Window Installation
From £100 / window
Suitable for:
Standard timber replacement windows:
- Traditional residential properties
- Period properties
- Replacement timber windows
- Existing suitable window openings
Up to approximately:
- Width: 600mm–1200mm
- Height: 600mm–1200mm
Included in this price:
✓ Remove existing window unit (where suitable)
✓ Position timber window into existing opening
✓ Secure frame correctly
✓ Check window alignment
✓ Apply basic sealing around the frame
✓ Adjust opening and closing operation
✓ Carry out final fitting checks
✓ Remove small installation waste
Not included:
× Timber window supply
× Timber frame repair
× Rotten wood replacement
× Specialist restoration work
× Structural opening changes
× Painting, staining or decorating
× Internal finishing repairs
SERVICE 05
Glass Curtain Wall Installation
From £110 / m²
Suitable for:
Standard glass curtain wall installation:
- Small commercial glazing projects
- Office buildings
- Retail premises
- Modern residential extensions
- Larger glazed areas
From approximately:
- Small projects: 10m²+
- Standard installation areas
- Existing suitable structural openings
Included in this price:
✓ Site measurement review
✓ Position aluminium curtain wall framing system
✓ Install agreed glazing system components
✓ Check frame alignment and positioning
✓ Apply perimeter sealing where required
✓ Carry out installation quality checks
✓ Confirm basic system operation
✓ Remove normal installation waste
Not included:
× Glass curtain wall system supply
× Aluminium profile manufacturing
× Structural glazing design
× Structural modifications
× Scaffolding
× Mobile lifting equipment
× Large-scale commercial access solutions
× Specialist engineering services
About Our Guide Prices:
The prices shown above are starting guide prices for standard installation work only. They are based on suitable existing openings, normal access conditions and straightforward installation requirements.
The final quotation may vary depending on the property, size of the installation, existing conditions, access requirements and any additional preparation work needed.
03 — ADDITIONAL WORK
Additional Work & Charges
The following items are not included in the standard installation prices and may be charged separately where required. Any additional costs will be discussed and agreed before the work begins.
Any additional costs will always be discussed with the customer before work begins.
04 — PRICE CONSIDERATIONS
What affects your final price?
Every property is different. Your final installation cost depends on the work required at your property and the condition of the existing openings.
01
Size of the installation
Larger doors, windows and glazing systems require additional handling time and installation work.
- Larger window dimensions
- Wider door openings
- Multiple units
- Large glazed areas
02
Existing conditions
The condition of the current opening can affect preparation requirements before installation begins.
- Existing frame condition
- Damaged surrounding areas
- Uneven openings
- Additional preparation work
03
Access requirements
Some properties require additional equipment or preparation due to access limitations.
- Upper floors
- Restricted access
- Limited working space
- Specialist equipment
04
Finishing requirements
Additional finishing work may be required after installation to complete the surrounding area.
- Internal repairs
- External sealing
- Making good
- Decoration work
05 — Our Installation Process
From assessment to installation
We keep the process straightforward, from the first site visit to the final installation checks.
STEP 01
Initial
Assessment
We review your requirements, discuss the installation area and arrange a suitable site assessment.
STEP 02
Site
Measurement
Accurate measurements are taken to understand the opening size, access conditions and installation requirements.
STEP 03
Quotation
Confirmation
You receive a clear quotation based on the installation requirements identified during the assessment.
STEP 04
Installation
Day
Our team completes the installation, checks alignment, sealing and operation before finishing the work area.
STEP 05
Final
Check
We review the completed installation and confirm that everything is working correctly.
06 — Why choose D.J FIRST
Installation built around your property
Accurate Measurements
Every installation starts with checking the opening, dimensions and site conditions before work begins.
Careful Installation
We focus on correct positioning, sealing and adjustment to help ensure doors and windows operate properly.
Clear Communication
From assessment through to completion, we keep customers informed about the installation process
06 — Payment & Booking Information
How booking and payment works
01
Book an Assessment
Complete the booking form and provide details about your installation requirements.
02
Site Assessment
Our team reviews your requirements and confirms the installation details.
03
Receive Your Quote
A quotation is provided based on the work required.
04
Arrange Payment
Any deposit or final balance is arranged directly with the customer using the payment instructions provided by D.J FIRST.
Important
D.J FIRST does not process installation payments through this website. This website is used to arrange installation assessments and provide service information only.
Planning a new door or window installation?
Tell us about your project and arrange an installation assessment with D.J FIRST.