Request A Callback
01752 228081
£0.00 (inc. VAT)
British Sterling
35 years experience and expertise in the door industry 35 years experience and expertise in the door industry We selectively source of all our products We selectively source of all our products No hidden charges – the price you see is what you’ll pay No hidden charges – the price you see is what you’ll pay
Previous Image
Next Image
Premdor External Oak CHATSWORTH Part L Modern 1 Light Double Glazed Door
Hover over image to zoom.
Click to enlarge

Premdor External Oak CHATSWORTH Part L Modern 1 Light Double Glazed Door

£463.60 (inc. VAT)
Item out of Stock    |  Usually dispatched within 24 hours
    Add to Bag
    This product has been added to your basket...
    • Continue Shopping
    • Checkout


    Product Summary

    MATERIAL: White Oak

    CORE CONSTRUCTION: Engineered 



    FINISH: Unfinished white oak

    GLAZING: Double glazed obscured design


    This new range of exterior 'Part L' compliant doors are available in a range of popular styles and sizes, are all FSC® certified and suitable for a range of new build projects.

    • This new range has a design choice to suit almost any home exterior

    • Modern twist on a traditional door design

    • Fully supplied pre-glazed with insulated glass units - toughened inner and outer panes for added security

    • Pre-glazed with 'Chinchilla' obscured double glazing

    • Dowelled joints to ensure maximum strength between the stiles and rails

    • Real wood white oak veneer to both faces of the door

    • Panels to maximise heat retention allowing the door to meet current 'Part L' building regulations and sealed into stiles and rails to prevent moisture penetration

    • Door thickness is 44mm (1 3/4")

    • Ready for home finishing

    • FSC® Chain of Custody

    • 5 year manufacture guarantee against manufacturing defects

      Please note: Door handle pictured is not included.

    Click here to view our door finish and care guidelines



    32" x 80" (813mm x 2032mm x 44mm)

    33" x 78" (838mm x 1981mm x 44mm)

    Technical Information

    Part L compliant doors:

    • Improves insulation and energy efficiency that can reduce energy bills

    • Independently tested and certified as achieving full Part L compliance

    • Suitable for new build projects or renovations as they meet current Part L building regulations

    • The doors carries a thermally efficient ‘U’ value rating, which is the measurement of the rate of heat loss through a material

    • A lower U Value indicates a door with higher levels of insulation and the value required to meet Part-L of the building regulations is 1.8W/m2K or less
    • The U value quoted is based on the door leaf being hung in a tim,ber frame to produce a doorset size (1000mm x 2000mm)

    • Please check that the U value quoted is low enough to meet the requirements of the building regulations in place where the door will be installed

    Exterior entrance doors for use in all new build and as replacement doors are required to have a thermally efficient "U" value. The "U" value required for a particular application will be given in the local building regulations. The "U" values quoted are manufacturer's calculations based on the door leaf being hung in a timber frame to produce a doorset size 1000mm x 2000mm. These values should be low enough to meet the requirements of Part L of the building regulations for England and Wales. Please check that these values are low enough to meet the requirements in the area where they will be installed prior to ordering.


    Door finishing: No guarantee against moisture ingress/loss related problems (such as swelling, shrinkage, warping and open joints) if the door IS NOT correctly coated with a quality exterior door finish specially formulated to protect external doors

    Manufacturing guarantee: Guarantees are subject to the product being treated in accordance with Premdor's instructions for storage, handling, installation, maintenance and exclude use of ironmongery where applicable. This instructional guides can be found here (opens in new window)

    Premdor is committed to the continuous improvement of it's environmental management programme. 

    The company's UK manufacturing and warehouse facility has been independently accredited to meet the requirements of the environmental management standard - BS EN ISO 14001

    All Premdor doors are manufactured in accordance with the principles of the FSC. Certification is available here (opens in new window) 


    Delivery Policy


    All of our stated prices are inclusive of VAT and delivery fees (except for trade account deliveries)

    Orders that weigh over 2kg and/or measure over 900mm in length may be subject to a surcharge for deliveries to the following UK regions:

    • Northern Ireland (All BT postcodes)

    • Scottish Grampians (All AB postcodes) 

    • Scottish Highlands (All IV, KW, FK (19-21), KA (27-30), PA (20-40) and PH (8-50) postcodes) 

    • Scottish Offshore Islands inc Shetlands (All ZE, HS and PA (42-88) postcodes)

    • Isle of Man (All IM postcodes) 

    • Scilly Isles (All TR21-TR25 postcodes) 

    • Channel Islands (All JE and GY postcodes) 

    • Isle of Wight (All PO31-PO40 postcodes)

    Pallet deliveries of approximately 5+ doors (excluding cabinet and louvre doors) to the following areas may also be subject to surcharges: 

    • All areas above

    • Central London (All N, NE, NW, W, SW, S, SE, E postcodes except E4)

    Please note that surcharge pricing may vary depending on your order and your region. Surcharges are capped at £50.00 (excluding pallets). Please contact us for detailed pricing for your order if you wish to receive delivery to any of the above areas. 

    Please be advised that orders for 2 or more doors may be delivered using a palletised service.
    This service will only deliver your order to the road/kerbside as close to your property as possible using a tail lift, and the courier will not be able to assist with the unloading of the doors from the pallet itself. The pallet will not be taken away by the courier. The courier will be asked to contact you ahead of delivery, therefore a valid telephone number will be required. All palletised deliveries require a signature to confirm that the goods have been delivered without damage. Should this delivery arrangement not be suitable for you, or in the event of there being access restrictions to your delivery address, please contact us prior to placing your order. Please read our delivery policy for further information.

    On the rare occasion an item offers a Collection Only service and cannot be delivered using traditional methods, the item will have a Collection Only message displayed next to the price on that particular listing. 

    contact us for full pricing and advice.


    Returns Policy

    Please visit our returns page for the full policy

    We would love all our customers to be happy with their purchases. However, should you wish to return your order for any reason, please read the following:
    • Returns are accepted with the exception of Special Order items, if they are sent back to us in the original packaging within 30 days of receipt

    • All goods MUST be inspected for any damage in accordance with our Delivery Policy, and we kindly request that any claims for damage be reported via email to us within 48 hours of receipt but within a maximum of 30 days from receipt. Where there is evidence of damage to the outer transit packaging you must mark the delivery as “Damaged“ when signing for it

    • Should you choose to return your order for reasons other than damage/defect, please include a completed returns form within your parcel

    • No statutory cancellation rights apply to products that have been specifically made to your requirements, design or measurements

    • Refunds will be processed within 30 days of receipt of any returned items

    Doorweb, Unit 321, Faraday Mill Business Park, Faraday Road, Plymouth, PL4 0ST

    Our Returns Form can be downloaded here