The ideal choice for your driveway inspection needs, this manhole cover is crafted from durable polypropylene and features a slip-resistant surface, making it suitable for tarmac, grass, or gravel areas. Its construction not only ensures robustness and longevity but also supports the environment, as it's made from recycled materials.

The design incorporates dual locking capabilities with locking screws, providing both security and user-friendly access to the covered area. Rated to handle weight loads up to 3.5 tonnes (35kN), this solid top cover offers peace of mind with its strength and reliability. With an external dimension of 550mm by 50mm and a clear opening of 450mm in diameter, it fits seamlessly and unobtrusively into its surroundings while allowing easy maintenance access. This functional and eco-friendly product is a stylish and practical solution for residential driveways.

  • External Dimensions: 550mm (W) x 50mm (D)
  • Clear Opening: 450mm Diameter
  • Application: Suitable for driveways
  • Locking: Secure dual locking screws
  • Loading Capacity: 3.5 Tonnes - 35kN
  • Cover Type: Solid top for durability
  • Material: Made of strong polypropylene
  • Eco-friendly: Composed of recycled materials

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

Showing 3 of our total 5 reviews, with an average rating of 5 stars. Read all 5 reviews for CD 452 450mm Inspection Chamber Manhole Round Plastic Cover/Frame.
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Review Summary - 5 out of 5 based on 5 ratings.
May 30, 2025 | Julian Stimson
CD 452 450mm Inspection Chamber Manhole Round Plastic Cover/Frame

Great biy of kit

August 24, 2024 | stephen Robertshaw
CD 452 450mm Inspection Chamber Manhole Round Plastic Cover/Frame

Excellent service and quick delivery would recommend thank you, stephen

September 4, 2023 | Guest
CD 452 450mm Inspection Chamber Manhole Round Plastic Cover/Frame

Direct replacement for previous cover. No issues does exactly what it’s meant to do

Clark Drain CD 452 450mm Inspection Chamber Manhole Round Plastic Cover/Frame

  • $31.28
  • (Delivery from $6.85 )
Item in Stock   |   Usually dispatched within 24 hours
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Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
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