- Postcode district
- RM10
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 4–6 weeks for the door after the opening is measured; building work scheduled around approvals
- Guide price
- From £6,595 inc VAT
- Nearby
- Barking, Romford, Hornchurch
- Building rules
- England
New and widened openings for sliding doors in Dagenham: what to know
Before you settle on a door type, it helps to know what sliding doors for new openings do well and what to check before you order.
If your Dagenham home is semi-detached or terraced and the new steel would sit on the shared wall, budget time for party wall notices before work starts.
Where a Dagenham house has a bay, chimney breast or upstairs window directly above the planned opening, the engineer will need to account for it in the steel design.
- Temporary propping holds up the wall above while the masonry is cut out, keeping floors, ceilings and the roof safely supported throughout the work.
- Structural calculations are included in the guide price, and the Building Regulations application is handled as part of the project, so you are not left coordinating engineers and inspectors.
- Making good the reveals and head after the steel goes in leaves a square, plumb opening, which is what a precision-made sliding door needs to run smoothly.
Sunlight, glass and orientation in Dagenham
In Dagenham the shortest day has roughly 7 h 49 min of daylight and the longest about 16 h 39 min. The noon sun sits near 15° above the horizon in winter and 62° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
How much do sliding doors for new openings cost in Dagenham?
Use these guide prices to budget for the whole job in Dagenham: the door, the steelwork, making good and the engineer's calculations, including VAT. Building Control or warrant fees are charged by the council on top.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £6,995–£7,795 |
| 3.0 m | 2 panels | £8,795–£9,895 |
| 4.8 m | 4 panels | £11,495–£12,995 |
See every size on the sliding doors for new openings page or try the guide price tool.
What happens when you order sliding doors for new openings in Dagenham?
Nothing is ordered until you sign off the surveyed specification. The door is made from the finished opening sizes (typically 4–6 weeks for the door after the opening is measured; building work scheduled around approvals), and fitting usually takes 3–5 days of building work, then 1–2 days to fit the door. If you are in Barking or Romford, the same process and prices apply.
Do you need approval in Dagenham?
In England, forming or widening an opening is structural work that needs a Building Regulations application, structural calculations and usually a steel beam on padstones. The new door is also a controlled fitting (U-value 1.4 W/m²K or better if more than 60% glazed). If steelwork bears on a party wall, the Party Wall etc. Act 1996 may apply.
Which options matter for sliding doors for new openings?
- Widening an existing door. Removing masonry each side of an old patio door to take a wider slider.
- Steel beam with padstones. A beam sized by the engineer to carry the wall, floors and roof above.
- Temporary door or boarding. A secure, weathertight closure while the made-to-measure door is being manufactured.
Questions about sliding doors for new openings in Dagenham
Can you match other doors and windows in my Dagenham home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
Do I need planning permission for a new opening?
Planning rules for altering an elevation depend on the property and where you are, so it is worth checking with your council before you commit. Flats, listed buildings and properties covered by an Article 4 direction are the most likely to need consent. Wales and Scotland have their own planning rules. Our planning guide sets out the questions to ask.
Does the Party Wall Act apply to my new opening?
The Party Wall etc. Act 1996 (England and Wales) may apply if the new steel beam bears on, or is cut into, a wall you share with a neighbour, as is common in semi-detached and terraced houses. If it applies, you must serve notice on the neighbour before the work starts. A rear wall entirely on your own property is less likely to be affected.
How much does it cost to widen an opening for sliding doors?
Our guide price for forming or widening an opening is £3,595 for 2.4 m and £4,495 for 4.8 m, covering steel, padstones, making good and structural calculations. The door is priced separately, and Building Control fees are set by your council. All figures are guide prices inc VAT, fixed in a written quote after we survey the wall and see what is above it.

