Insert Replacement
New uPVC units fitted into your existing frame, draughts and misting fixed without touching the outside finish.
What Goes Wrong
The insert method only works when the frame is properly assessed first, skipping that step causes the same problems to return.
Fitting a new unit into a rotten or out-of-square frame means the window will stick, leak, or fail to seal within months.
The installer checks for rot, movement, and sill condition before confirming the approach or taking any measurements.
A unit set without shims and proper caulking leaves gaps at the perimeter, letting draughts back in through the new frame.
The new vinyl unit is shimmed level and square, fixed through the jambs, and the full perimeter sealed airtight with weatherproofing caulk.
Removing cladding or siding unnecessarily adds cost, extends the job, and risks damage that is difficult to make good afterwards.
The old sashes are removed and the new unit fitted entirely from inside the opening, the exterior cladding is never touched.
Being given only a full-frame price when an insert replacement would do the job means paying for work that was never necessary.
Where the frame is sound, the written quote sets out the insert and full-frame alternatives so you can compare before deciding.
Scope of Work
From a single misted unit to a room-by-room update across an older semi or terrace.
A new vinyl unit is fitted into a sound uPVC or timber frame using shims and sealant, no cladding removed.
Where only the double-glazed unit has failed, the misted glass is swapped out without disturbing the surrounding frame or trim.
Perimeter caulking and weathersealing are renewed to eliminate cold air ingress around the frame and sashes.
Each window is treated as a self-contained job, so you can update one room at a time without committing to the whole house.
Existing uPVC frames assessed for rot, level, and plumb.
Wood frames checked before any vinyl unit is ordered.
Beads and trim stops close the gap between old frame and new unit.
Old sashes and glazing units removed and taken away.
Why Choose Us
We cover the borough’s housing stock and work to a clear, written process.
The property gets an on-site visit to record frame condition and glazing before a single measurement is taken or unit ordered.
The written quote covers glass, frames, labour, and waste removal, broken down line by line so you know what you are paying for.
Where both approaches are viable, the quote sets them out together so you can make an informed decision before work begins.
Work is planned to keep time on site short, which matters when you are updating a room at a time rather than the whole house at once.
We cover the timber and uPVC frames found across Romford, Hornchurch, and the wider borough regularly.
How It Works
01
Describe the symptoms, draughts, misting, sticking, and we schedule a free on-site survey.
02
Frame condition is assessed, the right approach confirmed, and a written itemised quote follows covering all materials and labour.
03
The new vinyl unit is fitted, shimmed, sealed, and trimmed, with old glazing removed from site and the surrounding finish left intact.
Pricing Estimates
| Job | Typical cost | Typical duration |
|---|---|---|
| Single uPVC casement window | £495-£930 | 2-3 hours |
| Flush uPVC casement window | £650-£1,400 | 2-3 hours |
| uPVC sash window | £900-£1,800 | Half day |
| uPVC bay window | £1,490-£3,730 | 1 day |
| Whole-house uPVC replacement | £4,350-£11,000 | 1-3 days |
Tell us the symptoms and the property type. We schedule a window survey and return a written quote before anything is ordered. There is no charge for the survey or the written quote.