Retrofit Double Glazing in Merton
Sealed units fitted into your existing timber sashes. Covering Merton and the surrounding Greater London area.
- Made to size from a measured survey, never cut down from stock
- FSC-certified timber with chain-of-custody paperwork
- Fixed written quotation with the lead time stated
- 10-year workmanship guarantee in writing
Free measured survey · No obligation · Reply within one working day
Retrofit Double Glazing in Merton
Free survey, fixed written price.
Retrofit Double Glazing for Merton properties
The hard part of Retrofit Double Glazing in Merton is not the making, it is the measuring. Given the Victorian and Edwardian terraces, mansion blocks and post-war infill that dominates locally, standard sizes are the exception not the rule. Add high pollution load and sheltered urban humidity to that and paint failure on south-facing sashes and rot at the bottom rail becomes the usual trigger for replacement. Our focus on this is reworking the rebate so a sealed unit fits without bulking the section.
We survey before anything is cut, so the schedule reflects the opening as built rather than as drawn. Send what you have, even if it is only a phone photo, and we will take it from there.
Worth knowing locally: large numbers of properties sit in conservation areas with like-for-like replacement conditions.
See everything we cover in Merton or view Retrofit Double Glazing across Greater London.
What clients tell us
Feedback collected directly from completed projects. Full written references are available on request before you commit.
“The survey showed most of the loss was around the frames, not through the glass at all.”
Verified client, Greater London“Half the cost of replacement and the rooms hold heat noticeably better.”
Verified client, Greater London“They fitted trickle vents we had not thought about, which stopped the condensation.”
Verified client, Greater LondonTalk to us about your project
Free, no obligation, and a fixed figure in writing. We will tell you honestly if what you are asking for is not the right answer.
Request a quote Call 0800 088 6248