Slim Cavity Glazing in County Durham
Double glazing within a historic sightline. Manufactured to size and delivered across County Durham.
- 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
Slim Cavity Glazing in County Durham
Free survey and fixed written price.
Slim Cavity Glazing across County Durham
The hard part of Slim Cavity Glazing in County Durham is not the making, it is the measuring. Local stock is dominated by colliery terraces, Georgian Durham city stock and Pennine stone housing, which sets the sizes and profiles we work to. Because of cold upland winters with heavy rainfall, we see frost and saturation damage on unmaintained painted softwood more often here than in most of the country. The part that matters is getting a sealed unit into a historic sightline without bulking it out.
Nothing is ordered until someone has stood in front of the opening with a tape. Ask us for a figure and you will get one, with the lead time stated alongside it.
One local point to factor in: Durham's cathedral setting carries World Heritage-level design scrutiny.
Towns covered
Replication, not approximation
Profiles copied from the surviving original, section by section.
Drawings for consent
Measured section drawings supplied to accompany a listed building application.
Conservation glazing
Slim-cavity units and genuine putty lines where the consent requires them.
Fabric retained where possible
We splice and repair before we replace, because the original is the point.
What clients tell us
Feedback collected directly from completed projects. Full written references are available on request before you commit.
“The conservation officer approved the sections first time, which had not happened with the previous applicant.”
Verified client, County Durham“They spliced the original cill rather than replacing it, which was exactly what we wanted.”
Verified client, County Durham“The putty lines look right, and from the street you cannot tell which windows are new.”
Verified client, County DurhamWhat happens next
Four steps from first call to installed joinery. No pressure at any stage.
Record the original
We measure and draw the surviving joinery before anything is removed.
Drawings and consent
Section drawings prepared to support your application.
Replication
Made to the recorded profile in matching species.
Careful installation
Fitted with minimal disturbance to surrounding historic fabric.
Frequently asked questions
Do you cover County Durham?
Yes. We cover the whole of County Durham including Durham, Darlington, Hartlepool, Stockton-on-Tees and the surrounding villages. Durham's cathedral setting carries World Heritage-level design scrutiny. Because cold upland winters with heavy rainfall, we allow for it at survey stage rather than discovering it on the day.
Do you take a deposit?
Not before the measured survey. A deposit is only requested once the survey is complete and you have approved the final schedule and price.
What if the opening is out of square?
Most older openings are. The survey records the actual dimensions at several points and the unit is manufactured to suit, which is the main reason we survey rather than work from the sizes given over the phone.
What guarantee do you provide?
Ten years on workmanship, covering manufacture and the factory-applied finish. Where we install, the installation is covered too. It is issued in writing with the handover paperwork.
Can you price from drawings?
Yes. Send a drawing set or a schedule and we will price against it. If anything is ambiguous we will query it before quoting rather than assume and reprice later.
Talk 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