We hold East Lothian Trading Standards Trusted Trader accreditation, a council backed scheme that vets traders, and in a town with two conservation areas that counts for something.
The Short Version
- Prestonpans has seven Category A listed buildings and two conservation areas, so we check your address before you order.
- The reveal, lintel and cill are surveyed first, and frames are packed and shimmed rather than forced.
- We do our own making good, so the facings and the plaster line are finished by the fitter.
- The draught usually comes round the frame, so the perimeter gap is insulated and sealed both sides.
- We'll fit windows you've supplied, and survey the openings before anything's delivered.
- A sound sash box frame gets repaired rather than replaced, especially in the old core.
George Herkes & Son Joinery has worked across East Lothian since 1989, holds East Lothian Trading Standards Trusted Trader accreditation and is rated 5.0 from 62 reviews, and anyone asking who does wardrobes fitting in Prestonpans is asking about the same team that fits the windows.
Ring George before you order anything and he’ll come and measure the openings.

Window Installation and Replacement
We hold East Lothian Trading Standards Trusted Trader accreditation, which is a council backed scheme that vets traders against rogue trading. For window work in a town like this one, that matters more than it might elsewhere.
Prestonpans has seven Category A listed buildings and two conservation areas, so what you can do to an elevation isn’t a free choice everywhere. We survey the reveal, the lintel and the cill before anything’s ordered, and we’ll tell you if your address sits somewhere that limits the options. Frames get packed and shimmed to sit true rather than forced. The perimeter gap is insulated and sealed both sides. We do our own making good, so the facings and the plaster line are finished by the folk who fitted the frame.
George Herkes & Son Joinery gives free quotes on Window Fitters throughout Prestonpans. Ask George what your job involves.

Doors, Conservatories and Related Glazing
Glazed doors and the windows in the same elevation have to agree, and on a house extended in stages they usually don’t.
We take sightlines, glazing bar widths and cill projections off what’s already there before anything’s ordered. Thresholds on external doors need to drain rather than just seal, which is the detail that separates a lasting job from a callback on an exposed coastal elevation. Conservatory and lean-to roof junctions get flashed rather than filled with mastic. It’s the same trade as who does carpentry service in Prestonpans, and it’s done by the same people. Where a conservatory meets the house, the junction is the thing that fails, and it fails slowly enough that nobody connects it to the work that was done three winters earlier.

Installation Only and Trade Subcontracting for Prestonpans Homes
Plenty of folk here have already bought their windows and just need them in properly. That’s a common call and it’s fine.
We’ll fit units you’ve supplied. We’ll survey the openings first though, and if the sizes are wrong you’ll hear it while it can still be changed rather than on fitting day. We also take fitting work for builders and other joiners on the same terms. The standard doesn’t move depending on who’s paying, and it’s the same standard behind a kitchen refurbishment in Prestonpans.

Double Glazing and Energy Efficiency
Sealed units handle the heat. The draught you actually feel usually comes round the frame rather than through the glass.
The gap between frame and masonry gets insulated and sealed on both faces. Skip that and the most expensive unit on the market still feels cold in a wind off the Forth. Where a sash is being kept, slim profile units can go into a refurbished box frame, though not in every case and we’ll say which. Trickle ventilation is specified where it’s needed rather than left out to make a quote look tidier. The same approach runs window replacement across Tranent.
George Herkes & Son Joinery gives free quotes on Window Fitters throughout Prestonpans. Ask George what your job involves.

Casement, Flush and Heritage Window Options
The elevation has usually made this decision before you get to it.
A flush casement sits in the plane of the reveal and suits the older stone round Preston Village and New Street. A stormproof casement stands proud and suits the later stock at Harlaw Hill Gardens and East Loan. Timber takes a factory finish before it arrives. Ironmongery is chosen for sash weight and for exposure, which on a coastal town is not a small consideration. We’ll walk round the outside with you and tell you what the house is asking for. It takes ten minutes and it’s the part of the decision people most often skip, which is why so many elevations round here carry three different window styles on one wall.

Sash Window Repair and Restoration in Prestonpans
In the old core, replacing a sash often isn’t the right answer and we’ll say so even though repair is the smaller job.
Cords, pulleys and weights are all replaceable. A rotten cill section can be spliced rather than the whole frame coming out. Brush seals in the staff and parting beads make more difference to draughts than people expect. A box frame that’s sound doesn’t need replacing for the sake of it, and in a conservation area it usually shouldn’t be. Repair first, replace where it’s genuinely past it. We’ll go round each window with you and tell you which side of that line yours fall on, and we’ll put it in writing so you’re not deciding on the doorstep.
Free quotes on Window Fitters across Prestonpans. Speak to George at George Herkes & Son Joinery.
Window Fitters in Prestonpans FAQs
Can I replace windows in the Prestonpans conservation areas?
It depends on the address. There are seven Category A listed buildings and two conservation areas here, so external alterations in the old core round Preston Village and New Street are a heritage question first. We check it before you order rather than after.
Can my sash windows be repaired instead?
Often yes, and in the older core that's usually the right answer. Cords, pulleys and weights are replaceable, rotten cill sections can be spliced, and a sound box frame doesn't need to come out for the sake of it.
Will you fit windows I've bought myself?
Yes. We'll survey the openings first though, and if the sizes are wrong you'll hear it from us while it can still be changed rather than on the day they arrive.



