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Sash window specialists covering Kent, London & the South East · We’ll beat any written quote ★ 5.0 on Google · 84 reviews Mon–Fri 9am–5pm
Advanced Sash Windows logoADVANCED SASH
WINDOWS
Sash window specialists · Maidstone
01622 470019

Sash window repair and restoration in Sevenoaks

Draught-proofing, cord replacement, timber repair and full restoration for period windows in Sevenoaks and the surrounding TN13–TN15 postcodes.

Get a free quote Call 01622 470019
★★★★★ 5.0 from 84 Google reviews We’ll beat any like-for-like written quote Insured to £5m · 10-year draught-proofing guarantee · free survey
Period bay sash window with a window box

We repair, draught-proof and restore timber sash windows in Sevenoaks and the TN13–TN15 postcodes. Repairs start at £80 + VAT, draught-proofing is £280 + VAT per window and a full restoration £1,280 + VAT. Surveys are free, there is no travel charge, and we are about 35 minutes away in Maidstone.

Period windows in Sevenoaks

Sevenoaks has a lot of Georgian and Victorian property around the High Street and St Botolphs, plus the big older houses towards Riverhead and Otford. Draughty single-glazed sashes in high-ceilinged rooms are the usual reason people call us here.

What we do in Sevenoaks

Draught-proofing Sash cord replacement Rotten timber repair Sticking & painted-shut sashes Double-glazed sashes Full restoration

Prices in Sevenoaks

  • Draught-proofing — £280 + VAT per window
  • Sash cord replacement — £250 + VAT per window
  • Rotten timber repair — from £80 + VAT per section
  • Freeing a sticking or painted-shut sash — £100 + VAT
  • Slim double glazing — £980 + VAT per window
  • Full restoration — £1,280 + VAT per window

Full breakdown on our prices page. Got a cheaper like-for-like written quote in Sevenoaks? We will beat it.

Frequently asked questions

How much does sash window repair cost in Sevenoaks?

The same as everywhere we work: draught-proofing £280 + VAT per window, sash cords £250 + VAT, freeing a stuck sash £100 + VAT, slim double glazing £980 + VAT and a full restoration £1,280 + VAT. Rotten timber is priced per section from £80 + VAT. No travel charge to Sevenoaks.

How soon can you come out to Sevenoaks?

We are about 35 minutes from our Maidstone workshop, so surveys in Sevenoaks are usually within a few days. Send photos on WhatsApp for a rough price before that.

Do you work on listed buildings and in conservation areas in Sevenoaks?

Yes, regularly. Like-for-like repair and concealed draught-proofing change nothing visible, which is what conservation officers want to see. We can speak to Sevenoaks District Council on your behalf if consent is needed.

Do you charge extra to travel to Sevenoaks?

No. Our prices are the same across Kent, London and the South East.

Nearby areas

Tunbridge Wells Maidstone Bromley

Recent projects

Faversham sill replacement Gravesend listed building East Malling repairs

Recent work in Kent

Restored sash window in Faversham
Faversham — full refurbishment and new sills
Repaired sash rail from a listed building in Gravesend
Gravesend — listed building rail repair
Restored sash window on a cottage in East Malling
East Malling — cottage sash repairs
Warmer, quieter windows that open properly. Free survey, fixed quote — and we’ll beat any like-for-like written quote.
Get a free quote Call 01622 470019 WhatsApp us