Question 1

Do I need planning permission for sash window repairs in Bath conservation areas?

Accepted Answer

Repairs and timber restoration on existing windows in Bath conservation areas like the Royal Crescent or Bathwick typically do not require planning permission, provided the original profile and timber detailing are matched.

Question 2

Can double glazing be retrofitted into original Georgian or Victorian sash frames?

Accepted Answer

Yes, using slimline heritage double glazing. It fits into original timber rebates without altering the external sightlines or frame appearance.

Question 3

How long does timber sash window draught proofing last?

Accepted Answer

Quality brush-pile draught proofing systems fitted into perimeter beadings typically last 10 to 15 years with basic maintenance.

Question 4

Do Article 4 directions in Bath affect my sash windows?

Accepted Answer

Yes. Large parts of Bath — including the city centre, the Royal Crescent, The Circus, Lansdown and parts of Widcombe and Oldfield Park — sit inside the conservation area, and some streets have Article 4 directions removing permitted development rights for window changes. In practice this means replacing original timber sashes with modern units usually needs planning consent, while like-for-like repair and internal draught proofing normally do not. We survey the property, confirm its designation and, where consent is needed, prepare the drawings and specification for Bath & North East Somerset Council.

Question 5

How much heat and noise does draught proofing actually save?

Accepted Answer

A neglected Victorian sash can leak air around the meeting rail, staff beads and parting beads. Routing in discreet brush pile seals typically cuts window draughts by up to 80%, removes the rattle in a Lansdown westerly, and noticeably lowers heating bills — without altering a single original moulding or the look of the window from the street.

Question 6

Can I replace my sash windows with uPVC in a conservation area?

Accepted Answer

Almost never. Bath & North East Somerset Council resists uPVC in the conservation area and on listed buildings because it alters the slender glazing bar profiles and the character of Georgian and Victorian frontages. Repair is also cheaper over the life of the building: original slow-grown pine, properly spliced and painted, outlives modern plastic by decades.

Question 7

Are my windows too far gone to repair?

Accepted Answer

Rarely. Even where sills and bottom rails have decayed, we splice in matched timber rather than scrapping the sash. We only recommend a new sash — made to the exact original profile — when more than roughly half the member has failed.

Question 8

How long does a typical Bath job take?

Accepted Answer

Draught proofing a whole house of six to eight windows is usually two to three days. Rot repair and cord renewal on a single sash is normally a day. Slimline double glazing runs to two to four weeks including manufacture of the units.

Service	Typical Timeline	Thermal Gain	Ideal Property Type
Draught Proofing	1–3 days for a whole house	Cuts window air leakage by up to 80%	Any original sash — Royal Crescent and Lansdown terraces especially
Sill & Timber Rot Repair	1–2 days per sash or sill	Restores the seal line and stops damp-driven heat loss	Victorian and Edwardian homes in Widcombe and Bear Flat
Heritage Double Glazing	2–4 weeks including unit manufacture	Glass U-value from about 5.0 down to 1.6 W/m²K	Georgian and Victorian houses in Bathwick and the city centre

Sash Window Repair & Restoration Specialists in Bath

Request a Free Restoration Survey

Sash window services in Bath

Sash Window & Timber Rot Repair

Draught Proofing

Heritage Double Glazing

Full Restoration

Compare our sash window services

Where we work across Bath

Royal Crescent

The Circus

Widcombe

Lansdown

Bathwick

Bear Flat

Larkhall

Oldfield Park

Bath Sash Window FAQs