Secondary Glazing Gallery: London Installations

Every project below was surveyed, manufactured and installed to the millimetre for a heritage window. Each caption lists the glass specification used and the measured result — prices always include professional installation.

Slimline secondary glazing fitted to a curved Georgian bow window with white glazing bars in a London townhouse — Georgian Bow Window, Belgravia
Curved-run vertical sliders · 10.8mm Stadip Silence
Street noise reduced by up to 52dB; original sashes retained and fully operable
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Secondary glazing fitted across a three-sided bay window in a period living room with sliding panels — Victorian Bay, North London
Horizontal sliders · 6.8mm acoustic laminate
Bay draughts eliminated; room 3–4°C warmer through winter
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Two sash windows in a stucco-fronted London apartment fitted with discreet secondary glazing above column radiators — Stucco Terrace, Pimlico
Vertical sliding units · 8.8mm Stadip Silence
Bedroom noise floor cut to a whisper on a busy residential street
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Bedroom with two windows fitted with acoustic secondary glazing behind Roman blinds, rooftop views over London — Mansion Block Bedroom, Kensington
Lift-out acoustic units · 10.8mm acoustic glass
Night-time traffic noise no longer wakes occupants
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Hotel-style bedroom with two sash windows fitted with acoustic secondary glazing behind full-length curtains — Hospitality Suite, City Fringe
Vertical sliders · 10.8mm Stadip Silence
Guest rooms brought below 30dB internal night-time noise
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Corner living room with secondary glazing on a bay window and balcony door, dressed with curtains and pelmets — Riverside Apartment, Fulham
Sliders plus hinged door unit · 6.8mm laminate
Balcony door retained in daily use with no loss of access
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Bright empty reception room with secondary glazing across a wide picture window and balcony door — Garden Flat Reception, Wimbledon
Wide-span horizontal sliders · 6.4mm laminated
Single glazing upgraded without altering the external elevation
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Modern apartment living space with slimline secondary glazing across a full-width run of windows above a timber cill — New-Build Conversion, Southwark
Continuous run of slimline sliders · 8.8mm acoustic
Courtyard noise reflection controlled across a full window wall
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Office workspace with secondary glazing on a three-pane sash window facing a light well and brick wall — Commercial Office, Clerkenwell
Vertical sliders with brass locks · 10.8mm Stadip Silence
Plant noise from the light well reduced to background level
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Three-pane window with secondary glazing fitted behind roller blinds in a refurbished London building — Refurbishment, Central London
Lift-out units behind integrated blinds · 6.8mm laminate
Blinds and glazing coordinated for a flush, blind-friendly reveal
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Large curved bay of tall sash windows in a panelled country drawing room fitted with secondary glazing during installation — Country House Drawing Room, Surrey
Curved-run vertical sliders · 10.8mm Stadip Silence
Six-pane bay draught-sealed with no change to the panelled joinery
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Two tall Georgian sash windows facing a London high street fitted with discreet secondary glazing behind Roman blinds — Above a High Street, Marylebone
Vertical sliders · 10.8mm acoustic glass
Shopfront and street noise reduced to a background hum
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Bedroom with three sash windows fitted with slimline secondary glazing behind neutral Roman blinds — Mews Bedroom, Chelsea
Vertical sliders · 8.8mm Stadip Silence
Sleep-critical room brought below 30dB at night
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Square bay of steel-look Crittall style windows fitted with secondary glazing overlooking the City of London skyline — Warehouse Conversion, Shoreditch
Lift-out units over steel frames · 6.8mm laminate
Single-glazed steel windows insulated without altering the frames
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Curved bay of casement windows in a 1930s home fitted with secondary glazing behind full-length curtains — 1930s Semi, Home Counties
Curved bay casement units · 6.4mm laminated
Bay heat loss cut sharply; condensation eliminated
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Bay window and balcony door fitted with secondary glazing, dressed with floor-length curtains in a London flat — Terrace Apartment, Fulham
Sliders plus hinged door unit · 8.8mm acoustic
Roof-terrace access retained with full acoustic coverage
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Bright corner room with three sash windows fitted with slimline secondary glazing and roller blinds — Studio Conversion, Hackney
Vertical sliders · 6.8mm acoustic laminate
Street-facing studio quietened for recording use
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Splayed bay of four sash windows fitted with secondary glazing beneath linen Roman blinds — Splayed Bay, Kensington Flat
Angled bay sliders · 10.8mm Stadip Silence
Courtyard noise reduced across all four panes of the bay
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Office meeting room with a three-pane sash window fitted with secondary glazing overlooking a London street — Gallery Office, Fitzrovia
Vertical sliders · 10.8mm acoustic glass
Meeting room usable at street level despite passing traffic
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Two Georgian sash windows in a period bedroom fitted with secondary glazing above a mahogany chest of drawers — Period Terrace Study, Wandsworth
Vertical sliders · 6.8mm acoustic laminate
Busy junction noise halved in perceived loudness
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Splayed Victorian bay of georgian-bar sash windows fitted with secondary glazing in a chandelier-lit London reception room — Victorian Bay Reception Room, Islington
Angled bay vertical sliders · 10.8mm Stadip Silence
Street noise cut by 45dB with glazing bars matched to the originals
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Tall sash windows and a balcony door fitted with slimline secondary glazing in a Marylebone apartment — Mansion Block Salon, Marylebone
Vertical sliders plus hinged balcony unit · 10.8mm acoustic glass
Balcony access retained; traffic reduced to a distant hum
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Bedroom with two casement windows fitted with secondary glazing, overlooking London rooftops at sunset — Penthouse Bedroom, Pimlico
Horizontal sliders · 8.8mm acoustic laminate
Night-time noise brought below 30dB for undisturbed sleep
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Commercial meeting room with a run of windows fitted with secondary glazing for acoustic and thermal control — Boardroom Retrofit, City of London
Horizontal sliders · 10.8mm acoustic glass
Confidential meetings held with 44dB street-noise reduction
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Splayed bay of three sash windows fitted with secondary glazing above a high street in a Victorian flat — High Street Flat, Crouch End
Angled bay vertical sliders · 10.8mm Stadip Silence
Late-night high street noise reduced to a whisper
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Three Georgian sash windows with glazing bars fitted with secondary glazing above a window seat — Nursery Window Seat, Hampstead
Vertical sliders · 6.8mm acoustic laminate
Draughts removed and heat loss cut across a north-facing wall
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Steel-framed corner bay window fitted with secondary glazing overlooking a busy City road — 1930s Steel Casements, Aldgate
Hinged casement units · 10.8mm Stadip Silence
Arterial road traffic reduced by 46dB behind original steel frames
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Long run of office sash windows fitted with slimline secondary glazing along a Mayfair corridor — Office Floor Run, Mayfair
Vertical sliders · 8.8mm acoustic laminate
Whole-floor retrofit with sightlines kept fully slimline
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Office windows with integral blinds fitted with secondary glazing for noise and thermal control — Serviced Offices, Southwark
Horizontal sliders · 6.8mm acoustic laminate
Rail and road noise controlled while blinds stay accessible
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Edwardian bay with stained glass toplights fitted with secondary glazing in a London front room — Stained Glass Bay, Chiswick
Angled bay vertical sliders · 6.8mm acoustic laminate
Original coloured toplights protected and fully visible
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Two sash windows fitted with secondary glazing in a stucco Belgravia drawing room with chandelier and roller blinds — Stucco Drawing Room, Belgravia
Vertical sliders · 10.8mm Stadip Silence
Lower-ground street noise reduced by 45dB behind listed sashes
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Hinged secondary glazing unit fitted to a glazed roof-terrace door beside a kitchen window — Roof Terrace Door, Kensal Rise
Hinged door unit plus slider · 6.8mm acoustic laminate
Terrace access kept fully usable with draughts eliminated
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Two tall sash windows with secondary glazing and blackout roller blinds in a City apartment living room — Warehouse Apartment, Clerkenwell
Vertical sliders · 8.8mm acoustic laminate
Courtyard plant noise dropped to a barely audible level
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Georgian-bar sash window with secondary glazing overlooking a busy London bus route — Bus Route Frontage, Bermondsey
Vertical sliders · 10.8mm Stadip Silence
Bus and taxi noise cut by 46dB directly above the road
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Open-plan office floor with a full run of windows fitted with slimline secondary glazing — Open-Plan Office Floor, Holborn
Vertical sliders · 8.8mm acoustic laminate
Whole-floor acoustic upgrade completed without disrupting tenancy
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Horizontal sliding secondary glazing over a casement window with hardwood cill in a country house corridor — Barn Conversion Corridor, Surrey
Horizontal sliders · 6.8mm acoustic laminate
Heat loss halved across a single-glazed garden elevation
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Casement window with slimline secondary glazing looking onto a walled London garden — Garden Elevation, Marylebone Mews
Horizontal sliders · 6.4mm laminated glass
Draughts removed while the original casement stays operable
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Four-pane window fitted with secondary glazing beneath a Roman blind in a roof-level flat — Roof-Level Flat, Shoreditch
Horizontal sliders · 8.8mm acoustic laminate
Rooftop plant hum removed from the bedroom entirely
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Wide four-pane window with secondary glazing and grey Roman blind in a converted top-floor room — Top-Floor Conversion, Southwark
Horizontal sliders · 10.8mm acoustic glass
Air-handling noise brought below background levels
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Two sash windows with secondary glazing and blackout blinds in a compact London bedroom — Compact Bedroom, Camden
Vertical sliders · 6.8mm acoustic laminate with blackout blinds
Night-shift sleeper reports traffic noise halved in perceived loudness
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Georgian-bar sash window fitted with slimline secondary glazing overlooking a London high street with a red bus — High Street Sash, Crouch End
Vertical sliders · 10.8mm Stadip Silence
Bus route and shopfront noise reduced by up to 48dB
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Balcony doors flanked by two casement windows fitted with secondary glazing overlooking a London garden — Garden Balcony Doors, Islington
Hinged door units plus casement panels · 6.8mm acoustic laminate
Balcony access retained with draughts fully eliminated
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Arched multi-pane heritage window fitted with secondary glazing looking onto a courtyard Japanese garden — Arched Courtyard Window, Hampstead
Bespoke arched fixed unit · 6.4mm laminated glass
Arched heritage profile matched exactly with no loss of light
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Close-up of a slimline secondary glazing track and frame fitted beside an original single-glazed steel window — Slimline Track Detail, Clerkenwell
Horizontal slider track · 100mm cavity to original frame
Optimal 100–150mm air gap achieved on a shallow reveal
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Corner room with a glazed balcony door and wide window fitted with secondary glazing in a Georgian terrace — Corner Balcony Room, Camden
Hinged door unit plus horizontal sliders · 8.8mm acoustic
Two elevations sealed against street noise and heat loss
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Wide run of four georgian-bar casement windows fitted with secondary glazing overlooking a country garden — Garden Room Casements, Surrey
Hinged casement units · 6.8mm acoustic laminate
Heat loss halved across a wide single-glazed garden elevation
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Splayed bay of three sash windows with Roman blinds and secondary glazing in a mansion block bedroom — Mansion Block Bay Bedroom, Marylebone
Angled bay vertical sliders · 10.8mm Stadip Silence
Night-time noise brought below 30dB across all three panes
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Home office desk beneath a sash window fitted with secondary glazing and brass locks facing a brick mansion block — Home Office Study, Bloomsbury
Vertical sliders with brass locks · 8.8mm acoustic laminate
Courtyard noise removed for calls and focused work
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Open-plan office with two sash windows fitted with secondary glazing above a long desk run — Office Desk Run, Fitzrovia
Vertical sliders · 10.8mm acoustic glass
Street noise cut by 45dB across the working floor
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Office kitchen with two tall multi-pane windows fitted with secondary glazing overlooking a brick light well — Office Kitchen, City of London
Vertical sliders · 6.8mm acoustic laminate
Light-well plant noise reduced to background level
Read the related guide

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Secondary Glazing Cost 2026 | UK Price Guide & Specialist InstallersGet accurate secondary glazing costs for 2026. Use our free cost calculator to compare prices for acoustic, sliding, hinged, and fixed secondary glazing systems across the UK.Why Choose Secondary Glazing?

Reduce noise by up to 80% with acoustic laminate glass

Cut energy bills by 10-20% with improved thermal insulation

50-70% cheaper than replacing windows with double glazing

Heritage-approved solutions for listed buildings

No planning permission required in most cases

Secondary Glazing Costs 2026Prices range from £150-£800 per window depending on size, glass type, and installation method. DIY kits start from £150, while professional installation with acoustic glass costs £400-£800 per window.Our Services

Acoustic Secondary Glazing - Professional noise reduction windows

Sash Window Secondary Glazing - Heritage-approved vertical sliders

Horizontal Sliding Secondary Glazing - For wide windows and patios

Cost Calculator - Get instant pricing

Expert Guides - DIY vs professional, noise reduction, ROI

London Specialist AreasWe serve Chelsea, Kensington, Knightsbridge, Mayfair, Belgravia, Notting Hill, Richmond, and Wimbledon with specialist secondary glazing for period and listed properties.© 2026 Secondary Glazing Cost Guide. Professional advice for informed decisions.

Secondary Glazing Gallery: London Installations

Georgian Bow Window, Belgravia

Victorian Bay, North London

Stucco Terrace, Pimlico

Mansion Block Bedroom, Kensington

Hospitality Suite, City Fringe

Riverside Apartment, Fulham

Garden Flat Reception, Wimbledon

New-Build Conversion, Southwark

Commercial Office, Clerkenwell

Refurbishment, Central London

Country House Drawing Room, Surrey

Above a High Street, Marylebone

Mews Bedroom, Chelsea

Warehouse Conversion, Shoreditch

1930s Semi, Home Counties

Terrace Apartment, Fulham

Studio Conversion, Hackney

Splayed Bay, Kensington Flat

Gallery Office, Fitzrovia

Period Terrace Study, Wandsworth

Victorian Bay Reception Room, Islington

Mansion Block Salon, Marylebone

Penthouse Bedroom, Pimlico

Boardroom Retrofit, City of London

High Street Flat, Crouch End

Nursery Window Seat, Hampstead

1930s Steel Casements, Aldgate

Office Floor Run, Mayfair

Serviced Offices, Southwark

Stained Glass Bay, Chiswick

Stucco Drawing Room, Belgravia

Roof Terrace Door, Kensal Rise

Warehouse Apartment, Clerkenwell

Bus Route Frontage, Bermondsey

Open-Plan Office Floor, Holborn

Barn Conversion Corridor, Surrey

Garden Elevation, Marylebone Mews

Roof-Level Flat, Shoreditch

Top-Floor Conversion, Southwark

Compact Bedroom, Camden

High Street Sash, Crouch End

Garden Balcony Doors, Islington

Arched Courtyard Window, Hampstead

Slimline Track Detail, Clerkenwell

Corner Balcony Room, Camden

Garden Room Casements, Surrey

Mansion Block Bay Bedroom, Marylebone

Home Office Study, Bloomsbury

Office Desk Run, Fitzrovia

Office Kitchen, City of London

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