The 10 window and door fitters from Google's results for Portsmouth, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleKimbell Rd, Basingstoke
Brackenwood installs uPVC and aluminium replacement windows, doors, and conservatories across Portsmouth and Basingstoke. The firm provides double and triple glazing services for residential properties.
0800 253 545 Brackenwood House, Kimbell Rd, Basingstoke RG22 4AT
on GoogleFarlington, Portsmouth
Glazing installations from Bjh Windows include double and triple glazed windows, doors, and conservatories. Based in Farlington near Portsmouth, the firm fits home glazing products across Southampton, Fareham, the Isle of Wight, and the South Coast.
023 9232 4855 BJH Windows, Fitzherbert Rd, Farlington, Portsmouth PO6 1RU
on GooglePortsmouth, Southsea
Squaredeal Windows provides double glazing, replacement doors, and conservatory installations across Portsmouth and Southsea. The business also fits energy-efficient doors and roofline products, including fascias, for domestic properties.
023 9287 0599 54 Highland Rd, Southsea, Portsmouth, Southsea PO4 9AH
on GoogleNorth End, Portsmouth
Days Windows specialises in the repair, maintenance, and refurbishment of windows and doors in North End, Portsmouth. Its services cover both domestic and commercial properties, including work on aluminium doors and historical window structures.
023 9269 4212 Days Window & Door Services Ltd, 58A Havant Rd, North End, Portsmouth PO2 7HH
on GoogleCosham, Portsmouth
Doors and Glass supplies and fits replacement windows, exterior doors, glass units, shutters, and custom carpentry from its Cosham showroom. The Portsmouth company serves residential properties across the Hampshire region.
023 9221 0010 62 Havant Rd, Cosham, Portsmouth PO6 2QZ
on GoogleWaterlooville
Topline Windows manufactures uPVC windows, doors, and conservatories at its facility in Waterlooville before fitting them for clients in Portsmouth and Havant. The firm also carries out conservatory roof conversions and double glazing repair services.
0800 652 5663 Unit 5 & 6, 19 Aston Rd, Waterlooville PO7 7XG
on GooglePortsmouth, Southsea
Milton Glass uk offers commercial glazing, door fitting, and double glazing installations from branches across Portsmouth, Southsea, Cosham, and Waterlooville. Its locations also provide glazing supplies, with glass and mirrors cut while customers wait.
023 9273 2070 165 Winter Rd, Southsea, Portsmouth, Southsea PO4 8DR
on GoogleFort Fareham Industrial Site, Fareham
Ideal Window Solutions fits casement, sash, and tilt-and-turn windows alongside composite, bifold, and fire stop doors. Operating from Fareham, the firm carries out double glazing installations in uPVC, timber, and aluminium for homes around Portsmouth.
0800 731 8761 The Unity Building, Fort Fareham Industrial Site, Fareham PO14 1AH
on GoogleNorwich
First Home Improvements installs made-to-measure double glazing, entrance doors, and conservatories for home improvement projects in Norwich. Its fitting services cover replacement windows and glazed additions across the region.
0800 092 1112 56 Grove Rd, Norwich NR1 3RH
Portsmouth
Sashwindows Portsmouth supplies and works on sash windows for properties in Portsmouth and across Hampshire. From its Portsmouth base, the firm also covers Gosport, Havant, Fareham, Portchester, Cosham and Portsea.
In Portsmouth, upvc window typically costs £420 – £830. Labour in Hampshire runs 4% above the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "window fitters portsmouth". They are ranked on Google rating, online presence and other factors.
The figures above are Portsmouth ranges. These explain what drives them, so you can read a quote properly.
2026 prices per window and for a whole house in uPVC, aluminium and timber, the extras a quote can leave out, and the certificate and planning rules in each UK nation.
The size limits that let a conservatory go up without planning permission in England, when the building regulations exemption applies and how it is lost, and the rules in Wales, Scotland and NI.
What mist between the panes means, why it will not go away, what a new sealed unit costs in 2026, when the whole window is worth replacing, and the rules for replacing only the glass.
Replacement windows must meet building regulations for thermal performance. A FENSA registered installer self-certifies and sends you a certificate. An unregistered one means you need a building control application, and no certificate is a problem when you sell.