PVC window installation in Barcelos
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- Town
- Barcelos
- District
- Braga
- Position
- 41°32′ N · 8°37′ W
- Tilt and turn: opens to the side and tilts for fresh air.
What will it cost? Start with the sizes
Window type
Material
Colour
Sizes
Between 600 and 1800 mm
Between 300 and 2200 mm
A rough size is fine.
Extras
Window schedule
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Pick a type and sizes, then add the window to the list to see the square metres.
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About Barcelos
Barcelos is in the Minho, by the Cávado river. The municipality has about 117 thousand residents in 379 km² and 61 parishes, the most in the country, but only about 21 thousand live in the town. It borders Viana do Castelo, Ponte de Lima, Vila Verde, Braga, Vila Nova de Famalicão, Póvoa de Varzim and Esposende.
The place received its charter around 1177, from King Afonso Henriques, and was made a city in 1928. It was the seat of a county, and one of the counts was the Constable Nuno Álvares Pereira. The Porta Nova tower, the counts’ palace ruins and the main church are part of the old centre, and the town is known as the capital of crafts, with the Barcelos Rooster and the Pottery Museum.
The countryside weighs a lot in the economy: according to Wikipedia, Barcelos is the country’s biggest milk producer, and there is vinho verde and wine estates. The highest point is Monte de São Gonçalo, at 488 metres, and three river basins pass here, the Cávado, the Neiva and the Este.
With so many small settlements spread around, detached houses and country homes are very common, and life in the municipality runs along the roads. The town centre, by the river, keeps old houses and squares with market-day life.
What the climate of Barcelos asks of windows
Barcelos has the Atlantic climate of the Minho, with rain all year and mild winters. Between the Cávado, the Neiva and the coast the air is damp and, in the morning, there may be mist by the rivers. Because the municipality is large, more sea breeze reaches the parishes on the Esposende and Póvoa side, and more rain and cold the ones on the Braga side and in the hills. A window should hold back damp, water and cold.
Barcelos lives between the Cávado and the Minho hills. There is water everywhere: rain, rivers and damp air.
A well-sealed, well-insulated window keeps the home dry. The greatest care goes into the joints and the finish.
- Coastal breeze
From the sea side comes wind that drives rain, especially in parishes near Esposende. The fixing of the window and the gaskets make the difference. In isolated houses, wind hits the facades head on.
- River damp and mist
By the Cávado and the streams, the air is heavy in the morning. With cold glass, damp from inside turns to water; airing helps. Homes near the river need their own ventilation to avoid mould.
- Minho rain
It rains all year, and winter is damp. The joint between window and wall is the most common weak point. In farmhouses, also ask to see the state of the plaster.
- Summer sun
Summers are warm to hot. Light colours on the frame and solar-treated glass help on sunny facades. In country homes with little shade, external blinds are useful.
| Condition | Level | Climate sheet |
|---|---|---|
| Rain | High | Almost all year, more in winter. |
| Humidity | High | Rivers and streams everywhere. |
| Winter | Medium | Mild and damp. |
| Summer | Medium | Warm to hot. |
| Wind | Medium | Some breeze arrives from the coast. |
Levels for comparison, not measurements.
Climate zone of Barcelos
Portugal's building energy rules put every place in a winter zone (I1 to I3) and a summer zone (V1 to V3). In Barcelos the zone depends on the altitude of the building, so we show the ranges.
| Building altitude | Winter zone | Maximum Uw, W/(m²·°C) |
|---|---|---|
| up to 24 m | I1 | 2.80 |
| from 25 to 408 m | I2 | 2.40 |
| above 409 m | I3 | 2.20 |
Summer zone: V2: up to 404 m; V1: above 405 m
Maximum solar factor of windows (gtot,máx): up to 404 m, V2: 0.10 in weak-inertia spaces and 0.56 in medium or strong inertia spaces; above 405 m, V1: 0.15 in weak-inertia spaces and 0.56 in medium or strong inertia spaces. The value is for the opening with the solar protection fully activated. North-facing windows are exempt. What is the solar factor?
The maximum Uw applies to windows in housing in new and renovated buildings (Portaria n.º 138-I/2021), with exceptions, for example conservation works. The zone is calculated with the Manual SCE method, from the region (NUTS III) and the altitude, not by parish. Ask the designer or an SCE expert to confirm the one for your building. Checked on 19 October 2026. What is Uw?
Solutions table for Barcelos
| Window | Glass | |||
|---|---|---|---|---|
| Local condition | PVC | Aluminium | Double glazing | Triple glazing |
Coastal breeze | SuitableGood in isolated homes, as long as the fixing is firm. | SuitableCopes well, as long as the joint to the wall is done well. | SuitableThe glass copes well; the care is in the joint. | Needs careHeavier: hardware and frame must be ready for it. |
River damp and mist | SuitableDoes not rot or need painting. Wipe with a damp cloth. | SuitableResists damp river air well with a quality coating. | SuitableGlass does not suffer in a damp setting. | SuitableSame as double on this point. |
Minho rain | SuitableInsulates well and helps against cold and mould. | Needs careWithout a thermal break it gets cold and attracts condensation. | SuitableA good base for rainy, cool winters. | SuitableMore comfort on cold days; worth it in exposed homes. |
Summer sun | SuitableA good option in hot summers, preferably in light tones. | It dependsDepends on colour and profile. With a thermal break, it heats less. | It dependsFor sunny facades there are solar-treated glasses. | It dependsSummer sun still comes in. Check the solar factor. |
- Suitable
- Needs care
- It depends
In Barcelos the table depends on the part of the municipality. The installer confirms everything on site.
Homes in Barcelos
The homes in the area change what is worth asking of the windows.
Detached and semi-detached houses
There are many detached houses and country homes, with large windows and gardens. Rain and damp call for good sealing and a careful joint. In isolated houses, wind hits the windows head on and water runs down the walls.
Traditional houses
In the rural parishes there are still stone farmhouses, with thick walls and small windows. When replacing, check the state of the wall next to the opening. If the house is a family home, it is worth keeping the facade design.
Historic centre
In the town centre, near the counts' palace, the Porta Nova tower and the river, there are old houses. There may be rules for the facade: ask the council. Old streets tend to have facades pressed together, and market and traffic noise counts.
How it works
Tell us what you need
Measure the opening on the drawing and confirm your town.
We pass your request to the right companies
We process your request and send it to the local companies that best fit your town and what you asked for.
The companies contact you with quotes
They get in touch and send you their quotes and offers. Compare them and choose, with no obligation.
We do not make or fit windows. We pass your request on and explain.

Towns near Barcelos
Barcelos is big. These are some of the neighbouring municipalities, between the Cávado and the coast.
Cannot find your area? Write it in the request.

Small town, huge municipality
Barcelos covers 379 km² and has 61 parishes. The weather is not the same from end to end:
- Near Esposende and Póvoa de Varzim: coastal breeze and damp air.
- Next to Braga and the hills: more rain and more cold.
- Near the Cávado: damp and morning mist.
Tell the installer which parish you live in, so they know the area.
Land of milk, vinho verde and pottery
Barcelos lives off the countryside and crafts. The country’s biggest milk producer is here, and there are vinho verde estates and pottery workshops. That leaves farm buildings, cellars and country homes scattered around:
- In country homes, cold and damp from the stone weigh more than in a block.
- Cellars and outbuildings converted to homes need well-insulated windows.
- Houses next to estates catch more wind and sideways rain.
It is worth telling the installer what kind of building it is.
General notes
Only a little, but the joint matters more. Isolated homes get more wind and rain. Ask for careful sealing and say the house is exposed. If there are trees or walls, mention that too.
Airing every day and having windows with ventilation helps lower damp in the air. If the damp comes from the wall, the window alone will not fix it; ask them to find the cause. A serious installer says what the window can and cannot do.
Both work, with a good finish. PVC does not rot or need painting. Aluminium needs a thermal break so it does not feel cold. Compare the quotes and look at the hardware.
You can, and many people start there, because they are the coldest. The installer explains what changes and whether it is worth doing everything at once. Design and colour should match, so the facade stays harmonious.
Well-insulated, well-sealed windows, because these buildings tend to be cold and damp. The installer should look at the walls and the opening. If the cellar is stone, the joint matters as much as the glass.
Yes. Write the parish name in the request. It goes to installers who cover that area; JanelaCerta does not install. Since the municipality is large, give the village too.
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