Highland · Scotland

uPVC window & door repair in Castletown, Highland

uPVC repair across Castletown and nearby, done in a single visit in most cases.

  • Repairs from £95
  • Holes from removed fittings and alarms
  • Damage during building work
Surface Doctor technician repairing a wooden kitchen worktop

UPVC repair in Castletown

uPVC repair in Castletown, done in place

We also do snagging repairs for builders. The damage is filled and refinished so it blends into the frame, woodgrain finishes included. We regularly repair window frames & sills, doors & door panels and white uPVC, and people most often call us about chips and dents and burns on sills.

Peace of mind is built in: each job carries a one-year guarantee, and we’ll explain exactly what it covers when we quote. Clean with warm soapy water and a soft cloth. Do not use solvents or scourers.

Where
Castletown (KW14)
Area hub
Highland
Guarantee
One year on every repair
Quotes
From £95. Fixed and free, based on pictures
Phone
0345 017 0787
Last updated
23 October 2026
Before and after: a chipped white edge filled and refinished

Honest limits

A repair isn’t always the answer, and we’d rather say so up front. We cannot fix:

  • Failed or misted double glazing units
  • Broken locks, hinges or mechanisms
  • Frames that are warped or out of square

If in doubt, send photos and we will say what we think before you book.

What we work on

  • White uPVC
  • Conservatory frames
  • Doors & door panels
  • Coloured and woodgrain uPVC
  • Window frames & sills

For landlords and businesses

For anyone letting property in or around Castletown, we’ll quote for several properties at once. Send photos for each one and we’ll come back with a combined price.

We regularly work with letting and managing agents. Send the address, pictures and access details and we’ll arrange it.

Why repair rather than replace?

A new window, door or sill costs far more, and new uPVC may not match the weathered frames around it. A repair leaves the unit in place. Prices start from £95. No two jobs are quite the same, so we price each one individually. What’s damaged, how badly and how easy it is to reach all play a part, and doing several things on one visit costs less than separate visits.

Why choose Surface Doctor in Castletown

  • One price list for the whole UK
  • No need to remove anything
  • Colours mixed by hand to suit your surface
  • We come to you, anywhere in the UK

See our pricing.

What uPVC repair costs

Prices start from £95. A fixed quote means you know the cost before you book. We look at:

  • The material and finish
  • Access to the area
  • How much damage there is
  • Any earlier repairs that need removing first

We do not add extras on the day. What we quote from your photos is what you pay, and if the damage turns out to be different, we discuss it before starting.

Quotes from your pictures

Most quotes are done from photos alone. To help us price it:

  • A wider photo showing the whole window, door or sill
  • Daylight if possible, and no flash reflection
  • Your postcode, so we can check dates
  • Something in shot to show the size

Send us a photo of the damage and a wider shot of the whole item, and tell us you’re in Castletown, and we will come back with a fixed quote.

About Castletown

Castletown is about 5 miles east of Thurso, in Highland. We travel to clients in Castletown and nearby villages, so there’s no workshop to go to. Our repair technicians cover all 253 towns and villages across Highland, from the larger towns to small villages.

Here we cover the KW14 postcode area. Jobs here include addresses on Calder Square, Main Street and Traill Street. Other places close to Castletown include Murkle (2 miles west), Dunnet (3 miles north-east), Brough (4 miles north), Bower (4 miles south-east) and Thurso (5 miles west). For island and remote addresses, call first so we can plan the visit.

What’s near Castletown

Locally, our jobs take us to homes close to St Trothan's Church and the streets around them. Further afield, we also cover the area around Thurso Castle (4.4 miles west) and Dunbar Hospital (5.5 miles west). The countryside around Castletown includes St John's Loch.

Map of Castletown © OpenStreetMap contributors

What we are called out for in Castletown

uPVC is tough but not indestructible: ladders and building work leave scratches and chips, candles and cigarettes burn sills, and removed fittings leave holes.

Customers generally contact us about:

  • Damage during building work
  • Chips and dents
  • Holes from removed fittings and alarms
  • Burns on sills

What your quote should include

  • How changes to the job are handled
  • Aftercare advice
  • When it can be used again
  • What prep work is covered

10 questions to ask before booking

Common questions in Castletown

Do I need to be at home?

We need someone to let us in. You don’t need to watch us work.

Can landlords book you?

We do, regularly. We quote for multiple addresses and fit around tenancy changeovers.

How do I get a price for uPVC repair in Castletown?

Repairs from £95. The exact price depends on the damage, so we quote from pictures. You know the full cost before anything is booked.

What do you need from me?

Some pictures, your postcode and how to reach you. On the day, we only need access to the room.

Will the price change on the day?

The price is fixed for what the photos show. Anything extra is discussed before we begin.

Do you repair coloured uPVC?

Yes. Colour and grain are matched by hand.

How quickly can you book me in?

That depends on our diary for your area. We’ll offer you dates when we send your quote.

Is it messy?

Dust sheets and masking go down before we start, and tidy up before we leave.

DIY repairs versus a professional job

A DIY attempt isn’t a disaster. We take the old repair out and do it properly, so it doesn’t stop a professional repair. It does add a little time, so tell us about it when you send photos.

What a professional repair adds is preparation, colour matching and finishing. We prepare the area properly, mix the colour on site and polish the finish to match, then guarantee it for a year.

What we do, step by step

We begin by going over the job with you, so there are no surprises. After that, protection goes down around the work area and the work begins. You can expect it to take a morning or an afternoon, and we will tell you if anything changes.

  1. First the frame or panel is cleaned.
  2. Scratches, chips and holes are filled.
  3. The repair is sanded smooth.
  4. We match the colour, including woodgrain finishes.
  5. The repair is blended into the surface around it.

Preparing for the visit

  • Tell us about any previous repairs or coatings
  • Clear the area around the damage
  • Avoid using the area for a few hours before we arrive

Getting a price

To get a price, send a couple of photos using our quote form or ring us. We will tell you honestly if a repair is the right fix.

Get a fixed quote

Related advice

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