Our analysis of 2026 regional data suggests Brighton sits around 15% above the UK average, which points to roughly £460-£1,150 per window fitted and £4,600-£11,500 for a typical 3-bed. That adjustment comes from one modelled study (ExpertSure 2026), so treat it as an approximate guide rather than hard fact, and anchor back to the national picture on our cost by house size guide and the cost by UK region table.
How Brighton compares with the national average
The national, fully fitted figures are the baseline: a typical uPVC casement runs £400 to £1,000 per window, and a mid-terrace or 3-bed runs £4,000 to £10,000. The South East adjustment of +15% applies to both. We present it as approximate because it derives from a single modelled study rather than a survey of Brighton quotes.
| Measure | UK national | Brighton (+15%) |
|---|---|---|
| Per window (fitted casement) | £400–£1,000 | £460-£1,150 |
| Typical 3-bed | £4,000–£10,000 | £4,600-£11,500 |
| Modelled adjustment | Baseline | +15% |
National figures from the DGCC 2026 dataset. Regional adjustment modelled (ExpertSure 2026); presented as an approximate guide.
What each window style costs in Brighton
The figures above are for a standard casement, the most common window in UK homes. Style moves the price more than anything except frame material: a sash costs about half as much again as a casement, and a bay is priced per bay rather than per window. Here is the full range at Brighton prices.
| Window style | UK national | Brighton (+15%) | Best for |
|---|---|---|---|
| Casement | £400–£1,000 | £460–£1,150 | The default for most UK homes |
| Sash | £600–£1,500 | £690–£1,720 | Period and conservation properties |
| Tilt & Turn | £500–£1,200 | £580–£1,380 | Flats and upper floors |
| Bay | £1,250–£3,000 | £1,440–£3,450 | Priced per bay, not per window |
| Fixed | £300–£760 | £350–£870 | Non-opening, the cheapest option |
National figures from the DGCC 2026 price table. Brighton column is the national figure adjusted by +15%, the modelled South East position (ExpertSure 2026), rounded to £10. Bay windows are priced per bay.
Three worked examples by house type
These take the national house-size figures and apply the modelled South East uplift of around 15%. They are illustrative, not quotes.
Flat (around 4 windows)
A national flat runs about £1,800 to £5,000 fully fitted, so Brighton points to roughly £2,070 to £5,750. On a seafront conversion, access is frequently the swing factor.
Mid-terrace or 3-bed (around 8 to 10 windows)
Against the national £4,000 to £10,000, a Brighton 3-bed lands at roughly £4,600-£11,500 for standard uPVC.
Semi-detached (around 10 to 12 windows)
A national semi sits at £5,000 to £12,000, which points to around £5,750 to £13,800 in Brighton, depending on window count and whether scaffolding is needed.
Coastal exposure and what it changes
Brighton sits on an exposed south-coast front, and the 2026 research names coastal exposure and local labour demand as the price factors along this stretch of the South East. It does not attach a number to either, so we are not going to invent one. What can be said usefully is where the exposure lands: on the hardware and the seals rather than on the frame or the glass, because those are the components that take the salt.
The practical version is to treat hardware specification as a priced line rather than a detail, and to read the guarantee wording on coastal properties before you sign. Frame material is the other lever: aluminium against uPVC is a genuine decision on an exposed elevation, and our aftercare guide covers what maintenance actually keeps a coastal installation working.
A note on how firm the Brighton figure is
The 2026 research carries a sourced multiplier for the South East as a region, but no Brighton-specific price figure. The numbers on this page are therefore the regional adjustment applied to the national baseline. That is a reasonable expectation to walk in with, and it is not a measurement of Brighton quotes, so weight your own three accordingly.
On the coast the specification matters more than it does inland. Salt air is hard on hardware, and the hinges and handles are what fail first on an exposed elevation, not the frame or the glass. Ask what the hardware is rated for and what the guarantee says about coastal properties, because plenty of guarantees quietly exclude them.
Double Glazing Cost Calculator Team
Getting an accurate Brighton price
Because the Brighton figure rests on a regional multiplier from one modelled source, use it to set expectations, then get at least three written quotes from FENSA or CERTASS registered installers. For context, the South East is the second most expensive region in this dataset: only London at around 20% above average sits higher, and Brighton is well clear of Birmingham on the national benchmark and Manchester at around 7% below. Every city sits on the Double Glazing Costs by UK Region hub. To price the windows themselves, the uPVC window calculator gives a per-window estimate you can adjust for Brighton, and the aluminium window calculator is worth running alongside it on an exposed elevation.
Get quotes from Brighton installers
The figures above are a benchmark. For prices on your actual windows, tell us what you need and Leads 2 Trade will arrange quotes from installers covering Brighton.
One thing worth asking every installer who quotes. What the hardware is rated for on a coastal property, and whether the guarantee treats seafront exposure differently from inland. It is the line most likely to separate two Brighton quotes that otherwise look identical.
Frequently asked questions
Our analysis of 2026 regional data suggests Brighton sits around 15% above the UK average, which works out at roughly £460 to £1,150 per window fitted and £4,600 to £11,500 for a typical 3-bed. These figures apply the South East regional adjustment to the national baseline, so treat them as a guide and get three local quotes.
The South East is the second most expensive region in the 2026 modelled data at about 15% above the national average, behind only London. Higher labour rates and strong local demand are the stated drivers along this part of the coast.
It changes the specification more than the price band. Salt air is hardest on hardware and seals rather than on frames or glass, so hinges, handles and the guarantee wording matter more than they would inland. Ask what the hardware is rated for and whether the guarantee covers coastal properties.
No. The research carries a sourced multiplier for the South East but no Brighton-specific price figure, so these numbers are the regional adjustment applied to the national baseline. Use them to set expectations, then get at least three written quotes for your actual property.