🏗️ Is full fibre standard in new builds?
✅ Fibre installed during construction
✅ Copper phone lines may not exist
✅ Full fibre (FTTP) is the default infrastructure
⚠️ Not all developers use Openreach
⚠️ Some partner exclusively with an Alt-Net
⚠️ Choice can vary between plots in same development
Always check availability by full postcode and house number.
🔌 Who provides fibre in new builds?
BT • Sky • TalkTalk • Plusnet • EE
✅ Wide national coverage
✅ TV bundles available
CityFibre • Hyperoptic • Community Fibre • Gigaclear
✅ Install fibre in new developments because it's cheaper and faster during construction
📶 Speed comparison for new builds
| Speed Tier | Typical Use |
|---|---|
| 100–150 Mbps | Small households |
| 300 Mbps | Families |
| 500 Mbps | Heavy users |
| 900–1,000 Mbps | Gigabit-ready homes |
Because infrastructure is new, high speeds are often widely available.
If your development is served by an Alt-Net, you may have:
Mbps symmetrical
Mbps symmetrical
Compared to some Openreach-based gigabit plans (which may offer ~100 Mbps upload), symmetrical fibre can be a major advantage for:
👥 What speed do you actually need?
👤 1–2 People
enough👨👩👧 Family of Four
stable🎮 Heavy Gaming & Streaming
ideal🏡 Smart Home + Remote Work
recommended🔧 Installation in new builds
✅ Fibre cable already installed
✅ Fibre box (ONT) may be pre-fitted
✅ Activation quicker than older homes
⏱️ 5-14 days activation time
⚠️ Infrastructure installed but not activated
⚠️ Limited provider choice initially
⚠️ Delays connecting new plots
⚠️ Postcode not yet recognised by systems
If your address doesn't appear online yet, you may need to:
💰 Pricing for new build full fibre (2026 typical)
| Speed | Typical Monthly Cost |
|---|---|
| 150 Mbps | £25–£32 |
| 300 Mbps | £28–£35 |
| 500 Mbps | £32–£40 |
| 1Gbps | £35–£45 |
In competitive areas, gigabit may cost only £5–£10 more than 300 Mbps. Always compare total contract cost.
📝 Contract length considerations
Flexible
if unsureBalance
Cheapest monthly
best valueCheck early termination fees
⚔️ Openreach vs Alt-Net in new builds
Choose if:
✅ You want TV bundles
✅ Prefer major national brands
✅ Alt-Net not available
Choose if:
✅ You want symmetrical upload speeds
✅ Gigabit pricing is cheaper
✅ Strong local reputation
In new builds, infrastructure often matters more than brand.
Openreach-based: £42/month
Upload ~100 Mbps
Alt-Net: £35/month
Upload 1,000 Mbps
£168 saved over 24 months + 10x faster upload
Always compare both speed and cost.
❓ Frequently asked questions
Is full fibre guaranteed in new builds?
In most modern developments, yes — but always check.
Can I choose any provider?
Only those operating on the network installed at your property.
Is gigabit worth it in a new build?
For most homes, 150–300 Mbps is sufficient.
Why is my postcode not recognised?
New addresses may take time to register in provider systems.
We help you:
✅ Check all networks serving your new address
✅ Compare symmetrical vs asymmetrical fibre
✅ Review total contract cost
✅ Compare speed tiers clearly
We focus on infrastructure first — because in new builds, that determines everything.
ready to compare broadband for your new build?
If you're moving into a new development, you may have access to some of the fastest fibre in the UK.
Comparing providers now could secure the best value before you move in.
Find the Best Full Fibre in Your Postcode
© Utility King 2026 · Broadband Comparison for New Builds · UK guide