Retainers in The Knap at a Glance
| Nearest practice listing retainers | Advance Dental Care, Barry — 1.8 miles; 6 within 10 miles |
|---|---|
| Nearest practice with emergency care | None within 30 miles on our register |
| Nearest practice open evenings or weekends | Holton Dental Centre, Barry — under a mile; 7 within 10 miles |
| Residents under 16 | 20.8% (Census 2021) |
| Aged 10 to 15 locally | 5.8% of 1,759 residents, the main age band for NHS orthodontic treatment |
| Practices on our register | 4 within 5 miles, 19 within 10, 53 within 20 |
| Area type (ONS) | Urban: Further from a major town or city |
| Deprivation | Less deprived than most of Wales |
| Households without a car | 11.8% in the surrounding census area (Census 2021) |
| Residents per square kilometre | 2,726 in the surrounding census area (Census 2021) |
Sources: Census 2021 (NOMIS), DfE Get Information About Schools, ONS geography, UK NHS dental charge schedules and our orthodontic practice register. Distances are straight-line.
Practices near The Knap listing retainers
On our practice register: 4 practices within 5 miles of The Knap, 19 practices within 10 and 53 practices within 20. The closest is Holton Dental Centre in Barry, 0.6 miles north. The nearest listing retainers is Advance Dental Care, 1.8 miles north.
| Practice | Distance | Retainers | Emergency care | Evenings or weekends | Google rating |
|---|---|---|---|---|---|
| Advance Dental CareBarry | 1.8 miles north | ✓ | – | ✓ | 5.0 (278 reviews) |
| Wellwood Dentistry & AestheticsPenarth | 5.7 miles north-east | ✓ | – | ✓ | 4.7 (31 reviews) |
| Perlau Gwyn Dental Care & Facial AestheticsCardiff | 7.8 miles north-east | ✓ | – | ✓ | 4.8 (59 reviews) |
| Andrew Thomas Dental CareCardiff | 8.4 miles north-east | ✓ | – | ✓ | 5.0 (76 reviews) |
| Cowbridge Dental SpecialistsCowbridge | 8.6 miles north-west | ✓ | – | – | 4.9 (40 reviews) |
| Birchgrove Dental PracticeCardiff | 9.2 miles north-east | ✓ | – | – | 5.0 (294 reviews) |
✓ listed in the practice's own information; – not mentioned, which doesn't mean not offered. Straight-line distances.
Nearest places to The Knap with practices listing retainers
The closest town with practices listing retainers is Barry, 1.8 miles north; the next are Penarth (5.7 miles north-east) and Cardiff (7.8 miles north-east).
| Place | Practices | Nearest |
|---|---|---|
| Barry | 1 | 1.8 miles north |
| Penarth | 1 | 5.7 miles north-east |
| Cardiff | 4 | 7.8 miles north-east |
| Cowbridge | 1 | 8.6 miles north-west |
| Rhiwbina | 2 | 10.3 miles north-east |
Counted from the practices on our register around this place, nearest first. Straight-line distances.
Best-reviewed practices within 20 miles of The Knap
Of the practices within 20 miles with at least 10 Google reviews, the highest rated is Birchgrove Dental Practice in Cardiff (5.0 from 294 reviews), 9.2 miles north-east.
| Practice | Google rating | Distance |
|---|---|---|
| Birchgrove Dental PracticeCardiff | 5.0 (294 reviews) | 9.2 miles north-east |
| Advance Dental CareBarry | 5.0 (278 reviews) | 1.8 miles north |
| Andrew Thomas Dental CareCardiff | 5.0 (76 reviews) | 8.4 miles north-east |
| Cowbridge Dental SpecialistsCowbridge | 4.9 (40 reviews) | 8.6 miles north-west |
Ratings are each practice's public Google review average and say nothing about clinical quality. Straight-line distances.
Retainers near The Knap
| What you may need | Look for | Nearest listing it | Next nearest | Within 20 miles |
|---|---|---|---|---|
| Retainers | retainers | Advance Dental Care, Barry (1.8 miles) | Wellwood Dentistry & Aesthetics (5.7 miles); Perlau Gwyn Dental Care & Facial Aesthetics (7.8 miles) | 9 |
| Urgent repairs | emergency care | not mentioned nearby | none other | 0 |
| Visits outside working hours | evening or weekend opening | Holton Dental Centre, Barry (under a mile) | The Waterfront Dental Surgery (1.3 miles); Advance Dental Care (1.8 miles) | 9 |
| A fresh scan for a new retainer | digital scanning | Wellwood Dentistry & Aesthetics, Penarth (5.7 miles) | Andrew Thomas Dental Care (8.4 miles); Cowbridge Dental Specialists (8.6 miles) | 5 |
Built from what each practice's own published information mentions, so a missing entry means not mentioned, which does not mean not offered. Straight-line distances.
Retention is a lifelong commitment, not a short-term measure many patients expect. During the months of remodelling, retainers hold the teeth precisely where treatment left them. Any orthodontic practice in The Knap can fit, replace or repair them if you need it.
Retainer Services in The Knap
Not every practice near The Knap offers the same treatments, so it's worth checking what each one covers. The Knap is classified as urban: Further from a major town or city. NHS dental commissioning in The Knap falls under Cardiff and Vale University Health Board. Census figures show 20.8% of the local population is under 16. In the census neighbourhood around The Knap, 5.8% of the 1,759 residents are aged 10 to 15, below the 7.1% average across Vale of Glamorgan, the age band in which most NHS orthodontic treatment begins. The Knap has 4 orthodontic practices within five miles, more than 79% of towns in Wales. National deprivation data ranks The Knap among Wales's less deprived areas. Complex cases can be referred to a hospital orthodontic department; the nearest university dental hospital to The Knap is University Dental Hospital of Cardiff in Cardiff, about 9 miles away. See local practice availability in The Knap → They typically offer retainer fitting, replacement, and emergency repair appointments.
Private replacement Essix retainers (per arch) costs in The Knap generally sit between £80 and £150. Most practices can fabricate a replacement from a new scan or impression within a few working days. If you have moved away from your original treating practice, any orthodontic or dental practice in The Knap can usually provide replacement retainers.
Which Retainer Is Right for You in The Knap?
Fixed (bonded) retainers are thin wires bonded behind the front teeth — usually the lower six, sometimes the upper too. They're permanent, invisible from the front, and need no daily effort, though they require careful cleaning with floss threaders to keep the gum healthy.
Essix retainers are clear thermoplastic trays much like aligners, removed for eating and cleaning. They're discreet and comfortable but can warp with heat and typically need replacing every 1–3 years.
Hawley retainers are the classic removable retainer: robust, adjustable, and long-lived, with the only real downside being that the front wire is visible when in.
Many orthodontists in The Knap now provide both a fixed wire for continuous protection and a removable Essix tray for overnight use, combining the strengths of each.
How Long Is Retention?
Modern practice is lifelong retention for removable retainers — daily wear at first, easing to nights only long-term. Stopping entirely, even years later, remains the commonest cause of teeth drifting back.
Fixed bonded retainers stay in place permanently unless they break, needing no daily decision — which makes them the most reliable long-term method.
Should your retainer feel tight after time away from it, that's early drift; see your orthodontist rather than forcing it back on. Acting quickly avoids a bigger, costlier correction later.
After Your Braces Come Off in The Knap
The end of active orthodontic treatment in The Knap is a milestone — but not the end of the process. Many patients are surprised how much goes into keeping teeth exactly where treatment left them. Getting aftercare right is what protects everything you've paid for.
Aftercare Services in The Knap
How quickly you can be seen, and what's on offer, varies between the practices serving The Knap. The Knap is classified as urban: Further from a major town or city. The Knap sits within Cardiff and Vale University Health Board for NHS dental commissioning. 20.8% of The Knap's residents are under 16, per the 2021 Census. Census 2021 counts 1,759 residents in the neighbourhood around The Knap, 5.8% of them aged 10 to 15, below the 7.1% average across Vale of Glamorgan. The Knap has 4 orthodontic practices within five miles, more than 79% of towns in Wales. By national deprivation ranking, The Knap sits among the less deprived areas of Wales. Complex cases can be referred to a hospital orthodontic department; the nearest university dental hospital to The Knap is University Dental Hospital of Cardiff in Cardiff, about 9 miles away. They typically offer post-treatment services including retainer fitting, replacement, and professional whitening.
Frequently Asked Questions — Retainers in The Knap
Where is the nearest orthodontist to The Knap?
On our register, the nearest orthodontic practice to The Knap is Holton Dental Centre in Barry, about 0.6 miles to the north. The next closest are The Waterfront Dental Surgery (1.3 miles) and Advance Dental Care (1.8 miles).
How many orthodontic practices are near The Knap?
Our register has 4 practices within 5 miles of The Knap, 19 practices within 10 miles and 53 practices within 20 miles.
Where can I get a retainer near The Knap?
The nearest practice to The Knap that lists retainers is Advance Dental Care in Barry, about 1.8 miles to the north. Others nearby include Wellwood Dentistry & Aesthetics (5.7 miles) and Perlau Gwyn Dental Care & Facial Aesthetics (7.8 miles).
Is The Knap a family area?
Census data puts 20.8% of The Knap's population at under 16.
Which NHS body covers The Knap for dental care?
The Knap sits within Cardiff and Vale University Health Board for NHS dental commissioning.
What kind of area is The Knap?
ONS classifies The Knap as urban: Further from a major town or city.
How deprived is The Knap compared with the rest of Wales?
By the national deprivation index, The Knap is less deprived than most of Wales. It doesn't affect NHS orthodontic eligibility, which is decided on clinical need alone.
What happens if my fixed retainer breaks?
If a bonded wire debonds from one tooth, get it repaired promptly — teeth can move quickly without the wire holding them. If the wire breaks entirely, treat it as an emergency appointment. Your orthodontist or any orthodontic practice can rebond or replace the wire. Do not leave a broken fixed retainer unaddressed.
Last updated: October 2026, compiled by the Virtual Consultant Online editorial team from our practice register and public data. Information is for educational purposes only and does not constitute clinical advice; it is not reviewed by a clinician. Sources: NHS, General Dental Council. How we compile our information.
Retainers Across Vale of Glamorgan
Explore retainers information for other towns and cities in Vale of Glamorgan — all with dedicated local pages and online assessment access: