Swallowtail Close Thornbury, South Gloucestershire
13 addresses across 1 postcode (BS35), about 70 m long, classed as a local road. USRN 48096180.
- Sales: 7 recorded sales since 1995; in 2019 the median was £450,000 across 1 sale.
- Energy: 12 homes have an energy certificate (B: 12).
- Flood: No address on its postcodes is in an area at high or medium risk of flooding from rivers, the sea or surface water.
- Council tax: Most homes around it are in council tax band E; Band D in South Gloucestershire costs £2,551 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Pilning, about 10.3 km (6.4 miles) away in a straight line.
- Green space: The nearest park or garden is about 250 m away.
- Air: Background air pollution in 2024 was 6.7 µg/m³ of nitrogen dioxide and 6.0 of PM2.5, within UK legal limits.
- Height: Its addresses are 22 to 25 m above sea level.
- Noise: 1 of its 13 addresses is modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Severn View Family Practice, about 880 m (0.5 miles) away, with 2 practices within 1.6 km (1 mile).
- People: About 380 people lived in the census areas around it in 2021; 68% of households owned their home and 48% of adults held a degree or other higher qualification.
- Crime: 72 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2019 | 1 | £450,000 | £450,000 | £450,000 |
| 2018 | 6 | £474,995 | £370,000 | £510,995 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 6 Dec 2019 | 2 BS35 1FL | Detached | £450,000 | |
| 30 Nov 2018 | 3 BS35 1FL | Detached | £399,995 | New build. |
| 31 Oct 2018 | 1 BS35 1FL | Detached | £370,000 | New build. |
| 20 Oct 2018 | 9 BS35 1FL | Detached | £510,995 | New build. |
| 19 Oct 2018 | 5 BS35 1FL | Detached | £479,995 | New build. |
| 28 Sep 2018 | 7 BS35 1FL | Detached | £474,995 | New build. |
| 21 Sep 2018 | 2 BS35 1FL | Detached | £474,995 | New build. |
Energy performance certificates
12 homes with a current certificate; median floor area 120 m². Most common: House, detached (6); House, semi-detached (2); Flat (2). Built: 2018 (12).
Each home's certificates and sales (12 addresses)
- 1, Swallowtail Close, Thornbury
- 2, Swallowtail Close, Thornbury
- 3, Swallowtail Close, Thornbury
- 4, Swallowtail Close, Thornbury
- 5, Swallowtail Close, Thornbury
- 6, Swallowtail Close, Thornbury
- 7, Swallowtail Close, Thornbury
- 8, Swallowtail Close, Thornbury
- 9, Swallowtail Close, Thornbury
- 10, Swallowtail Close, Thornbury
- 12, Swallowtail Close, Thornbury
- 14, Swallowtail Close, Thornbury
Council tax
What each band costs in South Gloucestershire in 2026-27: Band D £2,551 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,700 | £1,984 | £2,267 | £2,551 | £3,117 | £3,684 | £4,251 | £5,101 |
Homes by band in the neighbourhood around this street: most are in band E (23% of about 1,140 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: in a protected area: 95, 0866.
- Green belt: no.
Brownfield land registered for housing within 1 km (0.6 miles)
- 3 Alexandra Way Thornbury BS35 1LA: up to 30 homes, not permissioned (530 m (0.3 miles))
Roadworks
No street works under way, planned or finished in the last three months on this street, in permits up to 31 October 2026.
Flood risk
No address in this street's postcodes is in an area at high, medium or low risk of flooding from rivers, the sea or surface water. The rest are in areas at very low risk: less than a 0.1% (1 in 1,000) chance a year.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The street's 13 addresses are between 22 m and 25 m above sea level (23 m on average).
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| BS35 1FL | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Pilning 290 journeys in 2024–25 | 10.3 km (6.4 miles) |
| Lydney 194,000 journeys in 2024–25 | 10.4 km (6.5 miles) | |
| Yate 360,000 journeys in 2024–25 | 10.8 km (6.7 miles) | |
| Bus stops | 12 stops within 400 m (0.2 miles), 30 within 800 m (0.5 miles); nearest Speckled Wood Road Thornbury | 70 m |
| Ferry terminal | Lydney Harbour | 10 km (6.2 miles) |
| EV charging points | 1 within 1.6 km (1 mile); nearest Rock Street Car park - Thornbury GeniePoint | 1.5 km (0.9 miles) |
| Airport with scheduled flights | Bristol Airport BRS | 29.8 km (19 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km (1 mile); nearest Severn View Family Practice | 880 m (0.5 miles) |
| Pharmacies | 3 pharmacies within 1.6 km (1 mile); nearest Cohens Chemist | 940 m (0.6 miles) |
| NHS dentists | 1 practices within 1.6 km (1 mile); nearest Bank Cottage Dental Practice | 1.3 km (0.8 miles) |
| Hospital | Thornbury Hospital | 1 km (0.6 miles) |
| Police station | Patchway Police Centre | 11.1 km (6.9 miles) |
| Cash machines | Your Local, Thornbury Cashzone | 1.3 km (0.8 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 6 within 800 m (0.5 miles); nearest Unnamed 4,840 m² | 250 m |
| Largest park within 800 m (0.5 miles) | Unnamed 2.5 ha | 290 m |
| Play area | 7 within 800 m (0.5 miles); nearest The Orchards Play Area 850 m² | 110 m |
| Playing field | Unnamed 3.3 ha | 1 km (0.6 miles) |
| Allotments | 1 within 800 m (0.5 miles); nearest Unnamed 1,210 m² | 130 m |
Within 800 m (0.5 miles): 6 parks and gardens, 6.8 hectares in all.
Landmarks
The nearest historic landmark is Medieval fishponds 125m south of Park Farm, Thornbury, a scheduled monument, 400 m (0.2 miles) south-west. 13 listed buildings are within 1 km (0.6 miles), 1 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Medieval fishponds 125m south of Park Farm, Thornbury | Scheduled monument | 400 m (0.2 miles) south-west |
| Morton Grange | Listed building, Grade II* | 790 m (0.5 miles) east |
| The buried remains of the medieval fortified house and the C16 privy garden at Thornbury Castle | Scheduled monument | 1 km (0.6 miles) south-west |
| Thornbury Castle | Registered park or garden, Grade II | 1.1 km (0.7 miles) south-west |
| Name | What it is | From the middle of the street |
|---|---|---|
| Pit Pool | Lake or reservoir | 820 m (0.5 miles) east |
| Parkmill Covert | Wood | 1.3 km (0.8 miles) west |
| Conygre Covert | Wood | 1.5 km (0.9 miles) south-west |
| Henridge Hill | Hill | 1.5 km (0.9 miles) north |
| The Gully | Valley | 2 km (1.3 miles) south-west |
| Oldbury Pill | Tidal water | 4.3 km (2.7 miles) west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 6.7 | 40 | 10 |
| Fine particles (PM2.5) | 6.0 | 20 | 5 |
| Particles (PM10) | 9.8 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 1 | 0 |
| Under 55 | 12 | 13 |
1 of the street's 13 addresses is modelled at 55 dB or more from road traffic, above the WHO guidelines.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for South Gloucestershire: see them on the South Gloucestershire page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Manorbrook Primary School | Primary | 4–11 | 540 m (0.3 miles) | No published inspection |
| The Castle School | Secondary | 11–18 | 680 m (0.4 miles) | Report card (Mar 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Post-16 provision: Expected standard; Safeguarding standards: Met |
| Christ The King Catholic Primary School, Thornbury Roman Catholic | Primary | 4–11 | 1.1 km (0.7 miles) | Good (May 2022, overall grade under the previous framework) |
| St Mary's Church of England Primary School, Thornbury | Primary | 4–11 | 1.1 km (0.7 miles) | No overall grade (Apr 2025, graded inspection without an overall judgement): Quality of education: Requires improvement; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Requires improvement |
| Crossways Junior School | Primary | 7–11 | 1.4 km (0.9 miles) | Good (Jun 2024, overall grade under the previous framework) |
| Crossways Infant School | Primary | 5–7 | 1.4 km (0.9 miles) | Requires improvement (Oct 2023, overall grade under the previous framework) |
| Gillingstool Primary School | Primary | 4–11 | 1.5 km (0.9 miles) | Good (Jul 2022, overall grade under the previous framework) |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| The Anchor Inn BS35 1JY | Pub/bar/nightclub | 500 m (0.3 miles) | 5 Very good | 12 Feb 2026 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 36 |
| Anti-social behaviour | 12 |
| Public order | 11 |
| Other crime | 5 |
| Criminal damage and arson | 4 |
| Vehicle crime | 2 |
| Other theft | 1 |
| Burglary | 1 |
Most of these are attached to: On or near Meadow Brown Close (13); On or near Peacock Road (13); On or near Hay Fields (11); On or near Marbled White Close (11); On or near Paddock Road (6).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 33 | 40 |
| Children under 15 | 30% | 17% |
| Aged 65 and over | 6% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 68% | 61% |
| Owned outright | 15% | 33% |
| Shared ownership | 6% | 1% |
| Social rented | 21% | 17% |
| Private rented | 5% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 73% | 57% |
| Unemployment (of those working or looking for work) | 2% | 6% |
| Retired (of adults) | 12% | 22% |
| Long-term sick or disabled (of adults) | 5% | 4% |
| Work mainly from home (of those in work) | 48% | 32% |
| Travel to work by car or van | 48% | 48% |
| By train, Underground, metro or tram | 0% | 4% |
| By any public transport, including bus | 1% | 8% |
| On foot or by bicycle | 2% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 28% | 65% |
| Work 30 km (19 miles) or more away | 6% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 48% | 34% |
| No qualifications | 8% | 18% |
| Apprenticeship as highest qualification | 5% | 5% |
| Main language English (aged 3 and over) | 97% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this street is in decile 5 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
What has changed
Nothing new since the change feed started on 30 October 2026. New sales and energy certificates, and hygiene ratings, school inspections and flood figures nearby, will be listed here as the sources update.
Postcodes on this street
- BS35 1FL: 13 addresses of 14 in the postcode
Nearby streets
Speckled Wood Road · Purple Emperor Road · Meadow Brown Close · Corn Rows · Red Admiral Way · Marbled White Close · Hay Fields · Dyrham Close · Peacock Road · Parkland Way · Paddock Road · Ringtail Gardens
All the streets in BS35 and across South Gloucestershire.
What this page cannot tell you
- Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
- What a home is worth now: sales are historic prices for the homes that happened to sell.
- How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
- Whether you would get a place at a school: distances are straight lines, not catchments.
- Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
- How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
- Whether a GP practice is taking new patients, or a dentist new NHS patients.
- How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.
How each figure on this page is matched to the street and worked out: methodology.