| Postcode | OX11 6GA | 
|---|---|
| Post Town | Didcot | 
| Nearest station | Didcot Parkway (2 km) | 
| Bus stops | 
                       Boundary Park Pavilion (S) 
ASDA (SE) 
ASDA (N) 
Juniper Way (W) 
University Technical College (E) 
University Technical College (W) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 31 View | 
| Known addresses | 
                       1 Speedwell Arch, Harwell 
                            2 Speedwell Arch, Harwell 
                            3 Speedwell Arch, Harwell 
                            4 Speedwell Arch, Harwell 
                            5 Speedwell Arch, Harwell 
                            6 Speedwell Arch, Harwell 
                            7 Speedwell Arch, Harwell 
                            8 Speedwell Arch, Harwell 
                            9 Speedwell Arch, Harwell 
                            10 Speedwell Arch, Harwell 
                            11 Speedwell Arch, Harwell 
                            12 Speedwell Arch, Harwell 
                            14 Speedwell Arch, Harwell 
                            15 Speedwell Arch, Harwell 
                            17 Speedwell Arch, Harwell 
                            19 Speedwell Arch, Harwell 
                            21 Speedwell Arch, Harwell 
                            23 Speedwell Arch, Harwell 
                            26 Speedwell Arch, Harwell 
                            37 Speedwell Arch, Harwell 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.607393 | |
|---|---|---|
| Longitude | -1.27248 | |
| Easting | 450478 | |
| Northing | 190090 | |
| Grid reference | SU504900 | |
| UTM reference | 30U 619625 5718786 | |
| what3words | fuses.lines.health | |
| FixPhrase | crinkle macaroni scone unearned | |
| Plus code | 9C3WJP4H+X2 | |
| Altitude | 82 metres (270 feet) | |
| Sunrise (today) | 7:05 | |
| Sunset (today) | 16:34 | |
| Distance away | ||
| Distance to sea | 76.7 KMs (47.7 miles) | 
| Parish | Western Valley | E04013316 | 
|---|---|---|
| Ward | Blewbury & Harwell | E05011713 | 
| Local Authority District | Vale of White Horse | E07000180 | 
| Local Authority | Oxfordshire | E10000025 | 
| County | Oxfordshire | E10000025 | 
| Constituency (2024) | Didcot and Wantage | E14001197 | 
| MP | Olly Glover | Liberal Democrat | 
| Police force | Thames Valley | |
| Water company | Leep Utilities | |
| NUTS/ITL 3 | Oxfordshire CC | |
| NUTS/ITL 2 | Berkshire, Buckinghamshire and Oxfordshire | |
| NUTS/ITL 1 | South East | |
| Country | England | E92000001 | 
| Date introduced | January 2018 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
|---|---|---|
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Rural hamlet and isolated dwellings | |
| Built up area (2024) | Didcot | E63011891 | 
| Census output area (2021) | E00185994 | |
| Census output area (2011) | 1A4 | |
| Lower layer super output area (2021) | Vale of White Horse 015I | E01035761 | 
| Lower layer super output area (2011) | Vale of White Horse 015B | E01028727 | 
| Middle layer super output area (2021) | South Wantage, Harwell & Blewbury | E02005992 | 
| Middle layer super output area (2011) | South Wantage, Harwell & Blewbury | E02005992 | 
| Travel to work area | Oxford | E30000250 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 15 Speedwell Arch, Harwell | Detached (freehold) | Jul 2025 | £400,000 | 
| New build detached (freehold) | Apr 2018 | £340,000 | |
| 10 Speedwell Arch, Harwell | Detached (freehold) | Jul 2025 | £450,000 | 
| New build detached (freehold) | Jun 2018 | £380,000 | |
| 5 Speedwell Arch, Harwell | Terraced (freehold) | May 2024 | £299,000 | 
| Terraced (freehold) | Feb 2023 | £285,000 | |
| New build terraced (freehold) | Dec 2017 | £290,000 | |
| 8 Speedwell Arch, Harwell | Detached (freehold) | Jul 2023 | £390,000 | 
| New build detached (freehold) | Aug 2018 | £330,000 | |
| 9 Speedwell Arch, Harwell | Terraced (freehold) | Nov 2022 | £327,000 | 
| New build terraced (freehold) | Feb 2018 | £295,000 | |
| 23 Speedwell Arch, Harwell | New build terraced (leasehold) | Jun 2019 | £183,000 | 
| 21 Speedwell Arch, Harwell | New build detached (freehold) | May 2019 | £350,000 | 
| 37 Speedwell Arch, Harwell | New build semi-detached (freehold) | Mar 2019 | £305,000 | 
| 14 Speedwell Arch, Harwell | New build detached (freehold) | Sep 2018 | £385,000 | 
| 19 Speedwell Arch, Harwell | New build semi-detached (freehold) | Jun 2018 | £335,000 |